CN110017543A

CN110017543A - Air conditioner, cleaning control method and computer readable storage medium

Info

Publication number: CN110017543A
Application number: CN201910310622.7A
Authority: CN
Inventors: 鲁健; 黄延聪
Original assignee: Midea Group Co Ltd; Guangdong Midea Refrigeration Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2019-07-16

Abstract

The present invention provides a kind of air conditioner, cleaning control method and computer readable storage mediums, wherein air conditioner includes: air-conditioner shell, and correspondence offers air inlet and multiple air outlets on air-conditioner shell；Multiple fan assemblies are arranged close to multiple air outlets, including the first fan assembly and the second fan assembly；Evaporator, it is arranged close to air inlet, including the first evaporation module arranged side by side from top to bottom and the second evaporation module, first evaporation module is correspondingly arranged with the first fan assembly, second evaporation module is correspondingly arranged with the second fan assembly, in air conditioner operational process, reduce the cold medium flux of the first evaporation module by control, frosting after making into the air-flow of air-conditioner shell and the heat exchange of the first heat exchange module, the cold medium flux that control increases the first evaporation module carries out defrost, to generate the condensed fluid of cleaning evaporator.According to the technical solution of the present invention, the cleaning to evaporator can be realized while carrying out refrigerating operation.

Description

Air conditioner, cleaning control method and computer readable storage medium

Technical field

The present invention relates to air-conditioning technical fields, in particular to a kind of air conditioner, a kind of cleaning control method and one kind Computer readable storage medium.

Background technique

In the related technology, by being internally provided with cross flow fan or centrifugal blower in air conditioner, cooperate in air conditioner The air outlet opened up on cabinet body is realized blows to outside, and in the process of running, there are still following defects:

Due to air outlet quantity only one can only when needing to be implemented the clean operation to indoor evaporator Enough revolving speeds realized by reducing the revolving speed of blower, and reduce blower will lead to refrigeration effect reduction, make the refrigeration of user Demand is affected.

Summary of the invention

The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.

For this purpose, it is an object of the present invention to provide a kind of air conditioners.

It is another object of the present invention to provide a kind of cleaning control methods.

It is another object of the present invention to provide a kind of computer readable storage mediums.

To achieve the goals above, according to the embodiment of the first aspect of the invention, a kind of air conditioner is provided, comprising: Air-conditioner shell, correspondence offers air inlet and multiple air outlets on the air-conditioner shell；Multiple fan assemblies, close to described Multiple air outlet settings, including the first fan assembly and the second fan assembly；Evaporator is arranged close to the air inlet, including First evaporation module arranged side by side from top to bottom and the second evaporation module, the first evaporation module and first blower fan group Part is correspondingly arranged, and the second evaporation module is correspondingly arranged with second fan assembly, wherein was run in the air conditioner Cheng Zhong reduces the cold medium flux of the first evaporation module by control and/or control reduces turning for first fan assembly Speed, with the frosting on first heat exchange module, after frosting, control increase it is described first evaporation module cold medium flux and/ Or control increases the revolving speed progress defrost of first fan assembly, to generate the condensed fluid for cleaning the evaporator.

In the technical scheme, air inlet is opened up on the rear side panel of air-conditioner shell, on front panel along longitudinal direction Multiple air outlets are opened up, evaporator and multiple groups fan assembly are set gradually between air inlet and air outlet, wherein multiple groups blower Component is correspondingly arranged one by one with multiple air outlets, and to be driven by fan assembly from corresponding air outlet, evaporator includes Multiple heat exchange modules, multiple heat exchange modules are correspondingly arranged with multiple groups fan assembly one by one again, to form multiple groups heat exchange module-blower Component-air outlet fit module, so that a plurality of parallel exhaust air flue is realized, further, by the first heat exchange module Refrigerant input branch road setting expansion valve, to adjust the evaporating pressure of the first heat exchange module by the aperture of variable expansion valve, To realize by the air-flow of the first heat exchange module through heat exchange liquefaction, liquid after liquefaction by evaporator downwardly During flowing, the dirt of evaporator surface can be washed away, and then realize the cleaning to evaporator.

Also, by the setting of a plurality of parallel exhaust air flue, the exhaust air flue of topmost will be changed with the first heat exchange module The export of remaining fraction, other exhaust air flues can normally execute refrigeration outlet air after heat, so as to realize refrigeration with it is clear It is clean it is synchronous execute, and by the setting of multiple air outlets, air-out volume can be increased relative to an air outlet, and only set The air conditioner for setting an air outlet is compared, and will not influence refrigeration effect because of the execution of clean operation.

In addition, every group of fan assembly is constructed using at least one axial flow blower, axial flow blower and perfusion blower or centrifugation wind Machine is compared, while being conducive to increase air supplying distance, additionally it is possible to reduce running noises, and using axial flow blower and two sides Evaporator and air outlet cooperate, and can be realized straight line outlet air, are also beneficial to promote the cycle efficieny of air-flow.

In the above-mentioned technical solutions, optionally, controller is electrically connected between the multiple fan assembly respectively；It is described The inlet flow road of first evaporation module is provided with the first electric expansion valve, and the inlet flow road of the second evaporation module is arranged There is the second electric expansion valve, first electric expansion valve and second electric expansion valve are electric between the controller respectively Connection, wherein the aperture of first electric expansion valve is reduced by controller control and/or increases second electronics The aperture of expansion valve reduces the cold medium flux of the first evaporation module, so that the first evaporation Modular surface frosting.

In any of the above-described technical solution, optionally, the controller is also used to: in the evaporator surface frosting Afterwards, control increases the aperture of first electric expansion valve, to form liquid by defrosting operation.

In the technical scheme, by the way that evaporator to be at least divided into the evaporation module of two independent control refrigerants input, To form multiple independent refrigerant control flow paths, electric expansion valve is respectively set in different refrigerant control flow paths, by making not Same electric expansion valve has different apertures, has different evaporating pressures in corresponding evaporation module, the first of top Evaporating module has lesser evaporating pressure, cooperates the lower revolving speed of corresponding first fan assembly, can be realized evaporation mold The frosting of block surface further realizes surface defrost, the liquid that defrost obtains is realized after flowing through evaporator surface by increasing aperture To the cleaning action of evaporator.

Before executing clean operation, the first electric expansion valve in the first evaporation module evaporates the in module with second Two electric expansion valves aperture having the same under the premise of the running frequency of compressor is constant, is led to when executing clean operation The aperture for reducing the first electric expansion valve is crossed, or increases the aperture of the second electric expansion valve, reduces the evaporation of the first evaporation module Pressure realizes heat exchange frosting.

Or it is out of service by the revolving speed or the first fan assembly of control of the first fan assembly of reduction, it also may be implemented first Evaporate Modular surface frosting.

Multiple air outlets include upper air outlet and lower air outlet, and upper air outlet is used to clean the air-flow export after heat exchange, Lower air outlet is for air-supply of freezing, and in order to promote the production quantity of liquid, controls blower corresponding with upper air outlet with lower turn Speed operation is controlled corresponding with lower air outlet blower and run with higher revolving speed, i.e., the air-supply wind speed of upper air outlet less than it is lower out The air-supply wind speed in air port, in order to realize the wind speed relationship, can following air outlet be correspondingly arranged counter-rotating fan, it is corresponding in upper air outlet One axial flow blower is set, counter-rotating fan can also be respectively provided in lower air outlet and upper air outlet, but control upper air outlet Counter-rotating fan is run with lower gear, so as to pass through the corresponding blower of the upper air outlet that opens up and lower air outlet, cooperation Component and the first heat exchange module and lower part heat exchange module for being provided with expansion valve realize cleaning and the interior mechanism cold of evaporator Synchronously control execute, to promote the comfort of user experience.

In any of the above-described technical solution, optionally, the multiple air outlet includes upper air outlet and lower air outlet, institute It states the first fan assembly and is correspondingly arranged at the upper air outlet, second fan assembly is correspondingly arranged at the lower air outlet； The controller is also used to: during cleaning the evaporator, the wind speed for controlling first fan assembly is less than institute The wind speed operation of the second fan assembly is stated, to carry out refrigeration air-supply by the execution of the second fan assembly.

In the technical scheme, when executing the clean operation of evaporator, by the first fan assembly of control with lesser Wind speed operation, and the second fan assembly of control are run with biggish wind speed, make the first evaporation module and surface gas Stream sufficiently heat exchange, and guarantee that the second evaporation module normally executes refrigerating operation with corresponding second fan assembly, thus in reality While now to the cleaning function of evaporator, the refrigerating function of air conditioner itself is not influenced, is meeting the same of user's use demands When, be conducive to the service life for promoting air conditioner.

In any of the above-described technical solution, optionally, first fan assembly is by the first blower of rotation and second Blower constructs to be formed, and first blower and second blower are axial flow blower or diagonal flow fan, and first blower is close The evaporator setting, second blower are arranged close to the air outlet；Second fan assembly is single axis stream wind Any one in machine, diagonal flow fan, cross flow fan or centrifugal blower.

In any of the above-described technical solution, optionally, the controller is also used to: controlling to adjust first blower Revolving speed is greater than or equal to the revolving speed of second blower, and the revolving speed of the revolving speed of first blower and second blower it Between rotating speed difference be less than or equal to rotational speed difference threshold value, wherein the rotational speed difference threshold value is the size according to first blower The dimensional parameters of parameter and second blower determine.

In the technical scheme, for counter-rotating fan, including at least along the first blower and the second wind axially arranged side by side Machine, the air-flow after completing heat exchange are discharged after the first blower is pressurized, through the driving of the second blower from corresponding air outlet, In conjunction with limit the first blower rotation speed of fan and the second blower rotation speed of fan and relativeness between the two restriction, with It realizes narrow angle air-supply, i.e., by forming a lesser wind-out range after air outlet, but there is farther away air supplying distance, in turn Accelerate indoor air circulation, to guarantee cleaning effect and and promote indoor temperature drop efficiency.

Specifically, installing with the first fan assembly of upper air outlet may include the first blower and the second wind that rotation is arranged Machine, for the first blower for increasing wind pressure, the second blower plays poly- wind action, and therefore, the first blower and the collaboration of the second blower are made Expanded with the distance that will be dried, to realize narrow angle air-supply, i.e. promotion air supplying distance, and can speed up indoor air circulation.

In any of the above-described technical solution, optionally, further includes: electric between Temperature Humidity Sensor, with the controller Connection, the Temperature Humidity Sensor is for acquiring environment temperature and ambient humidity, wherein if the controller detects the ring Border temperature is greater than preset temperature threshold and the ambient humidity is greater than first environment humidity threshold, adjusts first electronics The wind speed of the aperture of expansion valve and/or first fan assembly, to start clean operation, if the controller detect it is described Ambient humidity deteriorates to less than second environment humidity threshold, then controls end clean operation, and the first environment humidity threshold is big In the second environment humidity threshold.

When in the technical scheme, by the piggyback controller on air conditioner and Temperature Humidity Sensor, to detect Indoor ambient humidity reaches S1 (the first humidity threshold) or more, while indoor environment temperature reaches T1 (the first temperature threshold) When above, automatically control enter cleaning mode, in this mode, by adjust compressor frequency, electric expansion valve aperture with And the revolving speed of axial flow blower, realize comfortable dehumidification function, and when ambient humidity indoors is down to S2 (the second humidity threshold) from It is dynamic to exit cleaning mode, dehumidification operation is carried out by the monitoring to ambient temperature and humidity automatically, simplifies the operating procedure of user.

In any of the above-described technical solution, optionally, further includes: compressor is electrically connected between the controller, and And it is connect with the evaporator by refrigerant flow, wherein the controller is also used to: according to the pipe of the first evaporation module The running frequency of temperature, the return air temperature of air inlet and the compressor adjusts the aperture of first electric expansion valve, and/or Described the is adjusted according to the second evaporation tube temperature of module, the return air temperature of air inlet and the running frequency of the compressor The aperture of two electric expansion valves.

In the technical scheme, by according to the evaporator temperature sensing package temperature value and other such as exhaust temperature-sensitives detected The one or more of which such as packet, indoor return air temperature, compressor operating frequency, which combine, distinguishes the aperture of electric expansion valve It is adjusted, to realize the setting of different condensation temperatures, controls the leaving air temp in each air port respectively, realization is gone out by top Air port carries out cleaning outlet air, carries out normal refrigeration outlet air by the second air outlet of lower part.

Optionally embodiment according to the second aspect of the invention provides a kind of cleaning control method, comprising: if detection To cleaning mode is entered, then controls the cold medium flux for reducing the first evaporation module and/or control reduces first blower The revolving speed of component, with the frosting on first heat exchange module, after frosting, control increases the refrigerant of the first evaporation module The revolving speed that flow and/or control increase first fan assembly carries out defrost, to generate the condensate liquid for cleaning the evaporator Body.

In the above-mentioned technical solutions, optionally, the first electricity of control cold medium flux is provided in the first evaporation module Sub- expansion valve, it is described second evaporation module on be provided with the second electric expansion valve, the cleaning control method specifically includes: into After entering the cleaning mode, control reduces the aperture of first electric expansion valve, to reduce the cold of the first evaporation module Matchmaker's flow reduces the evaporating pressure of first heat exchange module, the frosting on first heat exchange module；If detecting described The tube temperature of first evaporation module rises to default tube temperature threshold value, and control increases the aperture of first electric expansion valve, to pass through Defrosting forms the liquid.

In the technical scheme, temperature sensing package is set on the U-tube of the first heat exchange module, U-tube is monitored by temperature sensing package Tube temperature variation, air-flow is followed successively by gaseous state-solid-liquid by the state of the first heat exchange module, wherein passes through and increases expansion valve Aperture, make top evaporation module tube temperature decline rapidly, thus air-flow flow through top evaporation module when frosting, with top Evaporation module gradually absorbs heat and increase tube temperature, in the case where detecting that tube temperature rises to more than or equal to default tube temperature threshold value, Control increases the aperture of expansion valve again, holds frost to realize, to form liquid, liquid runs down evaporator is to flowing down, to realize To the cleaning function that evaporator shows, blows in conjunction with the refrigeration in the air port Xia Chu, execute refrigerating function and self-cleaning function parallel It is non-interference, increase the comfort of air conditioner operation.

In any of the above-described technical solution, optionally, further includes: according to the tube temperature, described of the first evaporation module At least one of in the running frequency of the delivery temperature of compressor, the return air temperature of the air inlet and the compressor, really The aperture regulation parameter of fixed first electric expansion valve, with according to the aperture regulation parameter regulation aperture, described first Frosting on heat exchange module.

In the technical scheme, due to the running frequency of the control of expansion valve and compressor, the delivery temperature of compressor, room The correlations such as the temperature sensor of the return air temperature of interior machine and evaporator, it is therefore desirable to based at least one of above-mentioned parameter come Determine aperture regulation coefficient, i.e., how the aperture of variable expansion valve, for example when the running frequency of compressor is higher, expansion valve is opened The biggish increase of the needs of degree then only needs lesser increase when running frequency is lower, for another example higher in return air temperature When, show that the gas flow temperature for entering air inlet is higher, the lesser aperture of flesh can be increased at this time, can be arranged for different functions Corresponding evaporating pressure is realized with realizing that refrigeration is synchronous with dehumidification function.

In any of the above-described technical solution, optionally, the multiple air outlet includes and first fan assembly pair The upper air outlet answered, described after entering the cleaning mode, control reduces the aperture of first electric expansion valve, to reduce The cold medium flux of the first evaporation module, reduces the evaporating pressure of first heat exchange module, in the first heat exchange mould Frosting on block, further includes: after the aperture that control reduces first electric expansion valve, according to environment temperature and second temperature threshold The operational taps of determining the first fan assembly corresponding with the upper air outlet of relationship between value.

In the technical scheme, during controlling the increase aperture of expansion valve first, by environment temperature and second The detection of relationship between temperature threshold, to determine the operational taps of corresponding first fan assembly of upper air outlet, so as to tie It closes actual environment temperature and carries out outlet air, to realize the cleaning function to evaporator by the clean airflow circulating of user.

In any of the above-described technical solution, optionally, operational taps include high wind file, middle high wind file, middle wind file, in it is low Wind file and low wind file determine the first wind corresponding with upper air outlet according to the relationship between environment temperature and second temperature threshold value The operational taps of thermomechanical components, specifically include: in the case where detecting that environment temperature is less than or equal to second temperature threshold value, control First fan assembly is with the corresponding revolving speed operation of low wind file；In the case where detecting that environment temperature is greater than second temperature threshold value, The first fan assembly is controlled with the corresponding revolving speed operation of middle low wind file.

In the technical scheme, according to the actual motion demand of fan assembly, operational taps can be divided to five grades into, specifically Including high wind file, middle high wind file, middle wind file, middle low wind file and low wind file, and pass through the air-flow of the first heat exchange module to mention High frosting efficiency, the needs of corresponding first fan assembly run (low wind file and low wind file in such as) under lower revolving speed, In conjunction with preset second temperature threshold value, to determine low wind file or low wind file operation in, detecting that environment temperature is greater than the When two temperature thresholds, show that current environment temperature is higher, run at this time by using middle low wind file, is guaranteeing abundant frosting Meanwhile promotion is also helped to indoor refrigeration effect, when detecting that environment temperature is less than or equal to second temperature threshold value, table Bright current environment temperature is lower, by turning down operational taps, to guarantee the efficiency of frosting.

In any of the above-described technical solution, optionally, if the tube temperature for detecting the first evaporation module rises To default tube temperature threshold value, the aperture that control increases first electric expansion valve is also wrapped with forming the liquid by defrosting Include: after the aperture that control increases first electric expansion valve, the operational taps of first fan assembly are raised in control, with Carry out defrost.

In the technical scheme, after control increases the aperture of expansion valve again, by the fortune for raising the first fan assembly Row gear promotes the heat exchange efficiency between air-flow and frosting, to promote the flow velocity and flow of liquid, fills so as to guarantee to have The liquid divided is for the cleaning to evaporator.

In any of the above-described technical solution, optionally, multiple air outlets further include corresponding with second fan assembly Lower air outlet, the cleaning control method further include: after entering the cleaning mode, it is logical to control second fan assembly It crosses the lower air outlet and carries out refrigeration air-supply, wherein the operational taps of second fan assembly are higher than first blower fan group The operational taps of part.

In the technical scheme, when every group of fan assembly includes two axial flow blowers, two axial flow blowers pass through opposite Setting can construct to form counter-rotating fan, run by control counter-rotating fan to rotation, reducing the same of the running noises of air conditioner When, it is able to ascend air-supply effect.

Specifically, multiple air outlets include upper air outlet and lower air outlet, and upper air outlet is used to that the gas after heat exchange will to be cleaned Conductance goes out, and lower air outlet is for air-supply of freezing, in order to promote the production quantity of liquid, control blower corresponding with upper air outlet with compared with Low revolving speed operation, is controlled blower corresponding with lower air outlet and is run with higher revolving speed, i.e., the air-supply wind speed of upper air outlet is small In the air-supply wind speed of lower air outlet, in order to realize the wind speed relationship, can following air outlet be correspondingly arranged counter-rotating fan, in upper outlet air Mouth is correspondingly arranged an axial flow blower, can also be respectively provided with counter-rotating fan in lower air outlet and upper air outlet, but go out on controlling The counter-rotating fan in air port is run with lower gear, so as to corresponding with lower air outlet, cooperation by the upper air outlet opened up Fan assembly and be provided with the first heat exchange module and lower part heat exchange module of expansion valve, realize the cleaning of evaporator and indoor The synchronously control of mechanism cold executes, to promote the comfort of user experience.

In any of the above-described technical solution, optionally, counter-rotating fan include close to air inlet setting the first blower with And close to air outlet setting the second blower, cleaning control method further include: control the first blower run with the first revolving speed and Second blower is run with the second revolving speed, so as to execute the air-supply of narrow angle, wherein the first revolving speed and the second revolving speed are according to the machine of air conditioner The blade quantity of body size, the first blower and the second blower determines, and the difference between the first revolving speed and the second revolving speed is small In specified speed difference threshold value.

In any of the above-described technical solution, optionally, further includes: according to the difference between environment temperature and target temperature Value determines the operational taps of corresponding with lower air outlet the second fan assembly, wherein the operational taps of the second fan assembly include High wind file, middle high wind file and middle wind file.

In the technical scheme, in order to guarantee that the corresponding air duct of upper air outlet air duct corresponding with lower air outlet is mutually indepedent Carry out distinguished and admirable circulation, in control air outlet from lower air outlet with different wind speed outlet air, and due to lower air outlet responsibility system It is cold, it is therefore desirable to bigger wind speed, therefore the first fan assembly above use in low wind file or low wind file when running, control Second fan assembly is using the operation of one of high wind file, middle high wind file or middle wind file, to guarantee refrigeration effect.

In any of the above-described technical solution, optionally, before entering cleaning mode, further includes: current detecting Environment temperature be greater than control in the case that the first temperature threshold and current ambient humidity be greater than default first humidity threshold Air conditioner processed enters cleaning mode.

In any of the above-described technical solution, optionally, after entering cleaning mode, further includes: detecting environment In the case that humidity is less than the second humidity threshold, control air conditioner exits cleaning mode；After exiting cleaning mode, air conditioner stops It only runs or multiple air outlets carries out refrigeration air-supply, wherein the second humidity threshold is less than the first humidity threshold.

In any of the above-described technical solution, optionally, before entering cleaning mode, further includes: received in detection In the case where the cleaning instruction that remote control equipment is sent, control air conditioner enters cleaning mode.

In the technical scheme, can also determine whether to enter cleaning mode by the control signal received, to realize Comfortable dehumidification function based on user's control, the function compare the control program automatically into cleaning mode, have higher control Flexibility processed.

Technical solution according to the third aspect of the invention we additionally provides a kind of computer readable storage medium, deposits thereon Computer program is contained, above-mentioned computer program is performed the cleaning controlling party for realizing that any of the above-described technical solution limits Method.

Additional aspect and advantage of the invention will provide in following description section, will partially become from the following description Obviously, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:

Fig. 1 shows the structural schematic diagram of air conditioner according to an embodiment of the invention；

Fig. 2 shows the air conditioner A-A in Fig. 1 to sectional view；

Fig. 3 shows the structural schematic diagram of the evaporator in the air conditioner of one embodiment of the present of invention；

Fig. 4 shows the air flow direction schematic diagram of air conditioner according to an embodiment of the invention；

Fig. 5 shows the schematic flow diagram of cleaning control method according to an embodiment of the invention.

Wherein, the corresponding relationship in Fig. 1 to Fig. 4 between appended drawing reference and component names are as follows:

1 Temperature Humidity Sensor, 2 air-conditioner shells, 3 first fan assemblies, 301 the second blowers of top, 302 top light breeze Leaf, 303 top level-one fan blades, 304 the first blowers of top, 4 second fan assemblies, 401 the second blowers of lower part, 402 lower part second levels Fan blade, 403 lower part level-one fan blades, 404 the first blowers of lower part, 502 first evaporation modules, 504 second evaporation modules, 6 air inlets, 506 first electric expansion valves, 508 second electric expansion valves.

Specific embodiment

To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.

In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.

Embodiment one

As shown in Fig. 2, air conditioner according to an embodiment of the invention, comprising: air-conditioner shell 2, the air conditioner Correspondence offers air inlet 6 and multiple air outlets on shell 2；Multiple fan assemblies are arranged close to the multiple air outlet, including First fan assembly and the second fan assembly；Evaporator is arranged close to the air inlet 6, including what is be arranged side by side from top to bottom First evaporation module 502 and the second evaporation module 504, described first evaporates that module 502 is corresponding with first fan assembly sets It sets, the second evaporation module 504 is correspondingly arranged with second fan assembly, wherein in the air conditioner operational process, Reduce the cold medium flux of the first evaporation module 502 and/or the revolving speed of control reduction first fan assembly by control, Frosting after making into the air-flow of the air-conditioner shell 2 and first heat exchange module heat exchange, control increase first evaporation The revolving speed that the cold medium flux of module 502 and/or control increase first fan assembly carries out defrost, cleans the steaming to generate Send out the condensed fluid of device.

In this embodiment, air inlet 6 is opened up on the rear side panel of air-conditioner shell 2, on front panel along longitudinal direction Multiple air outlets are opened up, evaporator and multiple groups fan assembly are set gradually between air inlet 6 and air outlet, wherein multiple groups wind Thermomechanical components are correspondingly arranged one by one with multiple air outlets, to be driven by fan assembly from corresponding air outlet, evaporator packet Multiple heat exchange modules are included, multiple heat exchange modules are correspondingly arranged with multiple groups fan assembly one by one again, to form multiple groups heat exchange module-wind Thermomechanical components-air outlet fit module, so that a plurality of parallel exhaust air flue is realized, further, by the first heat exchange mould The refrigerant input branch road setting expansion valve of block, to adjust the vapor pres- sure of the first heat exchange module by the aperture of variable expansion valve Power, to realize that by the air-flow of the first heat exchange module, the liquid after liquefaction passes through in the outer surface of evaporator by heat exchange liquefaction During flowing downward, the dirt of evaporator surface can be washed away, and then realize the cleaning to evaporator.

Preferably, Fig. 1 shows a kind of floor air conditioner.

As shown in figure 3, in the above-described embodiments, optionally, further includes: controller (not shown), respectively with it is described It is electrically connected between multiple fan assemblies；The inlet flow road of the first evaporation module 502 is provided with the first electric expansion valve 506, the inlet flow road of the second evaporation module 504 is provided with the second electric expansion valve 508, first electric expansion valve 506 are electrically connected between the controller respectively with second electric expansion valve 508, wherein are controlled by the controller Reduce the aperture of first electric expansion valve 506 and/or increase the aperture of second electric expansion valve 508, described in reduction The cold medium flux of first evaporation module 502, so that the first evaporation 502 surface frosting of module.

In any of the above-described embodiment, optionally, the controller is also used to: after the evaporator surface frosting, By the tube temperature of evaporator temperature sensing package detection the first evaporation module, if it is pre- to detect that the tube temperature of the first evaporation module rises to If tube temperature threshold value, control increases the aperture of first electric expansion valve, to form liquid by defrosting operation.

In this embodiment, by the way that evaporator to be at least divided into the evaporation module of two independent control refrigerants input, with Multiple independent refrigerant control flow paths are formed, electric expansion valve is respectively set in different refrigerant control flow paths, by making difference Electric expansion valve there is different apertures, there is different evaporating pressures, the first steaming on top in corresponding evaporation module Sending out module 502 has lesser evaporating pressure, cooperates the lower revolving speed of corresponding first fan assembly, can be realized evaporation mold The frosting of block surface further realizes surface defrost, the liquid that defrost obtains is realized after flowing through evaporator surface by increasing aperture To the cleaning action of evaporator.

The first electric expansion valve 506 and the second evaporation module before executing clean operation, in the first evaporation module 502 The aperture having the same of the second electric expansion valve 508 on 504, when executing clean operation, compressor running frequency not Under the premise of change, by reducing the aperture of the first electric expansion valve 506, or the aperture of the second electric expansion valve 508 of increase, reduce The evaporating pressure of first evaporation module 502, realizes heat exchange frosting.

Or it is out of service by the revolving speed or the first fan assembly of control of the first fan assembly of reduction, it also may be implemented first Evaporate 502 surface frosting of module.

In any of the above-described embodiment, optionally, the multiple air outlet includes upper air outlet and lower air outlet, described First fan assembly is correspondingly arranged at the upper air outlet, and second fan assembly is correspondingly arranged at the lower air outlet；Institute It states controller to be also used to: during cleaning the evaporator, controlling the wind speed of first fan assembly less than described The wind speed of second fan assembly is run, to carry out refrigeration air-supply by the execution of the second fan assembly.

In this embodiment, execute evaporator clean operation when, by control the first fan assembly with it is lesser go out The operation of wind wind speed, and the second fan assembly of control are run with biggish wind speed, make the first evaporation module 502 and surface gas Stream sufficiently heat exchange, and guarantee that the second evaporation module 504 normally executes refrigerating operation with corresponding second fan assembly, thus While realizing the cleaning function to evaporator, the refrigerating function of air conditioner itself is not influenced, is meeting user's use demands Meanwhile being conducive to be promoted the service life of air conditioner.

In any of the above-described embodiment, optionally, first fan assembly is by the first blower and the second wind to rotation Mechanism appearance is at first blower and second blower are axial flow blower or diagonal flow fan, and first blower is close to institute Evaporator setting is stated, second blower is arranged close to the air outlet；Second fan assembly be single axial flow blower, Any one in diagonal flow fan, cross flow fan or centrifugal blower.

In any of the above-described embodiment, optionally, the controller is also used to: controlling to adjust turning for first blower Speed is greater than or equal to the revolving speed of second blower, and between the revolving speed of first blower and the revolving speed of second blower Rotating speed difference be less than or equal to rotational speed difference threshold value, wherein the rotational speed difference threshold value be according to the size of first blower join Several and second blower dimensional parameters determine.

In this embodiment, for counter-rotating fan, including at least along the first blower and the second blower axially arranged side by side, Air-flow after completing heat exchange is discharged after the first blower is pressurized, through the driving of the second blower from corresponding air outlet, knot The restriction for limiting the rotation speed of fan of the first blower and the rotation speed of fan of the second blower and relativeness between the two is closed, with reality Existing narrow angle air-supply, i.e., by forming a lesser wind-out range after air outlet, but have farther away air supplying distance, Jin Erjia The indoor air circulation of speed, to guarantee cleaning effect and and promote indoor temperature drop efficiency.

In any of the above-described embodiment, optionally, further includes: be electrically connected between Temperature Humidity Sensor 1, with the controller It connects, the Temperature Humidity Sensor 1 is for acquiring environment temperature and ambient humidity, wherein if the controller detects the ring Border temperature is greater than preset temperature threshold and the ambient humidity is greater than first environment humidity threshold, adjusts first electronics The wind speed of the aperture of expansion valve 506 and/or first fan assembly, to start clean operation, if the controller detects The ambient humidity deteriorates to less than second environment humidity threshold, then controls end clean operation, the first environment humidity threshold Value is greater than the second environment humidity threshold.

When in this embodiment, by the piggyback controller on air conditioner and Temperature Humidity Sensor 1, to detect room Interior ambient humidity reaches S1 (the first humidity threshold) or more, at the same indoor environment temperature reach T1 (the first temperature threshold) with When upper, automatically control enter cleaning mode, in this mode, by adjust compressor frequency, electric expansion valve aperture and The revolving speed of axial flow blower realizes comfortable dehumidification function, and ambient humidity indoors is down to S2 (the second humidity threshold) Shi Zidong Cleaning mode is exited, dehumidification operation is carried out by the monitoring to ambient temperature and humidity automatically, simplifies the operating procedure of user.

In any of the above-described embodiment, optionally, further includes: compressor is electrically connected between the controller, and It is connect by cold media input tube with refrigerant efferent duct with the evaporator by refrigerant flow, wherein the controller is also used to: Institute is adjusted according to the tube temperature of the first evaporation module 502, the return air temperature of air inlet and the running frequency of the compressor The aperture of the first electric expansion valve 506 is stated, and/or evaporates the tube temperature of module 504, the return air temperature of air inlet according to described second And the running frequency of the compressor adjusts the aperture of second electric expansion valve 508.

In this embodiment, by according to the evaporator temperature sensing package temperature value that detects and it is other be such as vented temperature sensing package, The one or more of which such as indoor return air temperature, compressor operating frequency are combined and are carried out respectively to the aperture of electric expansion valve It adjusts, to realize the setting of different condensation temperatures, controls the leaving air temp in each air port respectively, realize and pass through top air outlet Cleaning outlet air is carried out, normal refrigeration outlet air is carried out by the second air outlet of lower part.

As shown in Fig. 2, the first fan assembly and the second fan assembly can also be axial flow blower, the first fan assembly 3 It is constructed with the second fan assembly 4 and forms counter-rotating fan, the first fan assembly 3 includes the first blower of top and the second wind of top Machine, the first blower of top include top level-one fan blade 303 and the first blower of top 304, and the second blower of top includes top second level Fan blade 302 and the second blower of top 301.

Second fan assembly 4 includes the first blower of lower part and the second blower of lower part, and the first blower of lower part includes lower departmental level Fan blade 403 and the first blower of lower part 404, the second blower of lower part includes lower part second level fan blade 402 and the second blower of lower part 401.

Embodiment two

As shown in figure 5, the cleaning control method of embodiment according to the present invention, suitable for sky described in above embodiments Adjust device, comprising:

Step 602, if detect controlled into cleaning mode reduce it is described first evaporation module cold medium flux and/ Or control reduces the revolving speed of first fan assembly, with the frosting on first heat exchange module；

Step 604, after frosting, control increases described in cold medium flux and/or the control increase of the first evaporation module The revolving speed of first fan assembly carries out defrost, to generate the condensed fluid for cleaning the evaporator.

In the above-described embodiments, optionally, the first electronics of control cold medium flux is provided in the first evaporation module Expansion valve, it is described second evaporation module on be provided with the second electric expansion valve, the cleaning control method specifically includes: entering After the cleaning mode, control reduces the aperture of first electric expansion valve, to reduce the refrigerant of the first evaporation module Flow reduces the evaporating pressure of first heat exchange module, the frosting on first heat exchange module；If detecting described The tube temperature of one evaporation module rises to default tube temperature threshold value, and control increases the aperture of first electric expansion valve, by melting Frost forms the liquid.

In this embodiment, temperature sensing package is set on the U-tube of the first heat exchange module, U-tube is monitored by temperature sensing package Tube temperature variation, air-flow are followed successively by gaseous state-solid-liquid by the state of the first heat exchange module, wherein by increasing expansion valve Aperture declines the tube temperature of top evaporation module rapidly, thus the frosting when air-flow flows through top evaporation module, as top is steamed Hair module gradually absorbs heat and increase tube temperature, in the case where detecting that tube temperature rises to more than or equal to default tube temperature threshold value, control System increases the aperture of expansion valve again, holds frost to realize, to form liquid, liquid runs down evaporator is to flowing down, to realize pair The cleaning function that evaporator shows blows in conjunction with the refrigeration in the air port Xia Chu, executes refrigerating function and self-cleaning function parallel mutually Do not interfere, increases the comfort of air conditioner operation.

In any of the above-described embodiment, optionally, further includes: according to tube temperature, the pressure of the first evaporation module At least one of in the running frequency of the delivery temperature of contracting machine, the return air temperature of the air inlet and the compressor, it determines The aperture regulation parameter of first electric expansion valve, changed described first according to the aperture regulation parameter regulation aperture Frosting in thermal modules.

In this embodiment, due to the running frequency of the control of expansion valve and compressor, the delivery temperature of compressor, interior The correlations such as the temperature sensor of the return air temperature of machine and evaporator, it is therefore desirable to based at least one of above-mentioned parameter come really Determine aperture regulation coefficient, i.e., how the aperture of variable expansion valve, such as when the running frequency of compressor is higher, expansion valve opening The biggish increase of needs then only need lesser increase when running frequency is lower, it is for another example higher in return air temperature When, show that the gas flow temperature for entering air inlet is higher, the lesser aperture of flesh can be increased at this time, can be arranged for different functions Corresponding evaporating pressure is realized with realizing that refrigeration is synchronous with dehumidification function.

In any of the above-described embodiment, optionally, the multiple air outlet includes corresponding with first fan assembly Upper air outlet, described after entering the cleaning mode, control reduces the aperture of first electric expansion valve, to reduce The cold medium flux for stating the first evaporation module reduces the evaporating pressure of first heat exchange module, in first heat exchange module Upper frosting, further includes: after the aperture that control reduces first electric expansion valve, according to environment temperature and second temperature threshold value Between determining the first fan assembly corresponding with the upper air outlet of relationship operational taps.

In this embodiment, during controlling the increase aperture of expansion valve first, by environment temperature and the second temperature The detection for spending relationship between threshold value, to determine the operational taps of corresponding first fan assembly of upper air outlet, so as to combine Actual environment temperature carries out outlet air, to realize the cleaning function to evaporator by the clean airflow circulating of user.

In any of the above-described embodiment, optionally, operational taps include high wind file, middle high wind file, middle wind file, in low wind Shelves and low wind file determine the first blower corresponding with upper air outlet according to the relationship between environment temperature and second temperature threshold value The operational taps of component, specifically include: in the case where detecting that environment temperature is less than or equal to second temperature threshold value, control the One fan assembly is with the corresponding revolving speed operation of low wind file；In the case where detecting that environment temperature is greater than second temperature threshold value, control The first fan assembly is made with the corresponding revolving speed operation of middle low wind file.

In this embodiment, according to the actual motion demand of fan assembly into, operational taps can be divided to five grades, it is specific to wrap High wind file, middle high wind file, middle wind file, middle low wind file and low wind file are included, and passes through the air-flow of the first heat exchange module to improve Frosting efficiency, the needs of corresponding first fan assembly run (low wind file and low wind file in such as), knot under lower revolving speed Preset second temperature threshold value is closed, to determine low wind file or low wind file operation in, is detecting environment temperature greater than second When temperature threshold, show that current environment temperature is higher, run at this time by using middle low wind file, is guaranteeing the same of abundant frosting When, it also helps promotion and indoor refrigeration effect is shown when detecting that environment temperature is less than or equal to second temperature threshold value Current environment temperature is lower, by turning down operational taps, to guarantee the efficiency of frosting.

Specifically, the low wind file revolving speed of counter-rotating fan are as follows: the first 150 revs/min of blower, the second 100 revs/min of blower；

The middle low wind file revolving speed of counter-rotating fan are as follows: the first 250 revs/min of blower, the second 200 revs/min of blower；

The middle wind file revolving speed of counter-rotating fan are as follows: the first 350 revs/min of blower, the second 300 revs/min of blower；

High wind file revolving speed in counter-rotating fan are as follows: the first 450 revs/min of blower, the second 400 revs/min of blower；

The high wind file revolving speed of counter-rotating fan are as follows: the first 550 revs/min of blower, the second 500 revs/min of blower；

Wherein, the revolving speed of the first blower is greater than or equal to the revolving speed of the second blower.

In any of the above-described embodiment, optionally, if the tube temperature for detecting the first evaporation module rises to Default tube temperature threshold value, control increases the aperture of first electric expansion valve, to form the liquid by defrosting, further includes: After the aperture that control increases first electric expansion valve, the operational taps of first fan assembly are raised in control, with into Row defrost.

In this embodiment, after control increases the aperture of expansion valve again, by the operation for raising the first fan assembly Gear promotes the heat exchange efficiency between air-flow and frosting, abundant so as to guarantee to have to promote the flow velocity and flow of liquid Liquid for cleaning to evaporator.

In any of the above-described embodiment, optionally, multiple air outlets further include corresponding with second fan assembly Lower air outlet, the cleaning control method further include: after entering the cleaning mode, control second fan assembly and pass through The lower air outlet carries out refrigeration air-supply, wherein the operational taps of second fan assembly are higher than first fan assembly Operational taps.

In this embodiment, when every group of fan assembly includes two axial flow blowers, two axial flow blowers pass through opposite set Setting to construct to form counter-rotating fan, run by control counter-rotating fan to rotation, while reducing the running noises of air conditioner, It is able to ascend air-supply effect.

In any of the above-described embodiment, optionally, counter-rotating fan include close to air inlet setting the first blower and Close to the second blower of air outlet setting, cleaning control method further include: the first blower of control is run and the with the first revolving speed Two blowers are run with the second revolving speed, so as to execute the air-supply of narrow angle, wherein the first revolving speed and the second revolving speed are according to the fuselage of air conditioner The blade quantity of size, the first blower and the second blower determines, and the difference between the first revolving speed and the second revolving speed is less than Specified speed difference threshold value.

In any of the above-described embodiment, optionally, further includes: according to the difference between environment temperature and target temperature, Determine the operational taps of the second fan assembly corresponding with lower air outlet, wherein the operational taps of the second fan assembly include height Wind file, middle high wind file and middle wind file.

In this embodiment, in order to guarantee the corresponding air duct of upper air outlet air duct corresponding with lower air outlet independently of each other into The distinguished and admirable circulation of row, in control air outlet from lower air outlet with different wind speed outlet air, and since lower air outlet is responsible for refrigeration, Therefore need bigger wind speed, thus the first fan assembly above use in low wind file or low wind file when running, control the Two fan assemblies are using the operation of one of high wind file, middle high wind file or middle wind file, to guarantee refrigeration effect.

In any of the above-described embodiment, optionally, before entering cleaning mode, further includes: current detecting In the case that environment temperature is greater than the first temperature threshold and current ambient humidity greater than default first humidity threshold, control Air conditioner enters cleaning mode.

In any of the above-described embodiment, optionally, after entering cleaning mode, further includes: detecting environmental wet In the case that degree is less than the second humidity threshold, control air conditioner exits cleaning mode；After exiting cleaning mode, air conditioner stops Operation or multiple air outlets carry out refrigeration air-supply, wherein the second humidity threshold is less than the first humidity threshold.

When in this embodiment, by the piggyback controller on air conditioner and Temperature Humidity Sensor, to detect room Interior ambient humidity reaches S1 (the first humidity threshold) or more, at the same indoor environment temperature reach T1 (the first temperature threshold) with When upper, automatically control enter cleaning mode, in this mode, by adjust compressor frequency, electric expansion valve aperture and The revolving speed of axial flow blower realizes comfortable dehumidification function, and ambient humidity indoors is down to S2 (the second humidity threshold) Shi Zidong Cleaning mode is exited, dehumidification operation is carried out by the monitoring to ambient temperature and humidity automatically, simplifies the operating procedure of user.

In any of the above-described embodiment, optionally, before entering cleaning mode, further includes: received in detection distant In the case where controlling the cleaning instruction that equipment is sent, control air conditioner enters cleaning mode.

In this embodiment, can also determine whether to enter cleaning mode by the control signal received, to realize base In the comfortable dehumidification function of user's control, which compares the control program automatically into cleaning mode, has higher control Flexibility.

Embodiment three:

It sends for telecommand control air conditioner enters by the way of cleaning mode, and combines by using remote control equipment below Cleaning control program is described further in attached drawing 3 and Fig. 4.

After air conditioner booting, by the touch-control reference to the automatically cleaning key on remote control equipment, cleaning is sent to air conditioner and is referred to Order, cleaning instruction include the target temperature of refrigeration and the aperture regulation parameter of expansion valve, and entire air-conditioning system passes through cooperation, Realize self-cleaning function.

Specifically, operational taps are such as divided into 5 grades, including high wind file, middle high wind file, middle wind file, middle low wind file and low Wind file.After entering cleaning mode, operational taps are adjusted, realize the adjusting of counter-rotating fan revolving speed, air supplying distance are promoted, to add Fast indoor air circulation enhances self-cleaning effect and Indoor Temperature reduction of speed degree, thus reach more comfortable state, counter-rotating fan Revolving speed includes:

The low wind file revolving speed of counter-rotating fan are as follows: the first 150 revs/min of blower, the second 100 revs/min of blower；

As shown in figure 4, cleaning is realized in the air duct by upper air outlet, refrigeration is realized by the air duct of lower air outlet, is above gone out Air port is less than or equal to middle low wind file to the operational taps of rotation motor.

Wherein, according to the return air temperature of the temperature sensor of the evaporator detected, the exhaust temperature sensor of compressor, indoor unit At least one of in the running frequency of degree and compressor, the aperture of expansion valve is adjusted respectively, controls each wind respectively Mouthful leaving air temp, air outlet automatically cleaning in realizations, lower air outlet freezes.

Specifically, realize that the logic of cleaning mode includes: the upper air outlet into after cleaning mode by upper air outlet The gear of the first fan assembly automatically select, gear selection is determined according to environment temperature, when room temperature is greater than T2, default Middle low wind file when room temperature is less than T2, defaults low wind file, while the first movement rapidly of electric expansion valve 506, makes the first evaporation The tube temperature of module declines rapidly, as shown in figure 3, make the first evaporation mold agllutination white, when the tube temperature of the first evaporation module is greater than Tz, First electric expansion valve acts again, and aperture increases, while the gear of the first fan assembly of upper air outlet increases, and realization is melted Frost, the water being melted into is past dirty along evaporator top, and then cleans to entire evaporator.

Example IV:

Below to be determined whether to enter cleaning according to testing result of the Temperature Humidity Sensor to environment temperature and ambient humidity For the mode of mode, and it is described further in conjunction with 4 pairs of cleaning control programs of attached drawing.

Detecting that current environment temperature is greater than the first temperature threshold and current ambient humidity is greater than default first In the case where humidity threshold, control air conditioner enters cleaning mode.

Specifically, realize that the logic of cleaning mode includes: the upper air outlet into after cleaning mode by upper air outlet The gear of the first fan assembly automatically select, gear selection is determined according to environment temperature, when room temperature is greater than T2, default Middle low wind file when room temperature is less than T2, defaults low wind file；The first electric expansion valve of electronics 506 acts rapidly simultaneously, makes first The tube temperature of evaporation module declines rapidly, allows the first evaporation mold agllutination frost, when the tube temperature of the first evaporation module is greater than Tz, electronics the The movement of one electric expansion valve 506, aperture increase, while the first fan assembly gear of upper air outlet increases, and realize defrosting, melt At water and then entire evaporator is cleaned along evaporator top toward flowing down.

The computer readable storage medium of embodiment according to the present invention is stored thereon with computer program, above-mentioned calculating Machine program is performed realization: if detecting into cleaning mode, adjusting the steaming of the first heat exchange module in multiple heat exchange modules Pressure is sent out, makes to be converted into liquid after into the air-flow of air-conditioner shell and the heat exchange of the first heat exchange module, to steam by cleaning liquid Send out device.

In this embodiment, air inlet is opened up on the rear side panel of air-conditioner shell, is opened along longitudinal direction on front panel If multiple air outlets, evaporator and multiple groups fan assembly are set gradually between air inlet and air outlet, wherein multiple groups blower fan group Part is correspondingly arranged one by one with multiple air outlets, with by fan assembly driving, from corresponding air outlet, evaporator includes more A heat exchange module, multiple heat exchange modules are correspondingly arranged with multiple groups fan assembly one by one again, to form multiple groups heat exchange module-blower fan group Part-air outlet fit module, so that a plurality of parallel exhaust air flue is realized, further, by the first heat exchange module Refrigerant inputs branch road setting expansion valve, to adjust the evaporating pressure of the first heat exchange module by the aperture of variable expansion valve, with Realize that by the air-flow of the first heat exchange module, the liquid after liquefaction passes through the downwardly stream in evaporator by heat exchange liquefaction In dynamic process, the dirt of evaporator surface can be washed away, and then realize the cleaning to evaporator.

In the above-described embodiments, optionally, the first heat exchange module is correspondingly arranged on expansion valve, adjusts in multiple heat exchange modules The first heat exchange module evaporating pressure, specifically include: enter cleaning mode after, control increase expansion valve aperture so that The evaporating pressure of first heat exchange module reduces, the frosting on the first heat exchange module；Detecting that tube temperature rises to default tube temperature threshold In the case where value, the aperture of expansion valve is continued growing, to form liquid by defrosting.

In any of the above-described embodiment, optionally, further includes: according to the exhaust of the temperature sensor of evaporator, compressor At least one of in the running frequency of temperature, the return air temperature of indoor unit and compressor, determine opening at least one expansion valve Adjustment parameter is spent, according to aperture regulation parameter regulation aperture.

In this embodiment, due to the running frequency of the control of expansion valve and compressor, the delivery temperature of compressor, interior The correlations such as the temperature sensor of the return air temperature of machine and evaporator, it is therefore desirable to based at least one of above-mentioned parameter come really Determine aperture regulation coefficient, i.e., how the aperture of variable expansion valve, such as when the running frequency of compressor is higher, expansion valve opening The biggish increase of needs then only need lesser increase when running frequency is lower, it is for another example higher in return air temperature When, show that the gas flow temperature for entering air inlet is higher, the lesser aperture of flesh can be increased at this time, can be arranged for different functions Corresponding evaporating pressure is realized with realizing that refrigeration is synchronous with cleaning function.

In any of the above-described embodiment, optionally, multiple air outlets include upper outlet air corresponding with the first heat exchange module Mouthful, air conditioner includes the multiple fan assemblies being correspondingly arranged with multiple air outlets, and after entering cleaning mode, control increases expansion The aperture of valve, so that the evaporating pressure of the first heat exchange module reduces, the frosting on the first heat exchange module, further includes: increase in control After the aperture for adding expansion valve, corresponding with upper air outlet first is determined according to the relationship between environment temperature and second temperature threshold value The operational taps of fan assembly.

In any of the above-described embodiment, optionally, in the case where detecting that tube temperature rises to default tube temperature threshold value, after The continuous aperture for increasing expansion valve, to form liquid by defrosting, further includes: after continuing growing the aperture of expansion valve, in control Adjust the operational taps of the first fan assembly.

In any of the above-described embodiment, optionally, multiple air outlets further include lower air outlet, and lower outlet air is correspondingly arranged on Second fan assembly, the second fan assembly includes counter-rotating fan or the first fan assembly and the second fan assembly includes to rotation Blower, cleaning control method further include: after entering cleaning mode, control counter-rotating fan corresponding with lower air outlet and execute narrow angle Air-supply；Or corresponding with the lower air outlet counter-rotating fan of control, and the synchronous narrow angle of execution of counter-rotating fan corresponding with upper air outlet Air-supply, wherein for lower air outlet for air-supply of freezing, the air-supply wind speed of upper air outlet is less than the air-supply wind speed of lower air outlet.

Specifically, as a preferred embodiment, opening up air outlet and lower air outlet on air conditioner respectively, above go out The fan assembly of air port and the setting of lower air outlet is counter-rotating fan, upper air outlet combination counter-rotating fan and the first heat exchange module Cooperation by by air-flow liquefaction after clean evaporator, lower air outlet combination counter-rotating fan and lower part heat exchange module cooperate will be through Refrigeration air-supply, the upper corresponding counter-rotating fan low wind file of air outlet or the operation of middle low wind file, lower outlet air are carried out after the air-flow liquefaction crossed A kind of operation is specified in wind file, middle high wind file and high wind file in corresponding counter-rotating fan use.

The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, according to the technical solution of the present invention, proposes one Air conditioner and corresponding cleaning control method are planted, air inlet is opened up on the rear side panel of the air-conditioner shell of air conditioner, preceding Multiple air outlets are opened up on side panel along longitudinal direction, evaporator and multiple groups blower fan group are set gradually between air inlet and air outlet Part, wherein multiple groups fan assembly is correspondingly arranged one by one with multiple air outlets, to be driven by fan assembly from corresponding air outlet Outlet air, evaporator include multiple heat exchange modules, and multiple heat exchange modules are correspondingly arranged with multiple groups fan assembly one by one again, more to be formed Group heat exchange module-fan assembly-air outlet fit module, to realize that a plurality of parallel exhaust air flue further passes through Expansion valve is set on the refrigerant input branch road of the first heat exchange module, to adjust the first heat exchange by the aperture of variable expansion valve The evaporating pressure of module, to realize that by the air-flow of the first heat exchange module, the liquid after liquefaction is by steaming by heat exchange liquefaction During the flow downwards for sending out device, the dirt of evaporator surface can be washed away, and then realize the cleaning to evaporator.

It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.

The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

It should be noted that in the claims, any reference symbol between parentheses should not be configured to power The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component Word "a" or "an" does not exclude the presence of multiple such components.The present invention can be by means of including several different components It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not Indicate any sequence.These words can be construed to title.

Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.

Obviously, various changes and modifications can be made to the invention without departing from right of the present invention by those skilled in the art It is required that and its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.

Claims

1. a kind of air conditioner characterized by comprising

Air-conditioner shell, correspondence offers air inlet and multiple air outlets on the air-conditioner shell；

Multiple fan assemblies are arranged close to the multiple air outlet, including the first fan assembly and the second fan assembly；

Evaporator is arranged close to the air inlet, including the first evaporation module arranged side by side from top to bottom and the second evaporation mold Block, the first evaporation module are correspondingly arranged with first fan assembly, the second evaporation module and second blower Component is correspondingly arranged,

Wherein, the cold medium flux of the first evaporation module is reduced by control and/or control reduces first fan assembly Revolving speed, with the frosting on first heat exchange module, after frosting, control increase it is described first evaporation module cold medium flux And/or control increases the revolving speed progress defrost of first fan assembly, to generate the condensed fluid for cleaning the evaporator.

2. air conditioner according to claim 1, which is characterized in that further include:

Controller is electrically connected between the multiple fan assembly respectively；

The inlet flow road of the first evaporation module is provided with the first electric expansion valve, the inlet flow of the second evaporation module Road is provided with the second electric expansion valve, first electric expansion valve and second electric expansion valve respectively with the control It is electrically connected between device,

Wherein, the aperture of first electric expansion valve is reduced by controller control and/or increases second electronics The aperture of expansion valve reduces the cold medium flux of the first evaporation module, so that the first evaporation Modular surface frosting.

3. air conditioner according to claim 2, which is characterized in that

The controller is also used to: after the evaporator surface frosting, if detecting in the tube temperature of the first evaporation module Default tube temperature threshold value is risen to, control increases the aperture of first electric expansion valve, to form liquid by defrosting operation.

4. air conditioner according to claim 2, which is characterized in that

The multiple air outlet includes the upper air outlet for being set to the top of the air-conditioner shell, and is set on described Lower air outlet below wind, first fan assembly are correspondingly arranged at the upper air outlet, and second fan assembly is corresponding It is arranged in the lower air outlet；

The controller is also used to: during cleaning the evaporator, the wind speed for controlling first fan assembly is small It is run in the wind speed of second fan assembly, to carry out refrigeration air-supply by the execution of the second fan assembly.

5. air conditioner according to claim 2, which is characterized in that

First fan assembly is formed by constructing to the first blower of rotation with the second blower, first blower and described second Blower is axial flow blower or diagonal flow fan, and first blower is arranged close to the evaporator, and second blower is close to described Air outlet setting；

Second fan assembly is any one in single axial flow blower, diagonal flow fan, cross flow fan or centrifugal blower.

6. air conditioner according to claim 5, which is characterized in that

The controller is also used to: the revolving speed for controlling to adjust first blower is greater than or equal to the revolving speed of second blower, And the rotating speed difference between the revolving speed of first blower and the revolving speed of second blower is less than or equal to rotational speed difference threshold value,

Wherein, the rotational speed difference threshold value is true according to the dimensional parameters of first blower and the dimensional parameters of second blower It is fixed.

7. the air conditioner according to any one of claim 2 to 6, which is characterized in that further include:

Temperature Humidity Sensor is electrically connected between the controller, and the Temperature Humidity Sensor is for acquiring environment temperature and ring Border humidity,

Wherein, if the controller detects that the environment temperature is greater than preset temperature threshold and the ambient humidity is greater than First environment humidity threshold adjusts the aperture of first electric expansion valve and/or the wind speed of first fan assembly, to open Dynamic clean operation controls knot if the controller detects that the ambient humidity deteriorates to less than second environment humidity threshold Beam clean operation, the first environment humidity threshold are greater than the second environment humidity threshold.

8. the air conditioner according to any one of claim 2 to 6, which is characterized in that further include:

Compressor is electrically connected between the controller, and is connect with the evaporator by refrigerant flow,

Wherein, the controller is also used to: before carrying out clean operation, according to the tube temperature of the first evaporation module, air inlet Return air temperature and the running frequency of the compressor adjust the aperture of first electric expansion valve, and/or according to described It is swollen that tube temperature, the return air temperature of air inlet and the running frequency of the compressor of second evaporation module adjust second electronics The aperture of swollen valve.

9. a kind of cleaning control method is suitable for such as air conditioner described in any item of the claim 1 to 8, in the air conditioner Air inlet and multiple air outlets between setting evaporator and multiple fan assemblies, the multiple fan assembly includes the first blower Component and the second fan assembly, the evaporator include the first evaporation module being correspondingly arranged with first fan assembly, with And the second evaporation module being correspondingly arranged with second fan assembly, which is characterized in that the cleaning control method includes:

If detecting, the cold medium flux for reducing the first evaporation module and/or control are controlled into cleaning mode reduces institute The revolving speed of the first fan assembly is stated, with the frosting on first heat exchange module；

After frosting, control increases the cold medium flux of the first evaporation module and/or control increases first fan assembly Revolving speed carry out defrost, to generate the condensed fluid for cleaning the evaporator.

10. cleaning control method according to claim 9, which is characterized in that be provided with control in the first evaporation module First electric expansion valve of cold medium flux processed, it is described second evaporation module on be provided with the second electric expansion valve, if the detection To cleaning mode is entered, then controls the cold medium flux for reducing the first evaporation module and/or control reduces first blower The revolving speed of component is specifically included with the frosting on first heat exchange module:

After entering the cleaning mode, control reduces the aperture of first electric expansion valve, to reduce first evaporation The cold medium flux of module reduces the evaporating pressure of first heat exchange module, the frosting on first heat exchange module.

11. cleaning control method according to claim 10, which is characterized in that after frosting, control increases described first The revolving speed that the cold medium flux and/or control for evaporating module increase first fan assembly carries out defrost, specifically includes:

If detecting, the tube temperature of the first evaporation module rises to default tube temperature threshold value, and control increases first electronic expansion The aperture of valve, to form the liquid by defrosting.

12. cleaning control method according to claim 10, which is characterized in that further include:

According to the first evaporation tube temperature of module, the delivery temperature of compressor, the return air temperature of the air inlet and described At least one of in the running frequency of compressor, the aperture regulation parameter of first electric expansion valve is determined, according to Aperture regulation parameter regulation aperture, the frosting on first heat exchange module.

13. cleaning control method according to claim 10, which is characterized in that the multiple air outlet includes and described The corresponding upper air outlet of one fan assembly, described after entering the cleaning mode, control reduces first electric expansion valve Aperture, with reduce it is described first evaporation module cold medium flux, reduce the evaporating pressure of first heat exchange module, in institute State frosting on the first heat exchange module, further includes:

After the aperture that control reduces first electric expansion valve, according to the relationship between environment temperature and second temperature threshold value The operational taps of determining the first fan assembly corresponding with the upper air outlet.

14. cleaning control method according to claim 13, which is characterized in that the operational taps include high wind file, in High wind file, middle wind file, middle low wind file and low wind file, the relationship according between environment temperature and second temperature threshold value determine The operational taps of the first fan assembly corresponding with the upper air outlet, specifically include:

In the case where detecting that the environment temperature is less than or equal to second temperature threshold value, control first fan assembly with The corresponding revolving speed operation of the low wind file；

In the case where detecting that the environment temperature is greater than the second temperature threshold value, first fan assembly is controlled with institute State the corresponding revolving speed operation of middle low wind file.

15. cleaning control method according to claim 11, which is characterized in that if described detect first evaporation mold The tube temperature of block rises to default tube temperature threshold value, and control increases the aperture of first electric expansion valve, to form institute by defrosting State liquid, further includes:

After the aperture that control increases first electric expansion valve, the operational taps of first fan assembly are raised in control, To carry out defrost.

16. cleaning control method according to claim 13, which is characterized in that multiple air outlets further include and described second The corresponding lower air outlet of fan assembly, the cleaning control method further include:

After entering the cleaning mode, second fan assembly is controlled by the lower air outlet and carries out refrigeration air-supply,

Wherein, the operational taps of second fan assembly are higher than the operational taps of first fan assembly.

17. the cleaning control method according to any one of claim 9 to 16, which is characterized in that entering the cleaning Before mode, further includes:

Detecting that current environment temperature is greater than the first temperature threshold and current ambient humidity is greater than default first humidity In the case where threshold value, the air conditioner is controlled into the cleaning mode；And

In the case where detecting the ambient humidity less than the second humidity threshold, controls the air conditioner and exit the cleaning mould Formula；

After exiting the cleaning mode, the air conditioner is out of service or the multiple air outlet carries out refrigeration air-supply,

Wherein, second humidity threshold is less than first humidity threshold.

18. the cleaning control method according to any one of claim 9 to 16, which is characterized in that entering the cleaning Before mode, further includes:

In the case where detection receives the cleaning instruction of remote control equipment transmission, the air conditioner is controlled into the cleaning mould Formula.

19. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program The step of being performed, realizing the cleaning control method as described in any one of claim 9 to 18.