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CN109323426A - Air conditioner control method and air conditioner - Google Patents

Air conditioner control method and air conditioner Download PDF

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Publication number
CN109323426A
CN109323426A CN201811332727.4A CN201811332727A CN109323426A CN 109323426 A CN109323426 A CN 109323426A CN 201811332727 A CN201811332727 A CN 201811332727A CN 109323426 A CN109323426 A CN 109323426A
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CN
China
Prior art keywords
air conditioner
control method
temperature
threshold
speed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811332727.4A
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Chinese (zh)
Other versions
CN109323426B (en
Inventor
邱嵩
高波
李永鹏
孙亚楠
魏向阳
张洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Priority to CN201811332727.4A priority Critical patent/CN109323426B/en
Publication of CN109323426A publication Critical patent/CN109323426A/en
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Publication of CN109323426B publication Critical patent/CN109323426B/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
    • 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
    • F24F11/65Electronic processing for selecting an operating mode
    • 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
    • F24F11/56Remote control
    • 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
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to air-conditioning technique fields, and in particular to a kind of control method and air conditioner of air conditioner.Purport of the present invention solves the problems, such as that condenser is susceptible to plugging under dust and sand weather.For this purpose, air conditioner of the invention includes sequentially connected compressor, condenser, throttling set and evaporator, condenser arrangement has outer blower, evaporator is configured with inner blower, air conditioner further includes decompression branch, the both ends of decompression branch are connected to the air entry of the liquid outlet of throttling set and compressor respectively, and decompression branch road is provided with valve system, and control method includes: to obtain the operational mode of air conditioner;When operational mode is sand and dust mode, outer blower fall-back is controlled;While outer blower starts reduction of speed, before or after, control valve mechanism opening.By above-mentioned control mode, the control method of air conditioner of the invention can reduce the sucking of dust storm in outdoor unit, improve the service life of air conditioner under the premise of guaranteeing the operational effect of air conditioner.

Description

The control method and air conditioner of air conditioner
Technical field
The present invention relates to air-conditioning technique fields, and in particular to a kind of control method and air conditioner of air conditioner.
Background technique
Currently, air-conditioning using very extensive, be increasingly becoming essential household electrical appliance in people's summer.But for For the area of certain particular surroundings, air conditioner remains some problems at runtime.
For example, due to long-term high temperature, air conditioner needs to continuously run for a long time for the area such as Middle East, but It is and due to the weather feature of the windy and dusty sandy dust storm in this area, so that air conditioner outer blower sucking during long time running Situations such as a large amount of sand and dust are simultaneously attached to condenser surface, and the accumulation of sand and dust causes condenser to block, seriously affects production The operational effect and service life of product.
Correspondingly, this field needs a kind of control method of new air conditioner to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve the problems, such as that condenser is susceptible to plugging under dust and sand weather, The present invention provides a kind of control method of air conditioner, the air conditioner includes sequentially connected compressor, condenser, throttling dress It sets and evaporator, the condenser arrangement has outer blower, the evaporator is configured with inner blower, and the air conditioner further includes decompression The both ends of branch, the decompression branch are connected to the air entry of the liquid outlet of the throttling set and the compressor respectively, institute It states decompression branch road and is provided with valve system, the control method includes:
Obtain the operational mode of the air conditioner;
When the operational mode is sand and dust mode, the outer blower fall-back is controlled;
While the outer blower starts reduction of speed, before or after, control the valve system and open.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the control method further include:
While the outer blower starts reduction of speed, before or after, control the compressor and maintain current operation frequency Rate.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the step of " control the outer blower fall-back " Further comprise:
The revolving speed for controlling the outer blower is reduced to the 50%-70% of current rotating speed.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the step of " control the outer blower fall-back " Later, the control method further include:
Every the duration of setting, the coil temperature of the evaporator is obtained;
Based on the coil temperature, the inner blower fall-back is selectively controlled.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " it is based on the coil temperature, is selectively controlled The step of inner blower fall-back ", further comprises:
Compare the size of temperature threshold corresponding to the coil temperature and the current gear of the inner blower;
If the coil temperature is less than the temperature threshold, controls the inner blower and be reduced to next gear;
Otherwise, it controls the inner blower and maintains current gear.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " if the coil temperature is less than the temperature Threshold value then controls the inner blower and is reduced to next gear " the step of further comprise:
If the coil temperature is less than the temperature threshold, whether the current gear of the inner blower is further judged For minimum gear;
If it is, controlling the inner blower maintains current gear;
Otherwise, it controls the inner blower and is reduced to next gear.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the gear of the inner blower includes high speed, middling speed And low speed, accordingly the temperature threshold includes first threshold, second threshold and third threshold value, the first threshold, described Two threshold values and the third threshold value successively reduce.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the valve system is solenoid valve.
The present invention also provides a kind of air conditioner, the air conditioner includes controller, and the controller is configured to hold Control method described in any one of above-mentioned optimal technical scheme of row.
In the optimal technical scheme of above-mentioned air conditioner, the air conditioner further includes remote controler, the remote controler with it is described Controller connects, and the free sand and dust mode key of society, described distant when the sand and dust mode key is pressed on the remote controler It controls device and sends instruction to the controller, which enables the controller to adjust the operational mode of the air conditioner as institute State sand and dust mode.
It will be appreciated to those of skill in the art that air conditioner includes successively connecting in the preferred technical solution of the present invention Compressor, condenser, throttling set and the evaporator connect, condenser arrangement have outer blower, and evaporator is configured with inner blower, air-conditioning Device further includes decompression branch, and the both ends for depressurizing branch are connected to the air entry of the liquid outlet of throttling set and compressor respectively, subtract Pressure branch road is provided with valve system, and control method includes: to obtain the operational mode of air conditioner;It is sand and dust mode in operational mode When, control outer blower fall-back;While outer blower starts reduction of speed, before or after, control valve mechanism opening and control Compressor processed maintains current running frequency.
By above-mentioned control mode, the control method of air conditioner of the invention can guarantee the operational effect of air conditioner Under the premise of, the sucking of dust storm in outdoor unit is reduced, the service life of air conditioner is improved.Specifically, under dust and sand weather, air-conditioning Device enter sand and dust mode, at this time by control outer blower fall-back while, before or after, control valve mechanism opening is simultaneously And control compressor maintains current running frequency, control method of the invention can make in air-conditioning system after throttling set Liquid refriger-ant section enter evaporator, remaining liquid refrigerant directly pass through decompression branch from the air entry of compressor enter Gas-liquid separator and give air-conditioning system unloading, reduce the suction temperature of compressor, ensure that compressor is transported in outer blower reduction of speed It can be continued working when row, thus under the premise of not influencing user's using effect, hence it is evident that the sucking air quantity for reducing outdoor unit, into And a large amount of sand and dust can be sucked to avoid outdoor unit, it avoids condenser situation dirty plugging from occurring, extends the service life of air conditioner, Improve the usage experience of user.
Detailed description of the invention
The control method and air conditioner of air conditioner of the invention described with reference to the accompanying drawings.In attached drawing:
Fig. 1 is the system schematic of air conditioner of the invention;
Fig. 2 is the flow chart of the control method of air conditioner of the invention;
Fig. 3 is the logic chart of the control method of air conditioner of the invention.
Reference signs list
1, compressor;2, condenser;3, throttling set;4, evaporator;5, outer blower;6, inner blower;7, branch is depressurized;8, Valve system.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.Although for example, Valve system in attached drawing is to be described by taking solenoid valve as an example, but this set form is non-unalterable, art technology Personnel, which can according to need, makes adjustment to it, to adapt to specific application.For example, valve system can also be that electronics is swollen Swollen valve etc..
It should be noted that in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical", The direction of the instructions such as "horizontal", "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this It is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with specific Orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used In description purpose, it is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be Concrete meaning in the present invention.
With reference first to Fig. 1 and Fig. 2, the control method of air conditioner of the invention is described.Wherein, Fig. 1 is the present invention Air conditioner system schematic;Fig. 2 is the flow chart of the control method of air conditioner of the invention.
As shown in Figure 1, to solve the problems, such as that condenser 2 is easy blocking when existing air conditioner is run in Sand Dust Environment, this The air conditioner of invention mainly includes controller and passes through the sequentially connected compressor 1 of pipeline, condenser 2, throttling set 3 and steam Device 4 is sent out, condenser 2 is configured with outer blower 5, and evaporator 4 is configured with inner blower 6, is filled with refrigerant in pipeline, refrigerant is being pressed Under the drive of contracting machine 1, the refrigeration to indoor environment is realized by the circulation in above-mentioned each component.Wherein throttling set 3 is electricity Sub- expansion valve.Particularly, air conditioner further includes decompression branch 7, depressurizes the both ends liquid outlet with throttling set 3 respectively of branch 7 It is connected to the air entry of compressor 1, namely is connected in parallel with evaporator 4.Wherein, gas of the decompression branch 7 preferably with compressor 1 The inlet communication of liquid/gas separator, throttling branch road are additionally provided with valve system 8, and valve system 8 is solenoid valve.Controller can control sky Device is adjusted to switch between different operational modes, the power on/off and operating parameter of control compressor 1, outer blower 5 and inner blower 6, And the aperture of control throttling set 3 and valve system 8.In addition, air conditioner is also configured with remote controler, remote controler passes through with controller The wireless modes such as infrared or bluetooth connect, and are provided with " sand and dust mode " key, (or Sand key), in " sand and dust on remote controler When mode " key is pressed, remote controler sends to controller and instructs, so that controller can be cut based on instruction control air conditioner Changing operational mode is sand and dust mode.
As shown in Fig. 2, control method of the invention mainly comprises the steps that under the set-up mode of above-mentioned air conditioner
S100, the operational mode for obtaining air conditioner, for example, controller directly transfers the operational mode of current air-conditioning;
S200, when operational mode is sand and dust mode, control outer 5 fall-back of blower, for example, controller transfer it is current Judged after operational mode, if current operational mode is sand and dust mode, controls outer 5 fall-back of blower, such as will The revolving speed of outer blower 5 is reduced to the 60% of current rotating speed, and certainly, the specific value of the revolving speed reduction of outer blower 5 is simultaneously not exclusive, this Field technical staff can be modified it, such as can also be by outer blower 5 so as to its adaptation and more specifical application scenarios Revolving speed be reduced to the 50%-70% or more low of current rotating speed, as long as the revolving speed of the outer blower 5 reduce after be not in by It is increased and the phenomenon that cause air conditioner pressure protection that can not operate in the system pressure of air conditioner;
S300, outer blower 5 start reduction of speed while, before or after, control valve system 8 open, such as opened in outer blower 5 Before beginning reduction of speed, control valve system 8 is opened, and makes to depressurize the conducting of branch 7, system pressure when can reduce outer 5 reduction of speed of blower in this way The impact to compressor 1 is increased, it is of course also possible to which control valve system 8 is opened while outer blower 5 starts reduction of speed or later;
S400, outer blower 5 start reduction of speed simultaneously, before or after, control compressor 1 maintain current running frequency, Such as after outer blower 5 starts reduction of speed, in the operational process of entire sand and dust mode, control compressor 1 maintains current operation frequency Rate operation, it is of course also possible to outer blower 5 start reduction of speed while or before, maintain compressor 1 running frequency.
It can be seen from the above description that control method of the invention is by dust and sand weather, switching the fortune of air conditioner Row mode is sand and dust mode, can reduce the revolving speed of outer blower 5, to reduce outdoor unit under the premise of guaranteeing refrigeration effect The accumulation of sand and dust, improves the service life of air conditioner in the sucking of middle dust storm and condenser 2.Specifically, under dust and sand weather, Air conditioner enter sand and dust mode, at this time by control outer 5 fall-back of blower while, before or after, control valve system 8 The running frequency that compressor 1 remains current is opened and controls, control method of the invention can make in air-conditioning system through celebrating a festival Liquid refriger-ant section after stream device 3 enters evaporator 4, remaining liquid refrigerant directly passes through decompression branch 7 from compressor 1 Air entry enter gas-liquid separator and give air-conditioning system unloading, reduce the suction temperature of compressor 1, ensure that compressor 1 It can be continued working in outer 5 fall-back of blower, thus under the premise of not influencing user's using effect, hence it is evident that reduce outdoor The sucking air quantity of machine, and then a large amount of sand and dust can be sucked to avoid outdoor unit, it avoids the situation dirty plugging of condenser 2 from occurring, extends The service life of air conditioner improves the usage experience of user.
Need to illustrate when, although the control unit of air conditioner is not specifically introduced in present embodiment, ability Field technique personnel physically can be, it is understood that the form of this control unit and not exclusive and be set to indoor unit In control chip, can be dedicated for executing the controller of method of the invention, be also possible to general air conditioning controller One functional module or functional unit.
Further below referring to Figures 1 and 2, control method of the invention is further elaborated.
As depicted in figs. 1 and 2, in a kind of possible embodiment, after step S200, control method further include:
Every the duration of setting, the coil temperature of evaporator 4 is obtained;Based on coil temperature, inner blower 6 is selectively controlled Fall-back.Specifically, such as being run after five minutes, the operating status of air-conditioning after air-conditioning runs a period of time with wind erosion model It is stable, the coil pipe of evaporator 4 is obtained by the way that the temperature sensor on 4 coil pipe of evaporator or near coil pipe is arranged at this time Temperature, and compare the size of temperature threshold corresponding to the coil temperature and the current gear of inner blower 6, and based on comparative result 6 fall-back of control inner blower of selectivity.For example, the gear of inner blower 6 is divided into a kind of relatively preferred embodiment At a high speed, middling speed and low speed, temperature threshold correspond to above three gear and respectively include first threshold, second threshold and third threshold value, First threshold, second threshold and third threshold value successively reduce.After obtaining coil temperature, controller can be based on current inner blower Gear where 6 determines corresponding temperature threshold, then compares the size of coil temperature and temperature threshold, if coil temperature is small In corresponding temperature threshold, then further judge whether the gear of current inner blower 6 is lowest gear, if it is, in control Blower 6 maintains lowest gear, and otherwise, control inner blower 6 is reduced to next gear, is then spaced to repeat to obtain after five minutes and steam The coil temperature of hair device 4 is determined again.
The advantages of above-mentioned control mode is: firstly, since the wind speed of inner blower 6 is lower, the heat exchange amount of refrigerant is got over Few, the refrigerant temperature for returning to compressor 1 accordingly is lower, and then the refrigerant temperature of entire air-conditioning system all drops accordingly It is low, the operating pressure of compressor 1 can be further decreased, guarantees that compressor 1 continues working.Secondly as refrigerant temperature drops Low, the temperature of evaporator 4 is also maintained at lower level, and room air is after 4 heat exchange of evaporator leaving air temp also substantially It reduces, to guarantee that the sendible temperature of user is low, user experience is substantially improved.
Certainly, it will be appreciated to those of skill in the art that above-mentioned preferred embodiment is only intended to illustrate the present invention Principle, it is not intended that in limiting the scope of the invention, under conditions of without departing from the principle of the invention, those skilled in the art Member can be adjusted above-mentioned control mode, so that it is suitable for more specifical application scenarios.
For example, " sand and dust mode " key is in addition to being separately provided on a remote control, also in a kind of interchangeable embodiment It can be integrated together with " mode " key of remote controler, or setting, indoors on machine etc., the adjustment of this set position is simultaneously Without departing from the principle of the present invention.
For another example, in another alternatively embodiment, throttling set 3 can also be common in addition to electric expansion valve Expansion valve or solenoid valve etc.;Valve system 8 is in addition to solenoid valve, it is clear that can also can pass through control unit control using electric expansion valve etc. Make the valves parts of opening and closing;Remote controler except with controller wirelessly in addition to, naturally it is also possible to connected by wired mode.
For another example, in another alternatively embodiment, duration is set in addition to 5 minutes, can also be any duration, only Will the setting of the duration can guarantee that the operating status of air conditioner is stable.
For another example, in another alternatively embodiment, the numbers of gear steps of inner blower 6, the specific value of temperature threshold Deng can be adjusted based on practical application scene, these adjustment each fall within this hair without deviating from the principle of the present invention Among bright protection scope.
For another example, in another alternatively embodiment, " it is based on coil temperature, selectively controls 6 reduction of speed of inner blower The step of operation ", can be with are as follows: while comparing coil temperature and first threshold, the size of second threshold and third threshold value;According to Comparison result adjusts the revolving speed of inner blower 6.For example, when coil temperature is less than first threshold and is greater than second threshold, in control Blower 6 drops to middling speed operation;If the coil temperature obtained again after five minutes is greater than first threshold or still in first threshold Between second threshold, then maintain the gear of current inner blower 6 constant, if the coil temperature obtained again after five minutes is less than Second threshold and when being greater than third threshold value or coil temperature and being less than third threshold value, then directly control inner blower 6 and drop to low speed Operation.
For another example, judge the step of whether inner blower 6 is in lowest gear in addition to " judging whether coil temperature is less than temperature Outside carrying out after threshold value ", after obtaining 4 coil temperature of evaporator and it can also judge whether coil temperature is less than temperature threshold It is carried out before value;Or the step is adjusted to carrying out when having just enter into wind erosion model etc., the adjustment of the execution sequence of this step Without deviating from the principle of the present invention.
Referring to Fig. 3, a kind of control process of control method of the invention is described.Wherein, Fig. 3 is the present invention Air conditioner control method logic chart.
As shown in figure 3, air conditioner is run in a chiller mode in a kind of possible embodiment, and 6 gear of inner blower is At a high speed.Under sand and dust or sandstorm weather, user presses the Sand key on remote controler, and controller switches the operational mode of air conditioner For sand and dust mode, i.e. opens solenoid valve makes to depressurize the conducting of branch 7, the 60% of outer 5 reduction of speed of blower of control to current rotating speed, Yi Jiwei It is constant to hold 1 frequency of current compressor;After five minutes, controller obtains the coil temperature of evaporator 4, if coil temperature is small for operation In first threshold, then the downshift of controller control inner blower 6 to mid ranger;After five minutes, the coil temperature of evaporator 4 is steady for operation It is fixed, the coil temperature of evaporator 4 is acquired again at this time, if coil temperature is less than second threshold at this time, in controller control Blower 6 is downshifted again to bottom gear;After five minutes, 4 coil temperature of evaporator is stablized for operation, acquires 4 coil pipe of evaporator again at this time Temperature, if coil temperature is less than third threshold value at this time, since inner blower 6 has been in lowest gear, controller control at this time Inner blower 6 processed maintains bottom gear operation.6 wind speed of air conditioner inner fan is small at this time, and outlet air sendible temperature is low, meets the system of user Cold demand.
In addition, the controller of the air conditioner is able to carry out any of the above-described embodiment party the present invention also provides a kind of air conditioner Control method described in formula.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these Technical solution after change or replacement will fall within the scope of protection of the present invention.

Claims (10)

1.一种空调器的控制方法,其特征在于,所述空调器包括依次连接的压缩机、冷凝器、节流装置和蒸发器,所述冷凝器配置有外风机,所述蒸发器配置有内风机,所述空调器还包括减压支路,所述减压支路的两端分别与所述节流装置的出液口和所述压缩机的吸气口连通,所述减压支路上设置有阀机构,所述控制方法包括:1. A control method for an air conditioner, wherein the air conditioner comprises a compressor, a condenser, a throttling device and an evaporator connected in sequence, the condenser is configured with an outdoor fan, and the evaporator is configured with an external fan. The air conditioner also includes a decompression branch, two ends of the decompression branch are respectively connected with the liquid outlet of the throttling device and the suction port of the compressor, and the decompression branch A valve mechanism is arranged on the road, and the control method includes: 获取所述空调器的运行模式;obtaining the operating mode of the air conditioner; 在所述运行模式为沙尘模式时,控制所述外风机降速运行;When the operation mode is the sand-dust mode, controlling the outdoor fan to run at a reduced speed; 在所述外风机开始降速的同时、之前或之后,控制所述阀机构打开。The valve mechanism is controlled to open at the same time as, before or after the outdoor fan starts to decelerate. 2.根据权利要求1所述的空调器的控制方法,其特征在于,所述控制方法还包括:2. The control method of an air conditioner according to claim 1, wherein the control method further comprises: 在所述外风机开始降速的同时、之前或之后,控制所述压缩机维持当前的运行频率。The compressor is controlled to maintain the current operating frequency at the same time, before or after the outdoor fan starts to decelerate. 3.根据权利要求1所述的空调器的控制方法,其特征在于,“控制所述外风机降速运行”的步骤进一步包括:3. The control method of an air conditioner according to claim 1, wherein the step of "controlling the speed reduction operation of the outdoor fan" further comprises: 控制所述外风机的转速降低至当前转速的50%-70%。The rotation speed of the outdoor fan is controlled to be reduced to 50%-70% of the current rotation speed. 4.根据权利要求1至3中任一项所述的空调器的控制方法,其特征在于,“控制所述外风机降速运行”的步骤之后,所述控制方法还包括:4. The control method of an air conditioner according to any one of claims 1 to 3, wherein after the step of "controlling the outdoor fan to run at a reduced speed", the control method further comprises: 每隔设定的时长,获取所述蒸发器的盘管温度;Obtain the coil temperature of the evaporator every set period of time; 基于所述盘管温度,选择性地控制所述内风机降速运行。Based on the temperature of the coil, the internal fan is selectively controlled to operate at a reduced speed. 5.根据权利要求4所述的空调器的控制方法,其特征在于,“基于所述盘管温度,选择性地控制所述内风机降速运行”的步骤进一步包括:5. The control method of an air conditioner according to claim 4, wherein the step of "selectively controlling the speed reduction operation of the internal fan based on the temperature of the coil" further comprises: 比较所述盘管温度与所述内风机当前的档位所对应的温度阈值的大小;comparing the temperature of the coil and the temperature threshold corresponding to the current gear of the indoor fan; 如果所述盘管温度小于所述温度阈值,则控制所述内风机降低至下一档位;If the temperature of the coil is less than the temperature threshold, controlling the internal fan to reduce to the next gear; 否则,控制所述内风机维持在当前的档位。Otherwise, control the indoor fan to maintain the current gear. 6.根据权利要求5所述的空调器的控制方法,其特征在于,“如果所述盘管温度小于所述温度阈值,则控制所述内风机降低至下一档位”的步骤进一步包括:6. The control method of an air conditioner according to claim 5, wherein the step of "if the temperature of the coil is lower than the temperature threshold, control the indoor fan to lower to the next gear" further comprises: 如果所述盘管温度小于所述温度阈值,则进一步判断所述内风机当前的档位是否为最低的档位;If the coil temperature is less than the temperature threshold, further determine whether the current gear of the indoor fan is the lowest gear; 如果是,则控制所述内风机维持在当前的档位;If yes, control the internal fan to maintain the current gear; 否则,控制所述内风机降低至下一档位。Otherwise, the indoor fan is controlled to be lowered to the next gear. 7.根据权利要求5所述的空调器的控制方法,其特征在于,所述内风机的档位包括高速、中速和低速,对应地所述温度阈值包括第一阈值、第二阈值和第三阈值,所述第一阈值、所述第二阈值和所述第三阈值依次降低。7 . The control method of an air conditioner according to claim 5 , wherein the gears of the indoor fan include high speed, medium speed and low speed, and correspondingly the temperature threshold includes a first threshold, a second threshold and a first threshold. 8 . Three thresholds, the first threshold, the second threshold and the third threshold are sequentially decreased. 8.根据权利要求1所述的空调器的控制方法,其特征在于,所述阀机构为电磁阀。8. The control method of an air conditioner according to claim 1, wherein the valve mechanism is a solenoid valve. 9.一种空调器,所述空调器包括控制器,其特征在于,所述控制器配置成能够执行权利要求1至8中任一项所述的控制方法。9. An air conditioner comprising a controller, wherein the controller is configured to be able to execute the control method of any one of claims 1 to 8. 10.根据权利要求9所述的空调器,其特征在于,所述空调器还包括遥控器,所述遥控器与控制器连接,所述遥控器上设置有沙尘模式按键,当所述沙尘模式按键被按下时,所述遥控器向所述控制器发送指令,该指令使得所述控制器能够调整所述空调器的运行模式为所述沙尘模式。10 . The air conditioner according to claim 9 , wherein the air conditioner further comprises a remote controller, the remote controller is connected to the controller, and a sand and dust mode button is provided on the remote controller. When the dust mode button is pressed, the remote controller sends an instruction to the controller, and the instruction enables the controller to adjust the operation mode of the air conditioner to the dust mode.
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