CN111550902B - Control method and control device of air conditioner, storage medium, indoor unit and air conditioner - Google Patents

Control method and control device of air conditioner, storage medium, indoor unit and air conditioner Download PDF

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Publication number
CN111550902B
CN111550902B CN202010285998.XA CN202010285998A CN111550902B CN 111550902 B CN111550902 B CN 111550902B CN 202010285998 A CN202010285998 A CN 202010285998A CN 111550902 B CN111550902 B CN 111550902B
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preset
frequency
guide door
compressor
air conditioner
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CN111550902A (en
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陈伟
华婷婷
胡洪昊
颜景旭
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature

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

Abstract

The invention provides a control method and a control device of an air conditioner, a storage medium, an indoor unit and the air conditioner, wherein the control method comprises the following steps: after the air conditioner enters the air-dispersing mode, controlling an air guide door of the air conditioner to be in a first mode; according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value delta T between the two values, and the running frequency f of the compressor of the air conditioner is controlled; according to the running frequency f and the first preset frequency f of the compressorPreset 1The relation between the wind guide door and the wind guide door controls whether the wind guide door is in the second mode or not; when the operating frequency f of the compressor is equal to the first predetermined frequency fPreset 1The relationship between them is: f is not less than fPreset 1When the air guide door is in the first mode, controlling the air guide door to be in the second mode; in the first mode, at least one air guide door is in a closed state, and a through hole is formed in the air guide door in the closed state; in the second mode, at least one of the dampers is adjusted from being in the closed condition to being in the open angular condition. The invention can give consideration to both comfort and refrigeration effect and maintain a comfortable state for a long time.

Description

Control method and control device of air conditioner, storage medium, indoor unit and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and a control device of an air conditioner, a storage medium, an indoor unit and the air conditioner.
Background
When the air conditioner is used for refrigeration or dehumidification, if cold air blows to a human body, discomfort can be caused to the human body. The specification in national standard 33658: the higher the speed of the cooling air blown to the human body and the lower the temperature, the higher the blowing sensation index and the lower the evaluation score. As the comfort of the air conditioner is more and more required by users, how to improve the comfort of the air conditioner without reducing the cooling effect of the air conditioner becomes a subject of intensive research in the field.
Some air conditioners on the market at present use the scheme that micropore air guide door or air guide door close the state to reach the effect of certain comfortable wind, but because can't maintain indoor temperature for a long time, the air conditioner has to jump out of original mode to the jump out of comfortable wind state leads to comfortable wind mode inefficacy, and the user thinks the air conditioner program trouble by mistake, and indoor temperature fluctuation increases, and user experience is poor.
Disclosure of Invention
In order to solve at least one problem that an air conditioner cannot give consideration to both comfort and refrigeration effect and cannot maintain a comfortable state for a long time, the invention provides a control method of the air conditioner, which comprises the following steps:
after the air conditioner enters an air-comforting mode, controlling an air guide door of the air conditioner to be in a first mode;
according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference between the two, controlling the running frequency f of the compressor of the air conditioner;
when the operating frequency f of the compressor is equal to a first preset frequency fPreset 1The relationship between them is: f is not less than fPreset 1When the air guide door is in the second mode, the air guide door is controlled to be in the second mode;
in the first mode, at least one air guide door is in a closed state, and a through hole is formed in the air guide door in the closed state;
in the second mode, at least one of the dampers is adjusted from being in the closed state to being in an open angle state.
This kind of mode, after the air conditioner entered into the mode of dispersing the wind, when the wind-guiding door was located first mode, can realize that cold wind does not blow people's effect, and the indoor refrigerating output of input this moment can receive the influence of wind-guiding door position, and in order to reduce the production of influence, through according to indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value delta T is used as a basis to realize the control of the running frequency f of the compressor so as to solve the problem of the influence of the refrigerating capacity, but after the refrigerating capacity rises, the problem of condensation at the air guide door and the air outlet can be brought at the same time, and the running frequency f of the compressor and the first preset frequency f are combined at the momentPreset 1The relationship between the air guide door and the air guide door realizes the control on whether the air guide door is positioned in the second mode or not, realizes the conversion of the air guide door between the first mode and the second mode, can prevent condensation on one hand, can improve the refrigerating capacity of an input chamber on the other hand, and can effectively ensure the refrigerating effect of the air conditioner by combining the control on the operating frequency f of the compressor; the invention can effectively realize that cold air of the air conditioner does not blow people, simultaneously ensure the refrigeration effect of the air conditioner, maintain the comfortable state that the cold air does not blow people for a long time and effectively improve the use comfort level of users.
Alternatively, the "according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between, controlling the operating frequency f "of the compressor of the air conditioner comprises the steps of:
when the delta T is larger than or equal to a, controlling the running frequency f of the compressor to be increased;
controlling the operating frequency f of the compressor to be unchanged when b < | DeltaT | < a;
and when delta T is less than or equal to b, controlling the running frequency f of the compressor to be reduced.
In this way, when DeltaT is more than or equal to a, the indoor environment temperature T is indicatedInner ringGreater than predeterminedTemperature TPreset ofa, indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference is large, the refrigerating capacity of the air conditioner is insufficient at the moment, the indoor air output is increased and the indoor environment temperature T is reduced by increasing the running frequency f of the compressor at the momentInner ring(ii) a When delta T is less than or equal to b, the indoor environment temperature T is illustratedInner ringLess than a predetermined temperature TPreset ofb, the refrigerating capacity of the air conditioner reaches or exceeds the requirement at the moment, and the indoor air output is reduced by reducing the running frequency f of the compressor at the moment so as to ensure that the indoor environment temperature TInner ringThe descending speed is in a proper range; when b < | delta T | < a, the indoor environment temperature T is indicatedInner ringAnd a predetermined temperature TPreset ofMaintaining the indoor environment temperature T in a comfortable range by keeping the running frequency f of the compressor constantInner ring。
Optionally, the control method further includes the following steps:
when the delta T is more than or equal to a, the running frequency f and the second preset frequency f of the compressorPreset 2The relationship between them is: f. of<fPreset 2The compressor is operated at the operating frequency f; when the delta T is more than or equal to a, the running frequency f and the second preset frequency f of the compressorPreset 2The relationship between them is: f ═ fPreset 2At the second preset frequency fPreset 2Running;
when delta T is less than or equal to b, the running frequency f and a third preset frequency f of the compressorPreset 3The relationship between them is: f. of>fPreset 3The compressor is operated at the operating frequency f; when delta T is less than or equal to b, the running frequency f and a third preset frequency f of the compressorPreset 3The relationship between them is: f ═ fPreset 3At the third preset frequency fPreset 3And (5) operating.
In this way, by setting the second preset frequency fPreset 2And a third predetermined frequency fPreset 3Effectively ensuring that the running frequency f of the compressor is not greater than the second preset frequency fPreset 2And not less than a third predetermined frequency fPreset 3Further ensuring the normal operation of the compressor and the refrigeration effect of the air conditioner.
Alternatively, the "according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between, controlling the operating frequency f "of the compressor of the air conditioner comprises the steps of:
every preset time tPreset ofCalculating the indoor ambient temperature TInner ringAnd the preset temperature TPreset ofThe difference Δ T between them.
In this way, by every preset time tPreset ofTo indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value delta T between the two is calculated, so that the internal environment temperature T can be effectively avoidedInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between them is frequently calculated.
Optionally, the first preset frequency fPreset 1The relationship to the maximum operating frequency fmax of the compressor is: f. ofPreset 1＝(75％～85％)fmax。
In this way, the first preset frequency f is setPreset 1The maximum operation frequency fmax is limited to 75-85%, when the operation frequency f of the compressor is greater than or equal to (75-85%) fmax, the compressor frequency f reaches a higher level, the refrigerating capacity is high, the risk of condensation is increased, the air guide door is controlled to be in the second mode, the air outlet quantity of the air conditioner can be effectively increased, the condensation is prevented, and the indoor environment temperature T is reducedInner ring。
Optionally, the air conditioner includes an inner air guide door and an outer air guide door, the inner air guide door is disposed on the inner side of the outer air guide door, and the inner air guide door is provided with a through hole;
the first mode is as follows: the inner air guide door is in a closed state, and the outer air guide door is in a horizontal state;
the second mode is as follows: the opening angle of the inner air guide door is increased by x degrees, and the opening angle of the outer air guide door is increased by y degrees.
In the mode, the through holes are formed in the inner air guide door, so that when the air in the air duct of the air conditioner flows through the inner air guide door, the air can be smoothly disturbed, and the purpose of air comfort is achieved; the first mode is set to be the closing state of the inner air guide door, and the horizontal state of the outer air guide door can realize the purpose that cold air does not blow people through the air-comforting function of the inner air guide door; through setting up the second mode to interior air guide door opening angle increase x degree, outer air guide door opening angle increases y degree, can realize increasing the purpose of air output through the increase of interior air guide door and outer air guide door opening angle, can effectually guarantee the refrigeration effect of air conditioner, and air guide door still does not completely open the state simultaneously, can also maintain the effect of the comfortable wind of preferred.
The invention also provides a control device of the air conditioner, which executes any one of the control methods; the control device includes:
a first control unit: after the air conditioner enters an air-comforting mode, controlling an air guide door of the air conditioner to be in a first mode;
a second control unit: the second control unit is used for controlling the indoor temperature T according to the indoor environment temperatureInner ringAnd a predetermined temperature TPreset ofThe difference between the two, controlling the running frequency f of the compressor of the air conditioner;
a third control unit: the third control unit is used for controlling the running frequency f and the first preset frequency f of the compressorPreset 1The relationship between them is: f is not less than fPreset 1And when the air guide door is in the second mode, controlling the air guide door to be in the second mode.
The present invention provides a computer-readable storage medium storing a computer program which, when read and executed by a processor, implements a control method as in any one of the above.
The invention also provides an indoor unit of the air conditioner, wherein the indoor unit comprises an inner air guide door and an outer air guide door, the inner air guide door is arranged on the inner side of the outer air guide door, the inner air guide door is provided with a through hole, and the porosity of the through hole is 50-60%.
According to the structure, the through holes are formed in the inner air guide door, so that air in an air duct in the air conditioner can be smoothly disturbed when flowing through the inner air guide door, and the purpose of air comfort is achieved; the porosity of the through holes is 50% -60%, so that the refrigerating effect of the air conditioner can be effectively guaranteed.
The invention also provides an air conditioner, which executes the control method or comprises the indoor unit.
Drawings
FIG. 1 is a first flowchart of a control method of an air conditioner according to the present invention;
FIG. 2 is a second flowchart of a control method of an air conditioner according to the present invention;
FIG. 3 is a flow chart of a control method of an air conditioner according to a third embodiment of the present invention;
FIG. 4 is a fourth flowchart of a control method of an air conditioner according to the present invention;
fig. 5 is a flowchart of a control method of an air conditioner according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of an inner air guide door of an indoor unit in embodiment 4 of the present invention.
Description of reference numerals:
100-inner air guide door; 110-through hole.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in one of fig. 1 to 4, the present invention provides an air conditioner control method for optimizing a control method for solving at least one problem that an air conditioner in the prior art cannot give consideration to both comfort and refrigeration effects and cannot maintain a comfortable state for a long time, and an air conditioner using the control method of the present invention can give consideration to both comfort and refrigeration effects and can maintain a comfortable state for a long time without blowing cold air, specifically, the control method includes the following steps:
s1, after the air conditioner enters the air-comforting mode, controlling the air guide door of the air conditioner to be in the first mode;
s2, according to the indoor environment temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value delta T between the two values, and the running frequency f of the compressor of the air conditioner is controlled;
s3, according to the running frequency f and the first preset frequency f of the compressorPreset 1The relation between the wind guide door and the wind guide door controls whether the wind guide door is in the second mode or not;
s4, when the operating frequency f of the compressor is equal to the first preset frequency fPreset 1The relationship between them is: f is not less than fPreset 1When the air guide door is in the first mode, controlling the air guide door to be in the second mode;
in the first mode, at least one air guide door is in a closed state, and a through hole is formed in the air guide door in the closed state;
in the second mode, at least one of the dampers is adjusted from being in the closed condition to being in the open angular condition.
The air conditioner is provided with the air-releasing mode, and the air guide door is controlled to be in the first mode after the air conditioner enters the air-releasing mode; by setting the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value delta T between the two is used as the basis for controlling the running frequency of the compressor, and the indoor environment temperature T can be effectively usedInner ringAdjusting the running frequency f of the compressor; by matching the operating frequency f of the compressor with a first predetermined frequency fPreset 1The relationship between the wind guide door and the wind guide door is used as a basis to control whether the wind guide door is positioned in the second mode or not;
in the invention, the air guide doors are positioned in a first mode, at least one air guide door is in a closed state, and the air guide door in the closed state is provided with a through hole; through the arrangement of the through holes on the air guide door, when air in an air duct in the air conditioner flows through the air guide door, the air can be smoothly disturbed, the purposes of air comfort and no cold air blowing to people are achieved, and the comfort of users is improved;
the air guide door is located under the second mode, and at least one air guide door is adjusted for being in the opening angle state by being in the closure state, and also the air guide door that originally was in the closure state this moment adjusts for having certain opening angle state, can open the increase of angle through the air guide door, realizes the purpose that increases the air output, promotes the indoor refrigerating output of input, can effectually guarantee the refrigeration effect of air conditioner, and the air guide door still does not completely open the state simultaneously, can also maintain the effect of the comfortable wind of preferred.
This kind of mode, after the air conditioner entered into the mode of dispersing the wind, when the wind-guiding door was located first mode, can realize that cold wind does not blow people's effect, and the indoor refrigerating output of input this moment can receive the influence of wind-guiding door position, and in order to reduce the production of influence, through according to indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value delta T is used as a basis to realize the control of the running frequency f of the compressor so as to solve the problem of the influence of the refrigerating capacity, but after the refrigerating capacity rises, the problem of condensation at the air guide door and the air outlet can be brought at the same time, and the running frequency f of the compressor and the first preset frequency f are combined at the momentPreset 1The relationship between the air guide door and the air guide door realizes the control on whether the air guide door is positioned in the second mode or not, realizes the conversion of the air guide door between the first mode and the second mode, can prevent condensation on one hand, can improve the refrigerating capacity of an input chamber on the other hand, and can effectively ensure the refrigerating effect of the air conditioner by combining the control on the operating frequency f of the compressor; the invention can effectively realize that cold air of the air conditioner does not blow people, simultaneously ensure the refrigeration effect of the air conditioner, maintain the comfortable state that the cold air does not blow people for a long time and effectively improve the use comfort level of users.
In the present embodiment, "according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between, controlling the operating frequency f "of the compressor of the air conditioner comprises the steps of:
s21, when the delta T is larger than or equal to a, controlling the running frequency f of the compressor to be increased;
s22, when b < | Delta T | < a, controlling the running frequency f of the compressor to be unchanged;
and S23, when the delta T is less than or equal to b, controlling the running frequency f of the compressor to be reduced.
In the present invention, Δ T is equal to TInner ring-TPreset of；
In this way, when DeltaT is more than or equal to a, the indoor environment temperature T is indicatedInner ringGreater than a predetermined temperature TPreset ofa, indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference is large, the refrigerating capacity of the air conditioner is insufficient at the moment, the indoor air output is increased and the indoor environment temperature T is reduced by increasing the running frequency f of the compressor at the momentInner ring(ii) a When delta T is less than or equal to b, the indoor environment temperature T is illustratedInner ringLess than a predetermined temperature TPreset ofb, the refrigerating capacity of the air conditioner reaches or exceeds the requirement at the moment, and the indoor air output is reduced by reducing the running frequency f of the compressor at the moment so as to ensure that the indoor environment temperature TInner ringThe descending speed is in a proper range; when b < | delta T | < a, the indoor environment temperature T is indicatedInner ringAnd a predetermined temperature TPreset ofMaintaining the indoor environment temperature T in a comfortable range by keeping the running frequency f of the compressor constantInner ring。
In the invention, the value range of a is 1.5-2.5 ℃, and the value range of b is-2.5-1.5 ℃.
The operating frequency f of the compressor is increased by a set upper limit frequency fUpper limit ofWherein the upper limit frequency fUpper limit ofFor the maximum operating frequency fmax of the compressor, the operating frequency f of the compressor is reduced by a set lower limit frequency fLower limit of。
In the present embodiment, the control method further includes the steps of:
s24, when the delta T is larger than or equal to a, the running frequency f of the compressor and the second preset frequency fPreset 2The relationship between them is: f. of<fPreset 2The compressor is operated at an operating frequency f; when the delta T is more than or equal to a, the running frequency f and the second preset frequency f of the compressorPreset 2The relationship between them is: f ═ fPreset 2At a second predetermined frequency fPreset 2Running;
the method specifically comprises the following steps:
s241, judging the running frequency f and the second preset frequency f of the compressor when the delta T is more than or equal to aPreset 2The relationship between them is: f. of<fPreset 2Or f ═ fPreset 2；
S242, when the running frequency f of the compressor is equal to a second preset frequency fPreset 2The relationship between them is: f. of<fPreset 2The compressor is operated at an operating frequency f;
s243, when the running frequency f of the compressor is equal to the second preset frequency fPreset 2The relationship between them is: f ═ fPreset 2At a second predetermined frequency fPreset 2Running;
s25, when delta T is less than or equal to b, the running frequency f of the compressor and the third preset frequency fPreset 3The relationship between them is: f. of>fPreset 3The compressor is operated at an operating frequency f; when delta T is less than or equal to b, and the running frequency f and the third preset frequency f of the compressorPreset 3The relationship between them is: f ═ fPreset 3At a third predetermined frequency fPreset 3Running;
the method specifically comprises the following steps:
s251, judging the running frequency f and the third preset frequency f of the compressor when the delta T is less than or equal to bPreset 3Whether the relationship between is: f. of>fPreset 3Or f ═ fPreset 3；
S252, when the running frequency f of the compressor is equal to the third preset frequency fPreset 3The relationship between them is: f. of>fPreset 3The compressor is operated at an operating frequency f;
s253, when the running frequency f of the compressor is equal to the third preset frequency fPreset 3The relationship between them is: f ═ fPreset 3At a third predetermined frequency fPreset 3Running;
in this way, by setting the second preset frequency fPreset 2And a third predetermined frequency fPreset 3Effectively ensuring that the running frequency f of the compressor is not greater than the second preset frequency fPreset 2And not less than a third predetermined frequency fPreset 3Further ensuring the normal operation of the compressor and the refrigeration effect of the air conditioner.
Wherein the second predetermined frequency fPreset 2May be the maximum operating frequency fmax of the compressor, the third predetermined frequency fPreset 3May be the minimum operating frequency fmin of the compressor.
In the present embodiment, "according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between, controlling the operating frequency f "of the compressor of the air conditioner comprises the steps of:
s26, every preset time tPreset ofCalculating indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between them.
In this way, by every preset time tPreset ofTo indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value delta T between the two is calculated, so that the internal environment temperature T can be effectively avoidedInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between them is frequently calculated.
Wherein the preset time tPreset ofThe value range of (A) is 4-6 min.
In each of the calculation periods, the calculation period is,
when the delta T is larger than or equal to a, controlling the running frequency f of the compressor to increase m;
when b < | delta T | < a, controlling the running frequency f of the compressor to be unchanged;
and when the delta T is less than or equal to b, controlling the running frequency f of the compressor to reduce n.
The value range of m is 4 Hz-6 Hz, and the value range of n is 4 Hz-6 Hz.
In the present embodiment, the first preset frequency fPreset 1The relationship to the maximum operating frequency fmax of the compressor is: f. ofPreset 1＝(75％～85％)fmax。
In this way, the first preset frequency f is setPreset 1The maximum operation frequency fmax is limited to 75-85%, when the operation frequency f of the compressor is greater than or equal to (75-85%) fmax, the compressor frequency f reaches a higher level, the refrigerating capacity is high, the risk of condensation is increased, the air guide door is controlled to be in the second mode, the air outlet quantity of the air conditioner can be effectively increased, the condensation is prevented, and the indoor environment temperature T is reducedInner ring。
In the embodiment, the air conditioner comprises an inner air guide door and an outer air guide door, wherein the inner air guide door is arranged on the inner side of the outer air guide door and is provided with a through hole;
the first mode is as follows: the inner air guide door is in a closed state, and the outer air guide door is in a horizontal state;
the second mode is as follows: the opening angle of the inner air guide door is increased by x degrees, and the opening angle of the outer air guide door is increased by y degrees.
In the mode, the through holes are formed in the inner air guide door, so that when the air in the air duct of the air conditioner flows through the inner air guide door, the air can be smoothly disturbed, and the purpose of air comfort is achieved; the first mode is set to be the closing state of the inner air guide door, and the horizontal state of the outer air guide door can realize the purpose that cold air does not blow people through the air-comforting function of the inner air guide door; through setting up the second mode to interior air guide door opening angle increase x degree, outer air guide door opening angle increases y degree, can be through the increase of interior air guide door and outer air guide door opening angle, the air guide door still does not open the state completely simultaneously, can also maintain the effect of the comfortable wind of preferred, realizes increasing the purpose of air output, can the effectual refrigeration effect of guaranteeing the air conditioner.
Example 1
The present invention provides an embodiment of a method for controlling an air conditioner, it should be noted that the steps shown in the flowchart of the drawings may be executed in a computer system such as a set of computer executable instructions, and that although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in an order different from that shown.
As shown in fig. 5, the control method includes the steps of:
s1, after the air conditioner enters the air-comforting mode, controlling the air guide door of the air conditioner to be in the first mode;
s2, according to the indoor environment temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value delta T between the two values, and the running frequency f of the compressor of the air conditioner is controlled;
step S2 specifically includes:
s26, every preset time tPreset ofCalculating indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference between Δ T;
s21, when the delta T is larger than or equal to a, controlling the running frequency f of the compressor to increase m;
s24, when the delta T is larger than or equal to a, the running frequency f of the compressor and the second preset frequency fPreset 2The relationship between them is: f. of<fPreset 2The compressor is operated at an operating frequency f; when the delta T is more than or equal to a, the running frequency f and the second preset frequency f of the compressorPreset 2The relationship between them is: f ═ fPreset 2At a second predetermined frequency fPreset 2Running;
the method specifically comprises the following steps:
s241, judging the running frequency f and the second preset frequency f of the compressor when the delta T is more than or equal to aPreset 2Whether the relationship between is: f. of<fPreset 2；
S242, when the running frequency f of the compressor is equal to a second preset frequency fPreset 2The relationship between them is: f. of<fPreset 2The compressor is operated at an operating frequency f;
s243, when the running frequency f of the compressor is equal to the second preset frequency fPreset 2The relationship between them is: f ═ fPreset 2At a second predetermined frequency fPreset 2Running;
s22, when b < | Delta T | < a, controlling the running frequency f of the compressor to be unchanged;
s23, when delta T is less than or equal to b, controlling the running frequency f of the compressor to reduce n;
s25, when delta T is less than or equal to b, the running frequency f of the compressor and the third preset frequency fPreset 3The relationship between them is: f. of>fPreset 3The compressor is operated at an operating frequency f; when delta T is less than or equal to b, and the running frequency f and the third preset frequency f of the compressorPreset 3The relationship between them is: f ═ fPreset 3At a third predetermined frequency fPreset 3Running;
the method specifically comprises the following steps:
s251, judging the running frequency f and the third preset frequency f of the compressor when the delta T is less than or equal to bPreset 3Whether the relationship between is: f. of>fPreset 3；
S252, when the running frequency f of the compressor is equal to the third preset frequency fPreset 3The relationship between them is: f. of>fPreset 3The compressor is operated at an operating frequency f;
s253, when the running frequency f of the compressor is equal to the third preset frequency fPreset 3The relationship between them is: f ═ fPreset 3At a third predetermined frequency fPreset 3Running;
s3, according to the running frequency f and the first preset frequency f of the compressorPreset 1The relation between the wind guide door and the wind guide door controls whether the wind guide door is in the second mode or not;
specifically, the operating frequency f and the first preset frequency f of the compressor are determinedPreset 1Whether the relationship between is: f is not less than fPreset 1；
S4, when the operating frequency f of the compressor is equal to the first preset frequency fPreset 1The relationship between them is: f is not less than fPreset 1When the air guide door is in the first mode, controlling the air guide door to be in the second mode; when the operating frequency f of the compressor is equal to the first predetermined frequency fPreset 1The relationship between them is: f. of<fPreset 1Then, the process returns to step S2.
Example 2
The present invention provides a control device for an air conditioner, which executes any one of the above control methods, the control device including:
a first control unit: after the air conditioner enters the air-dispersing mode, controlling an air guide door of the air conditioner to be in a first mode;
a second control unit: the second control unit is used for controlling the indoor temperature T according to the indoor environment temperatureInner ringAnd a predetermined temperature TPreset ofDifference between them, controlOperating frequency f of a compressor of the air conditioner;
a third control unit: the third control unit is used for controlling the running frequency f and the first preset frequency f of the compressorPreset 1The relationship between them is: f is not less than fPreset 1And controlling the air guide door to be in the second mode.
Example 3
The present invention provides a computer-readable storage medium storing a computer program, which when read and executed by a processor, implements any of the above-described control methods.
Example 4
The present invention also provides an indoor unit of an air conditioner, as shown in fig. 6, the indoor unit includes an inner air guide door 100 and an outer air guide door, the inner air guide door 100 is disposed at an inner side of the outer air guide door, and the inner air guide door 100 is provided with a through hole 110, and a porosity of the through hole 110 is 50% to 60%.
In the structure, the through holes 110 are formed in the inner air guide door 100, so that when air in an air duct of the air conditioner flows through the inner air guide door 100, the air can be smoothly disturbed, and the purpose of air comfort is achieved; the porosity of the through holes 110 is 50% -60%, so that the refrigerating effect of the air conditioner can be effectively guaranteed.
The shape of the through hole 110 may be an ellipse, a circle, or the like, and is preferably an ellipse.
In the present embodiment, the through holes 110 are staggered and uniformly arranged.
This kind of structure, the air conditioner air-out is even, and effectual realization vortex is smooth, realizes the purpose of the gentle wind.
Example 5
The invention also provides an air conditioner, a control method for executing the air conditioner, or an indoor unit comprising the air conditioner.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. The control method of the air conditioner is characterized in that: the control method comprises the following steps:
after the air conditioner enters an air-comforting mode, controlling an air guide door of the air conditioner to be in a first mode;
according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference value Delta T between the two values, and the running frequency f of the compressor of the air conditioner is controlled;
according to the running frequency f and a first preset frequency f of the compressorPreset 1The relation between the wind guide door and the wind guide door controls whether the wind guide door is positioned in a second mode or not;
when the operating frequency f of the compressor is equal to the first preset frequency fPreset 1The relationship between them is: f is not less than fPreset 1When the air guide door is in the second mode, controlling the air guide door to be in the second mode;
in the first mode, at least one air guide door is in a closed state, and a through hole is formed in the air guide door in the closed state;
in the second mode, at least one of the dampers is adjusted from being in the closed state to being in an open angle state.
2. The control method according to claim 1, characterized in that: said "according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between, controlling the operating frequency f "of the compressor of the air conditioner comprises the steps of:
when the delta T is larger than or equal to a, controlling the running frequency f of the compressor to be increased;
controlling the operating frequency f of the compressor to be unchanged when b < | DeltaT | < a;
and when delta T is less than or equal to b, controlling the running frequency f of the compressor to be reduced.
3. The control method according to claim 2, characterized in that: the control method further comprises the following steps:
when DeltaT is more than or equal to a, the operating frequency f and the second frequency of the compressorPredetermined frequency fPreset 2The relationship between them is: f. of<fPreset 2The compressor is operated at the operating frequency f; when the delta T is more than or equal to a, the running frequency f and the second preset frequency f of the compressorPreset 2The relationship between them is: f ═ fPreset 2At the second preset frequency fPreset 2Running;
when delta T is less than or equal to b, the running frequency f and a third preset frequency f of the compressorPreset 3The relationship between them is: f. of>fPreset 3The compressor is operated at the operating frequency f; when delta T is less than or equal to b, the running frequency f and a third preset frequency f of the compressorPreset 3The relationship between them is: f ═ fPreset 3At the third preset frequency fPreset 3And (5) operating.
4. The control method according to any one of claims 1 to 3, characterized in that: said "according to the indoor ambient temperature TInner ringAnd a predetermined temperature TPreset ofThe difference Δ T between, controlling the operating frequency f "of the compressor of the air conditioner comprises the steps of:
every preset time tPreset ofCalculating the indoor ambient temperature TInner ringAnd the preset temperature TPreset ofThe difference Δ T between them.
5. The control method according to claim 1, characterized in that: the first preset frequency fPreset 1The relationship to the maximum operating frequency fmax of the compressor is: f. ofPreset 1＝(75％～85％)fmax。
6. The control method according to claim 1, characterized in that: the air conditioner comprises an inner air guide door and an outer air guide door, the inner air guide door is arranged on the inner side of the outer air guide door, and a through hole is formed in the inner air guide door;
the first mode is as follows: the inner air guide door is in a closed state, and the outer air guide door is in a horizontal state;
the second mode is as follows: the opening angle of the inner air guide door is increased by x degrees, and the opening angle of the outer air guide door is increased by y degrees.
7. A control device for an air conditioner, characterized in that: performing the control method of any one of claims 1-6; the control device includes:
a first control unit: after the air conditioner enters the air-comforting mode, controlling the air guide door of the air conditioner to be in the first mode;
a second control unit: the second control unit is used for controlling the indoor temperature T according to the indoor environment temperatureInner ringAnd the preset temperature TPreset ofA difference Δ T therebetween, controlling the operating frequency f of the compressor of the air conditioner;
a third control unit: the third control unit is used for controlling the running frequency f and the first preset frequency f of the compressorPreset 1The relationship between them is: f is not less than fPreset 1And when the air guide door is in the second mode, controlling the air guide door to be in the second mode.
8. A computer-readable storage medium, characterized in that: the computer-readable storage medium stores a computer program which, when read and executed by a processor, implements the control method according to any one of claims 1 to 6.
9. Indoor set of air conditioner, its characterized in that: the control method according to claim 6 is performed, the porosity of the through-hole (110) being 50% to 60%.
10. An air conditioner, characterized in that: -executing the control method of any of claims 1 to 6, or comprising the indoor unit of claim 9.
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