CN112747425A - Control method of air conditioner, air conditioner and storage medium - Google Patents

Control method of air conditioner, air conditioner and storage medium Download PDF

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Publication number
CN112747425A
CN112747425A CN201911063549.4A CN201911063549A CN112747425A CN 112747425 A CN112747425 A CN 112747425A CN 201911063549 A CN201911063549 A CN 201911063549A CN 112747425 A CN112747425 A CN 112747425A
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CN
China
Prior art keywords
filter screen
air conditioner
motor
air
drive
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Pending
Application number
CN201911063549.4A
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Chinese (zh)
Inventor
汪先送
陈新厂
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.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Application filed by Midea Group Co Ltd, GD Midea Air Conditioning Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201911063549.4A priority Critical patent/CN112747425A/en
Publication of CN112747425A publication Critical patent/CN112747425A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0071Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature

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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)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a control method of an air conditioner, which comprises the following steps: acquiring indoor environment temperature and set temperature in an air conditioner acting space; and adjusting the operating parameters of the motor according to the indoor environment temperature and the set temperature so as to adjust the opening degree of the wind shield or drive the filter screen to move. The invention also discloses an air conditioner and a computer readable storage medium, which achieve the effect of improving the comfort of the air conditioner.

Description

Control method of air conditioner, air conditioner and storage medium
Technical Field
The present invention relates to the field of air conditioners, and in particular, to a method for controlling an air conditioner, and a computer-readable storage medium.
Background
In order to improve the air outlet quality of the air conditioner, a rate net is generally arranged at the air return inlet of the air conditioner, so that the purposes of increasing the concentration of air outlet negative ions, reducing the air outlet weighted content or the like are achieved. However, the conventional filter screen is generally directly fixed to the return air inlet of the air conditioner, so that all air entering the return air inlet needs to pass through the filter screen first. Therefore, the air conditioner has the defects that the fresh air needs to enter the filter screen in all modes, the air inlet wind resistance of the air conditioner is large, and the comfort of the air conditioner is low.
Disclosure of Invention
The present invention provides a control method for an air conditioner, an air conditioner and a computer readable storage medium, which aims to achieve the effect of improving the comfort of the air conditioner.
In order to achieve the above object, the present invention further provides a control method of an air conditioner, which mainly comprises the following steps:
acquiring indoor environment temperature and set temperature in an air conditioner acting space;
and adjusting the operating parameters of the motor according to the indoor environment temperature and the set temperature so as to adjust the opening degree of the wind shield or drive the filter screen to move.
Optionally, the step of adjusting an operating parameter of the motor according to the indoor environment temperature and the set temperature to adjust the opening degree of the wind deflector or drive the filter screen to move includes:
determining a difference between the indoor ambient temperature and the set temperature;
adjusting the operating parameters of the motor according to the difference value to adjust the opening degree of the wind shield or drive the filter screen to move, wherein the difference value is positively correlated with the opening degree of the wind shield, and the difference value is negatively correlated with the overlapping area.
Optionally, the step of adjusting an operating parameter of the motor according to the difference value to adjust the opening degree of the wind deflector or drive the filter screen to move includes:
when the difference value is larger than a preset threshold value, controlling the motor to operate according to a first parameter so as to drive the wind shield to open;
and when the difference value is smaller than the preset threshold value, controlling the motor to operate according to a second parameter so as to drive the wind shield to close.
Optionally, the air return opening includes at least one first sub-air return opening and a plurality of second sub-air return openings, at least the first sub-air return opening is provided with a filter screen to form the filtering area, the second sub-air return opening is not provided with the filter screen to form the non-filtering area, the second sub-air return opening is provided with a corresponding independent wind shield, and the step of adjusting the operating parameter of the motor according to the difference to adjust the opening degree of the wind shield or drive the filter screen to move includes:
and acquiring target operation parameters corresponding to the difference, and controlling the motor to operate according to the target operation parameters so as to control the target wind shield to be opened to a target opening degree.
Optionally, the indoor set still includes filter screen support, filter screen support set up in the wind channel of indoor set, the filter screen with filter screen support sliding connection, the motor is used for the drive the filter screen is relative filter screen support slides, adjusts according to indoor ambient temperature and settlement temperature the operating parameter of motor, in order to adjust the aperture of deep bead or drive the step of filter screen motion includes:
determining the operation parameters of the motor according to the difference value between the indoor environment temperature and the set temperature;
and controlling the motor to drive the filter screen to slide according to the operating parameters so as to adjust the overlapping area between the filter screen and the air return opening.
Optionally, the filter screen is collapsible filter screen, collapsible filter screen one end is fixed in the wind channel of air conditioner, the other end pass through the driving medium connect with the motor is connected, the motor is used for the drive collapsible filter screen expandes or folds, adjust according to indoor ambient temperature and settlement temperature the running parameter of motor, in order to adjust the aperture of deep bead or drive the step of filter screen motion includes:
determining the operation parameters of the motor according to the difference value between the indoor environment temperature and the set temperature;
and controlling the motor to drive one end of the filter screen to move according to the operating parameters so as to adjust the overlapping area between the filter screen and the air return opening.
Optionally, the operation parameter includes a rotation direction, and the step of determining the rotation parameter of the motor according to the difference between the indoor environment temperature and the set temperature includes:
when the difference value is larger than a preset threshold value, the rotating direction is a first preset direction;
when the difference is smaller than a preset threshold, the rotating direction is a second preset direction, wherein:
when the motor rotates according to the first rotating direction, the foldable filter screen is folded, and when the motor rotates according to the second rotating direction, the foldable filter screen is unfolded.
Optionally, after the air conditioner starts the air purification function, the step of obtaining the indoor environment temperature and the set temperature in the air conditioner acting space is executed.
In addition, in order to achieve the above object, the present invention further provides an air conditioner, which includes an indoor unit, a memory, a processor, and a control program of the air conditioner, which is stored in the memory and can be run on the processor, wherein the indoor unit is provided with an air return opening, a filter screen, and a motor; the air return opening comprises a filtering area and a non-filtering area, the filter screen is arranged in the filtering area, and the non-filtering area is provided with a wind shield in driving connection with the motor so as to drive the wind shield to rotate; or, the filter screen is movably connected to the air return opening, the motor is in driving connection with the filter screen to drive the filter screen to move so as to adjust the overlapping area between the filter screen and the air return opening, and the control program of the air conditioner is executed by the processor to realize the steps of the control method of the air conditioner.
Further, to achieve the above object, the present invention also provides a computer-readable storage medium having stored thereon a control program of an air conditioner, which when executed by a processor, implements the steps of the control method of the air conditioner as described above.
According to the control method of the air conditioner, the air conditioner and the computer readable storage medium provided by the embodiment of the invention, the indoor environment temperature and the set temperature in the acting space of the air conditioner are firstly obtained, and then the running parameters of the motor are adjusted according to the indoor environment temperature and the set temperature so as to adjust the opening degree of the wind shield or drive the filter screen to move. The proportion of fresh air entering the air return opening after passing through the filter screen can be changed by changing the opening of the wind shield or adjusting the overlapping area between the filter screen and the air return opening. Therefore, when larger refrigerating/heating requirements exist, more air can bypass the filter screen and enter the air return opening between the filter screen and the air return opening, so that the refrigerating/heating efficiency of the air conditioner is enhanced, and the effect of improving the comfort of the air conditioner is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic view of an air outlet of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an indoor unit of another air conditioner according to an embodiment of the present invention;
fig. 4 is a sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 5 is a sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 6 is a sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating an air conditioner control method according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As an embodiment, referring to fig. 1, the indoor unit 100 of the air conditioner includes a return air inlet 110, and a filter screen 120 and a wind deflector 130 are disposed at the return air inlet 110. The return air inlet 110 is partially covered by the filter screen 120, and the portion not covered by the filter screen 110 overlaps the wind deflector 130.
It is understood that the air return opening 110 is shown as being rectangular, but this is not intended to limit the air return opening 110 to be rectangular. The air return opening 110 may be provided in any shape. The screen 120 may also be provided in any shape.
The indoor unit further comprises a motor and a transmission member, the wind shield 130 is movably connected to the air return opening, and the motor drives the wind shield 130 to move through the transmission member so as to adjust the opening degree of the wind shield.
Specifically, when two ends of the wind deflector 130 can be connected to two sides of the machine body in the direction a in the drawing, respectively, and a connecting line between the two connecting points can be used as an axis, and the wind deflector 130 can be driven by a motor to rotate around the axis, so as to adjust the relative opening degree between the wind deflector 130 and the air return opening. It is understood that both ends of the wind guard 130 may be connected to both sides of the body in the direction B in the drawing. So that the wind deflector 130 can be rotated on the axis in the B direction.
As shown in fig. 1 and 2, the air return opening 110 includes a filtering area 111 and a non-filtering area 112, the filtering area 111 is provided with the filter screen 120, and the wind blocking plate 130 is provided in the non-filtering area 112.
Specifically, the non-filtering area 112 further includes a plurality of sub-air-returning openings 112A, 112B, 112C and 112D, and one or more independent air-blocking plates 130 may be disposed at each sub-air-returning opening. So that the opening degree of the wind guard 130 corresponding to each sub-return air inlet can be individually controlled. The wind deflector 130 corresponding to each sub-air return opening can be driven by an independent motor.
As shown in fig. 3, as an embodiment, the filter 120 may completely overlap the air return opening 110, the filter 120 may be configured as a foldable filter, and the filter 120 may be configured as a foldable filter 120 that can be folded in the direction B. One end of the foldable filter screen 120 is fixed in an air duct of the air conditioner, the other end of the foldable filter screen is connected with a transmission piece, and the transmission piece is driven by a motor to move, so that the foldable filter screen 120 is unfolded or folded.
It is understood that the folding direction of the filter net is not limited to the direction B, and the filter net may be folded in the direction a shown in fig. 3.
As an implementation manner, as shown in fig. 4, the air conditioner includes a filter screen bracket 140, the filter screen bracket 140 is vertically disposed in an air duct of an indoor unit of the air conditioner, and the filter screen 120 is slidably connected to the filter screen bracket. The screen 120 may be driven to slide relative to the screen support 140 by a motor coupled to the screen. When the filter screen bracket slides to the state shown in fig. 4, the air can only pass through the filter screen 120 and enter the air return opening 110, and when the filter screen 120 slides to the state shown in fig. 5, the air entering the indoor unit of the air conditioner can flow into the air return opening 110 from the gap of the filter screen bracket 140, so that the air does not need to flow through the filter screen 120 and then enter the air return opening 110. Therefore, the effect that the return air of the indoor unit of the air conditioner increases the wind resistance due to the filter screen is avoided.
Optionally, as shown in fig. 6, the filter screen bracket 140 may also be horizontally disposed in the air duct of the indoor unit of the air conditioner, so that the filter screen 120 can slide left and right under the driving of the motor. When the filter screen 120 slides to a position completely coinciding with the air return opening, all air entering the air return opening needs to pass through the filter screen 120 to enter the indoor unit of the air conditioner. When the filter screen 120 slides to a state where the air returns 110 are not completely overlapped, a part of air entering the air returns 110 flows through the filter screen 120 and then enters the indoor unit of the air conditioner, and a part of air enters the indoor unit of the air conditioner from an area where the air returns 110 are covered by the filter screen 120.
It is understood that fig. 6 only shows the filter bracket 140 disposed along the width direction of the air conditioner so that the filter 120 can slide along the width direction of the air conditioner. In another embodiment, the filter screen can be controlled to slide along the length direction of the indoor unit of the air conditioner.
Alternatively, based on the air conditioner indoor unit shown in fig. 6, in order to prevent the filter screen 120 from protruding out of the air conditioner indoor unit body when sliding, the filter screen 120 may be configured as a flexible filter screen, so that part of the filter screen sliding out of the air outlet 110 is curled.
The air conditioner is further provided with a memory, a processor and a control program of the air conditioner, wherein the control program of the air conditioner is stored on the memory and can be executed by the processor, and when the control program of the air conditioner is executed by the processor, the control program of the air conditioner is mainly used for realizing the following steps:
acquiring indoor environment temperature and set temperature in an air conditioner acting space;
and adjusting the operating parameters of the motor according to the indoor environment temperature and the set temperature so as to adjust the opening degree of the wind shield or drive the filter screen to move.
Further, when the control program of the air conditioner is executed by the processor, the following steps are also realized:
determining a difference between the indoor ambient temperature and the set temperature;
adjusting the operating parameters of the motor according to the difference value to adjust the opening degree of the wind shield or drive the filter screen to move, wherein the difference value is positively correlated with the opening degree of the wind shield, and the difference value is negatively correlated with the overlapping area.
Further, when the control program of the air conditioner is executed by the processor, the following steps are also realized:
when the difference value is larger than a preset threshold value, controlling the motor to operate according to a first parameter so as to drive the wind shield to open;
and when the difference value is smaller than the preset threshold value, controlling the motor to operate according to a second parameter so as to drive the wind shield to close.
Further, when the control program of the air conditioner is executed by the processor, the following steps are also realized:
and acquiring target operation parameters corresponding to the difference, and controlling the motor to operate according to the target operation parameters so as to control the target wind shield to be opened to a target opening degree.
Further, when the control program of the air conditioner is executed by the processor, the following steps are also realized:
determining the operation parameters of the motor according to the difference value between the indoor environment temperature and the set temperature;
and controlling the motor to drive the filter screen to slide according to the operating parameters so as to adjust the overlapping area between the filter screen and the air return opening.
Further, when the control program of the air conditioner is executed by the processor, the following steps are also realized:
determining the operation parameters of the motor according to the difference value between the indoor environment temperature and the set temperature;
and controlling the motor to drive one end of the filter screen to move according to the operating parameters so as to adjust the overlapping area between the filter screen and the air return opening.
Further, when the control program of the air conditioner is executed by the processor, the following steps are also realized: when the difference value is larger than a preset threshold value, the rotating direction is a first preset direction;
when the difference is smaller than a preset threshold, the rotating direction is a second preset direction, wherein:
when the motor rotates according to the first rotating direction, the foldable filter screen is folded, and when the motor rotates according to the second rotating direction, the foldable filter screen is unfolded.
Referring to fig. 7, in an embodiment of the method for controlling an air conditioner of the present invention, the method for controlling an air conditioner includes:
step S10, acquiring the indoor environment temperature and the set temperature in the air conditioner acting space;
and step S20, adjusting the operation parameters of the motor according to the indoor environment temperature and the set temperature so as to adjust the opening degree of the wind shield or drive the filter screen to move.
In this embodiment, the air conditioner is provided with a temperature detection sensor, wherein the temperature detection sensor may be integrally provided with a body of an indoor unit of the air conditioner, or may be provided independently of the body of the indoor unit of the air conditioner. When the temperature detection sensor is arranged separately from the indoor unit of the air conditioner, the temperature detection sensor can be in communication connection with the indoor unit of the air conditioner in a wired and/or wireless connection mode. Therefore, the indoor unit of the air conditioner can detect the indoor environment temperature in the working space of the indoor unit of the air conditioner through the temperature detection sensor. In addition, the indoor unit of the air conditioner can also determine the corresponding set temperature according to the current operation data of the indoor unit.
After the indoor environment temperature and the set temperature in the action space of the air conditioner are obtained, the opening degree of the wind shield can be adjusted according to the indoor environment temperature and the set temperature in the action space of the air conditioner, or the overlapping area between the filter screen and the air return opening is adjusted according to the indoor environment temperature and the set temperature.
Specifically, after the indoor ambient temperature and the set temperature are acquired, the difference between the indoor ambient temperature and the set temperature may be calculated. It is understood that the air conditioner requires the greater amount of cooling or heating heat when the absolute value of the difference is greater. Therefore, the opening degree of the wind shield is adjusted or the area of the filter screen and the return air inlet is adjusted, the air quantity flowing through the filter screen and entering the return air inlet is adjusted, the wind resistance of the filter screen to return air is reduced, and the effect of increasing the return air quantity of the air conditioner in unit time is achieved when the rotating speed of the fan is unchanged.
For example, a difference interval in which the difference between the indoor ambient temperature and the set temperature is located may be determined, and then the opening degree of the wind deflector may be adjusted according to the difference interval. And after the difference interval is determined, the target opening degree associated with the difference interval can be obtained, and then the wind shield is controlled to be opened to the target opening degree. Or the motor can be controlled to operate according to the operation parameters related to the difference interval so as to adjust the overlapping area between the filter screen and the air return opening.
In the technical scheme disclosed in this embodiment, acquire the indoor ambient temperature and the set temperature in the air conditioner effect space earlier, then according to indoor ambient temperature and set temperature adjustment the operating parameter of motor, in order to adjust the aperture of deep bead or drive the filter screen motion. The proportion of fresh air entering the air return opening after passing through the filter screen can be changed by changing the opening of the wind shield or adjusting the overlapping area between the filter screen and the air return opening. Therefore, when larger refrigerating/heating requirements exist, more air can bypass the filter screen and enter the air return opening between the filter screen and the air return opening, so that the refrigerating/heating efficiency of the air conditioner is enhanced, and the effect of improving the comfort of the air conditioner is achieved.
Optionally, based on the above embodiment, in another embodiment, the air return opening of the air conditioner includes a filtering area and a non-filtering area, the filtering area is provided with a filter screen, and air must flow through the filter screen when entering the air return opening from the filtering area. The non-filtering area is provided with a wind shield, and the opening degree of the wind shield can be adjusted. When the air deflector is fully closed, air cannot flow from the non-filtering area into the return air opening. In this embodiment, the opening degree of the wind deflector may be adjusted according to the difference interval.
Specifically, after a difference interval corresponding to the difference is determined, the wind shield opening degree associated with the difference interval is obtained, and then the rotor angle of the motor is determined according to the wind shield opening degree. Or the difference interval may also be directly related to the rotor angle of the motor, so that after the difference interval is determined, the rotor angle related to the difference interval may be directly obtained. And after the rotor angle of the motor is determined, controlling the rotor of the motor to rotate to the rotor angle so as to control the wind shield to be opened to a corresponding opening degree.
Optionally, when the non-filtering area is provided with a plurality of sub-return air inlets, each sub-return air inlet is provided with an independent wind shield. The wind shield corresponding to each sub-air return opening can be controlled by an independent motor, so that the opening degree of the wind shield of each sub-air return opening can be independently controlled.
After the difference interval is determined, the target windshield associated with the difference interval and the opening degree of the target windshield can be obtained. And further determining the rotor angle of the target motor corresponding to the target baffle, and controlling the rotor of the target motor to rotate to the rotor angle. To drive the target windshield to open to the target opening degree.
It should be noted that, when the absolute value of the difference between the indoor ambient temperature and the set temperature is larger, the air conditioner needs the larger amount of cooling/heating in the process of adjusting the indoor ambient temperature to the set temperature. Therefore, the wind deflector can be controlled to be in a larger opening degree, so that the wind resistance generated by the filter screen is reduced. When the wind resistance generated by the filter screen is reduced, under the condition that the rotating speed of the fan is not changed, the air inlet volume of the return air inlet in unit time is increased, so that the effect of increasing the cooling/heating efficiency of the air conditioner is achieved while the energy consumption is not increased.
Optionally, based on the foregoing embodiment, in yet another embodiment, the indoor unit further includes a filter screen bracket, the filter screen bracket is disposed in the air duct of the indoor unit, the filter screen is slidably connected to the filter screen bracket, and the motor is configured to drive the filter screen to slide relative to the filter screen bracket. In this embodiment, the overlapping area between the filter screen and the air return opening can be adjusted according to the indoor environment temperature and the set temperature.
Specifically, the filter screen can directly be set up along air conditioner's direction of height for the filter screen can directly slide in the direction of height of air conditioner along the filter screen under the drive of motor.
After determining the difference between the indoor environment temperature and the set temperature, judging whether the absolute value of the difference is larger than a preset value or not, and controlling a motor to drive the filter screen to slide upwards when the absolute value of the difference is larger than the preset value. And air can flow into the air return opening through the gaps between the filter screen brackets. So as to achieve the effect of reducing the wind resistance generated by the filter screen. And when the absolute value of the difference value is smaller than the preset value, controlling the filter screen to slide to be completely overlapped with the air return opening, so that air can enter the air return opening only by flowing through the filter screen.
It can be understood that the filter screen bracket may also be horizontally disposed in the air duct of the air conditioner, so that the filter screen may slide in the width direction or the length direction of the indoor unit of the air conditioner. Thereby changing the overlapping area of the filter screen and the air return opening.
Specifically, an operation parameter of the motor associated with the difference interval may be obtained, where the operation parameter of the motor may include a rotor rotation angle of the motor. When the motor operates according to the operating parameters, the filter screen can be controlled to slide to the position corresponding to the operating parameters. So as to adjust the overlapping area between the filter screen and the air return opening. The smaller the overlapping area of the filter screen and the air return opening is, the smaller the wind resistance of the filter screen to the air entering the air return opening is, and the larger the air inlet amount of the air return opening in unit time is.
It can be understood that the overlapping area of the filter screen and the return air inlet is small, the smaller the wind resistance of the filter screen to the air entering the return air inlet is, and the larger the air inlet amount of the return air inlet per unit time is when the rotating speed of the fan is unchanged.
In the technical scheme disclosed in this embodiment, the air resistance of the filter screen to the air entering the return air inlet can be adjusted by adjusting the overlapping area between the filter screen and the return air inlet, so that the effect of adjusting the cooling and heating efficiency of the air conditioner according to the indoor ambient temperature and the set temperature is achieved.
Alternatively, based on the embodiment shown in fig. 7, in a further embodiment, the sieve is provided as a foldable sieve. In this embodiment, the overlapping area between the filter screen and the return air inlet can be adjusted by controlling the foldable filter screen to be folded or unfolded.
In this embodiment, the filter screen is collapsible filter screen, collapsible filter screen one end is fixed in the wind channel of air conditioner, the other end pass through the driving medium connect with the motor is connected, the motor is used for the drive collapsible filter screen expandes or folds. Therefore, after determining the difference value, it is determined whether the difference value is greater than a preset value, wherein the preset value may be set to any value between [5,15], for example, may be set to 5, 8, 10, 12, or 15, etc. When the absolute value of difference is greater than preset numerical value, can control the motor rotates to through motor drive driving medium moves to the direction of predetermineeing, in order to drive folding filter screen folds. When the folding filter screen is in a folding state, the overlapping area between the filter screen and the air return opening is reduced. Air may enter the air conditioner from an area of the return air inlet that does not overlap the screen.
And when the absolute value of the difference value is less than or equal to the preset value, controlling the foldable filter screen to be in an unfolded state. So that the screen completely overlaps the return air inlet. Therefore, air entering the air return opening can enter the air return opening only after passing through the filter screen. Thereby improving the air purifying effect of the air conditioner.
In the technical scheme disclosed in this embodiment, the unfolding time of the folding filter screen can be determined according to the magnitude relation between the absolute value of the difference and the preset value, so that when the absolute value of the difference is greater than the preset value, the filter screen is controlled to be folded to enhance the cooling/heating effect of the air conditioner, otherwise, the filter screen is controlled to be unfolded to enhance the filtering effect, and thus, the effect of improving the comfort of the air conditioner is achieved.
As an implementation manner, before the step S10 is executed, the air conditioner may first obtain its own operation parameters, determine whether the air purification function is turned on according to the operation parameters, and execute the step S10 when the air conditioner has turned on the air purification function. When the air conditioner does not start the air purification function, the air volume adjusting device is controlled to be in the maximum air inlet volume state, so that the refrigerating/heating efficiency of the air conditioner is improved. The air conditioner can adjust the air inlet volume of the air conditioner according to different operation modes, and therefore the effect of improving the comfort of the air conditioner is achieved.
In addition, the embodiment of the invention also provides an air conditioner, which comprises an indoor unit, a memory, a processor and a control program of the air conditioner, wherein the control program of the air conditioner is stored on the memory and can run on the processor; the air return opening comprises a filtering area and a non-filtering area, the filter screen is arranged in the filtering area, and the non-filtering area is provided with a wind shield in driving connection with the motor so as to drive the wind shield to rotate; or, the filter screen is movably connected to the air return opening, the motor is in driving connection with the filter screen to drive the filter screen to move so as to adjust the overlapping area between the filter screen and the air return opening, and the control program of the air conditioner is executed by the processor to realize the steps of the control method of the air conditioner according to the above embodiments.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, where a control program of an air conditioner is stored, and the control program of the air conditioner, when executed by a processor, implements the steps of the control method of the air conditioner according to the above embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., air conditioner, etc.) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The control method of the air conditioner is characterized in that an indoor unit of the air conditioner is provided with an air return inlet, a filter screen and a motor; the air return opening comprises a filtering area and a non-filtering area, the filter screen is arranged in the filtering area, and the non-filtering area is provided with a wind shield in driving connection with the motor so as to drive the wind shield to rotate; or, the filter screen is movably connected to the air return opening, the motor is in driving connection with the filter screen and drives the filter screen to move so as to adjust the overlapping area between the filter screen and the air return opening, and the control method of the air conditioner comprises the following steps:
acquiring indoor environment temperature and set temperature in an air conditioner acting space;
and adjusting the operating parameters of the motor according to the indoor environment temperature and the set temperature so as to adjust the opening degree of the wind shield or drive the filter screen to move.
2. The method for controlling an air conditioner according to claim 1, wherein the step of adjusting an operation parameter of the motor according to an indoor ambient temperature and a set temperature to adjust an opening degree of the wind deflector or to drive the screen to move comprises:
determining a difference between the indoor ambient temperature and the set temperature;
adjusting the operating parameters of the motor according to the difference value to adjust the opening degree of the wind shield or drive the filter screen to move, wherein the difference value is positively correlated with the opening degree of the wind shield, and the difference value is negatively correlated with the overlapping area.
3. The method of controlling an air conditioner according to claim 2, wherein the step of adjusting an operation parameter of the motor according to the difference value to adjust the opening degree of the wind deflector or to drive the movement of the screen comprises:
when the difference value is larger than a preset threshold value, controlling the motor to operate according to a first parameter so as to drive the wind shield to open;
and when the difference value is smaller than the preset threshold value, controlling the motor to operate according to a second parameter so as to drive the wind shield to close.
4. The method as claimed in claim 2, wherein the air return openings include at least one first sub air return opening and a plurality of second sub air return openings, at least the first sub air return opening is provided with a filter screen to form the filtering area, the second sub air return opening is not provided with the filter screen to form the non-filtering area, the second sub air return opening is provided with the corresponding wind deflectors, each wind deflector is provided with a corresponding driving motor to independently control the opening degree of each wind deflector, and the step of adjusting the operating parameters of the motors according to the difference value to adjust the opening degree of the wind deflectors or drive the filter screen to move includes:
acquiring a target motor corresponding to the difference value and operation parameters of the target motor;
and controlling the target motor to operate according to the operating parameters so as to control the wind shield corresponding to the target motor to be opened to a target opening degree.
5. The method of claim 1, wherein the indoor unit further comprises a filter support disposed in an air duct of the indoor unit, the filter is slidably connected to the filter support, the motor is configured to drive the filter to slide relative to the filter support, and the step of adjusting the operating parameter of the motor according to the indoor ambient temperature and the set temperature to adjust the opening of the air deflector or drive the filter to move includes:
determining the operation parameters of the motor according to the difference value between the indoor environment temperature and the set temperature;
and controlling the motor to drive the filter screen to slide according to the operating parameters so as to adjust the overlapping area between the filter screen and the air return opening.
6. The method for controlling an air conditioner according to claim 1, wherein the filter screen is a foldable filter screen, one end of the foldable filter screen is fixed in an air duct of the air conditioner, the other end of the foldable filter screen is connected with the motor through a transmission member, the motor is used for driving the foldable filter screen to unfold or fold, and the step of adjusting the operating parameter of the motor according to the indoor environment temperature and the set temperature so as to adjust the opening degree of the wind shield or drive the filter screen to move comprises:
determining the operation parameters of the motor according to the difference value between the indoor environment temperature and the set temperature;
and controlling the motor to drive one end of the filter screen to move according to the operating parameters so as to adjust the overlapping area between the filter screen and the air return opening.
7. The control method of an air conditioner according to claim 6, wherein the operation parameter includes a rotation direction, and the step of determining the rotation parameter of the motor based on the difference between the indoor ambient temperature and the set temperature includes:
when the difference value is larger than a preset threshold value, the rotating direction is a first preset direction;
when the difference is smaller than a preset threshold, the rotating direction is a second preset direction, wherein:
when the motor rotates according to the first rotating direction, the foldable filter screen is folded, and when the motor rotates according to the second rotating direction, the foldable filter screen is unfolded.
8. The method as claimed in claim 1, wherein the step of obtaining the indoor ambient temperature and the set temperature in the operating space of the air conditioner is performed after the air conditioner starts the air cleaning function.
9. An air conditioner is characterized by comprising an indoor unit, a memory, a processor and a control program of the air conditioner, wherein the control program of the air conditioner is stored in the memory and can run on the processor; the air return opening comprises a filtering area and a non-filtering area, the filter screen is arranged in the filtering area, and the non-filtering area is provided with a wind shield in driving connection with the motor so as to drive the wind shield to rotate; or, the filter screen is movably connected to the air return opening, the motor is in driving connection with the filter screen to drive the filter screen to move so as to adjust the overlapping area between the filter screen and the air return opening, and the control program of the air conditioner, when executed by the processor, implements the steps of the control method of the air conditioner as recited in any one of claims 1 to 8.
10. A computer-readable storage medium, wherein a control program of an air conditioner indoor unit is stored on the computer-readable storage medium, and the control program of the air conditioner indoor unit, when executed by a processor, implements the steps of the control method of the air conditioner according to any one of claims 1 to 8.
CN201911063549.4A 2019-10-31 2019-10-31 Control method of air conditioner, air conditioner and storage medium Pending CN112747425A (en)

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