CN110332668B - Heating mode control method and system and air conditioner - Google Patents

Heating mode control method and system and air conditioner Download PDF

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Publication number
CN110332668B
CN110332668B CN201910633009.9A CN201910633009A CN110332668B CN 110332668 B CN110332668 B CN 110332668B CN 201910633009 A CN201910633009 A CN 201910633009A CN 110332668 B CN110332668 B CN 110332668B
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temperature
indoor
preset
rotating speed
indoor fan
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CN110332668A (en
Inventor
张金鹏
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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
    • F24F11/62—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
    • F24F11/70—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
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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

Abstract

The invention provides a control method and a control system of a heating mode and an air conditioner, wherein the control method of the heating mode comprises the following steps: acquiring indoor environment temperature and current set temperature of an indoor unit; and when the indoor environment temperature is greater than or equal to the set temperature of the indoor unit, controlling and increasing the air outlet temperature of the indoor unit according to the indoor environment temperature. The invention has the beneficial effects that: the air outlet temperature is improved through control, so that the thermal comfort of a user can be improved when the air conditioner operates in a frequency reduction mode.

Description

Heating mode control method and system and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to a heating mode control method and system and an air conditioner.
Background
In ordinary life, the use of air conditioner is more and more popularized, and in order to make the use of air conditioner more energy-conserving, current air conditioner is inverter air conditioner usually, and inverter air conditioner is in the operation in-process, and when indoor ambient temperature reached or was close to the temperature that the user set for, the compressor frequency of air conditioner can reduce, and when indoor ambient temperature's change was little, can be with lower frequency operation to reach energy-conserving effect.
When the variable frequency air conditioner is operated in a heating mode, when the indoor environment temperature reaches the temperature set by the air conditioner, the frequency of the compressor is reduced, at the moment, the heating capacity of the air conditioner is reduced, the air outlet temperature of the corresponding indoor unit of the air conditioner is reduced along with the temperature, when the air outlet of the indoor unit faces a user, the air with lower temperature is directly blown to the position where the human body is located, and because the density of hot air is lower, when a large amount of lower air is blown to the user of the air conditioner, the hot air at the position where the human body is located can be conveyed to a high place, the temperature at the position where the user of the air conditioner is located is further reduced, and when the air conditioner is operated in a frequency reduction mode, the thermal comfort of.
Disclosure of Invention
The problem to be solved by the invention is how to improve the comfort of the user of the air conditioner.
In order to solve the above problems, the present invention provides a method for controlling a heating mode, comprising:
acquiring indoor environment temperature and current set temperature of an indoor unit;
and when the indoor environment temperature is greater than or equal to the set temperature of the indoor unit, controlling and increasing the air outlet temperature of the indoor unit according to the indoor environment temperature.
In the technical scheme, the air outlet temperature is improved through control, so that the thermal comfort of a user is improved when the air conditioner operates in a frequency reduction mode.
Optionally, when the indoor environment temperature is greater than or equal to the set temperature of the indoor unit, the step of controlling and increasing the outlet air temperature of the indoor unit according to the indoor environment temperature specifically includes:
calculating the temperature difference between the indoor environment temperature and the set temperature of the indoor unit;
and adjusting the rotating speed of the indoor fan according to the temperature difference.
In the technical scheme, the air outlet temperature of the indoor unit is adjusted by adjusting the rotating speed of the indoor fan, so that the air outlet temperature is improved when the air conditioner operates in a frequency reduction mode, and the comfort level of a user is improved.
Optionally, the step of adjusting the rotation speed of the indoor fan according to the temperature difference specifically includes:
when the temperature difference is smaller than a first preset temperature difference, continuously reducing the rotating speed of the indoor fan, or intermittently adjusting the rotating speed of the indoor fan at a first preset rotating speed and a second preset rotating speed;
when the temperature difference is greater than or equal to a first preset temperature difference and smaller than a second preset temperature difference, continuously reducing the rotating speed of the indoor fan, or intermittently adjusting the rotating speed of the indoor fan at a third preset rotating speed and the second preset rotating speed;
the first preset rotating speed is greater than the third preset rotating speed and greater than the second preset rotating speed, and the first preset rotating speed is less than or equal to the rotating speed of the indoor fan corresponding to the set temperature.
Among this technical scheme, through when the temperature difference of difference, select the mode of the rotational speed of the reduction indoor fan that lasts or the rotational speed of intermittent type nature regulation indoor fan, adjust the wind speed, thereby can correspond the rotational speed of indoor fan and the running frequency of compressor, make the regulation of air-out temperature more reasonable, when the rotational speed with intermittent type nature regulation indoor fan, adjust with a higher wind speed and a lower wind speed switch over each other, improve air-out temperature on the one hand, on the other hand guarantees indoor heat exchanger's heat exchange efficiency.
Optionally, the step of adjusting the rotating speed of the indoor fan according to the temperature difference further includes:
and when the temperature difference is greater than or equal to the second temperature difference, controlling the air conditioner to stop.
In this technical scheme, when indoor ambient temperature's temperature was higher, the control air conditioner was shut down to avoid too low because the frequency of compressor descends, and the temperature that leads to indoor fan exhaust wind crosses lowly, thereby avoid the user to be directly blown by cold wind, lead to the result of use not good.
Optionally, when the temperature difference is smaller than a first preset temperature difference, intermittently adjusting the rotating speed of the indoor fan at a first preset rotating speed and a second preset rotating speed;
when the temperature difference is greater than or equal to a first preset temperature difference and the temperature difference is smaller than a second preset temperature difference, intermittently adjusting the rotating speed of the indoor fan at a third preset rotating speed and the second preset rotating speed,
when the temperature of a refrigerant of an indoor heat exchanger of the indoor unit is within a preset time range and the temperature is increased by more than a preset temperature, adjusting the rotating speed of the indoor fan to the first preset rotating speed or the third preset rotating speed in the process of intermittently adjusting the rotating speed of the indoor fan;
when the temperature of a refrigerant of the indoor heat exchanger of the indoor unit is within a preset time range and the temperature is reduced by more than a preset temperature, the rotating speed of the indoor fan is adjusted to a second preset rotating speed in the process of intermittently adjusting the rotating speed of the indoor fan.
In this technical scheme, the rotational speed of indoor fan is selected through the judgement to the refrigerant temperature to the operation to indoor fan that is reasonable is controlled, and then the reasonable air-out temperature is controlled.
Optionally, the step of adjusting the rotation speed of the indoor fan according to the temperature difference further includes:
acquiring the rotating speed of the indoor fan;
and when the temperature difference is greater than or equal to a first preset temperature difference and the rotating speed of the indoor fan is the lowest rotating speed of the indoor fan, controlling the indoor fan to circularly operate in a stop-start mode.
In the technical scheme, when the rotating speed of the indoor fan cannot be adjusted, the indoor fan is operated in a stop-start mode, so that the temperature of the refrigerant in the indoor heat exchanger is increased when the indoor fan is stopped, and after the indoor fan is started again, the outlet air temperature can meet the requirement of comfort level through the refrigerant with higher temperature, so that the operation of the air conditioner is reasonably controlled.
Optionally, when the temperature difference is greater than or equal to a first preset temperature difference and the rotating speed of the indoor fan is the lowest rotating speed of the indoor fan, the step of controlling the indoor fan to circularly operate in a shutdown-startup mode includes:
acquiring the temperature of a refrigerant of an indoor heat exchanger of the indoor unit;
when the refrigerant temperature of an indoor heat exchanger of the indoor unit is greater than or equal to a first preset refrigerant temperature, controlling and switching the indoor fan to operate in a starting state in the shutdown-starting mode;
when the refrigerant temperature of an indoor heat exchanger of the indoor unit is less than or equal to a second preset refrigerant temperature, controlling and switching the indoor fan to be shut down in a shut-down and start-up mode;
the first preset refrigerant temperature is greater than the second preset refrigerant temperature.
In this technical scheme, through the judgement to the refrigerant temperature to shut down and the start-up to indoor fan control, thereby when the refrigerant temperature is higher, open the fan so that the air-conditioner air-out and the air-out temperature accords with the comfort level requirement, when the refrigerant temperature is lower, close the fan in order to avoid the air-out, and avoid the air-out to directly blow to the human body and lead to the comfort level to descend.
Optionally, when the indoor environment temperature is greater than or equal to the set temperature of the indoor unit, controlling to increase the outlet air temperature of the indoor unit according to the indoor environment temperature further includes:
acquiring the air outlet temperature of the indoor unit;
and when the air outlet temperature is lower than the preset air outlet temperature, controlling to reduce the air outlet included angle of the indoor unit.
In the technical scheme, the air outlet included angle of the indoor unit is reduced, so that the circulating air quantity of the indoor unit is reduced, the air outlet temperature can be increased from the other side, and the comfort level of a user is increased.
Optionally, the air supply direction of the indoor unit is adjusted to a target direction while the air outlet included angle of the indoor unit is reduced.
In the technical scheme, the air supply direction of the indoor unit is adjusted, the air supply direction is adjusted to the target direction, and the target direction can be the direction far away from a human body, so that the bad use effect of a user is avoided.
A control system for a heating mode, comprising:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the indoor environment temperature and the current set temperature of the indoor unit in the heating operation process of the indoor unit;
and the control unit is used for controlling and increasing the air outlet temperature of the indoor unit according to the indoor environment temperature when the indoor environment temperature is greater than or equal to the set temperature of the indoor unit.
Compared with the prior art, the air conditioner and the heating mode control method have the same advantages, and are not described again.
An air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the method as described above.
Compared with the prior art, the air conditioner and the heating mode control method have the same advantages, and are not described again.
A computer-readable storage medium, in which a computer program is stored which, when read and executed by a processor, implements the method described above.
The advantages of the computer-readable storage medium of the present invention and the heating mode control method are the same as those of the prior art, and are not described herein again.
Drawings
FIG. 1 is a flow chart of a heating mode control method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation state of the air conditioner in the heating mode according to the embodiment of the present invention, which varies with the temperature of the indoor environment;
FIG. 3 is a control logic diagram of the air conditioner during the heating mode operation according to the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention;
fig. 5 is a block diagram of a heating mode control system according to an embodiment of the present invention;
fig. 6 is a block diagram of a control module of the heating mode control system according to the embodiment of the present invention.
10-an indoor unit; 11-indoor heat exchanger; 12-an indoor fan; 13-indoor refrigerant temperature sensor; 14-indoor ambient temperature sensor; 20-an outdoor unit; 21-a compressor; 22-four-way reversing valve.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings 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.
Referring to fig. 1-4, the present invention provides a method of operating a heating mode, comprising
S1 obtaining indoor environment temperature ThAnd the current set temperature T of the indoor unit 10set；
S2 when the indoor environment temperature T ishA set temperature T of the indoor unit 10 or highersetAccording to the indoor ambient temperature ThAnd controlling and increasing the air outlet temperature of the indoor unit 10.
In the related art, when the inverter air conditioner operates in a heating mode, when the indoor environment temperature reaches the temperature set by the air conditioner, the frequency of the compressor is reduced to reduce the load of the air conditioner to achieve an energy-saving effect, at the moment, the heating capacity of the air conditioner is reduced, the outlet air temperature of the corresponding air conditioner indoor unit is reduced along with the reduction of the heating capacity of the air conditioner, and the cold air discharged directly brings bad experience to a user, when the air conditioner is used, the adjustment of the frequency of the air conditioner compressor takes the frequency corresponding to the set temperature as the set frequency, and the operating frequency of the compressor is intelligently adjusted according to the comparison between the measured value of the indoor environment temperature and the value of the set temperature, for example, when the frequency reduction is performed, the frequency is reduced by 5Hz within 3 minutes, and the frequency is operated for a period of time, for example, after 3 minutes, the frequency reduction operation is continued, so as to keep the indoor, but when the air conditioner operates in a frequency reduction mode, the indoor environment temperature is different from the air outlet temperature of the straight surface of the user, so that the air conditioner cannot reasonably adjust the air outlet according to the experience of the user.
In the present invention, when the indoor unit 10 of the air conditioner operates in the heating mode, the indoor ambient temperature T is detected and obtained in real timehAnd the indoor ambient temperature ThThe current set temperature T of the indoor unit 10 set by the usersetComparing when the indoor environment temperature ThIs greater than or equal to the set temperature TsetAccording to the comparison, i.e. according to said indoor ambient temperature ThThe current air-out temperature of the indoor unit 10 is controlled to be increased, so that when the air-out of the air outlet of the indoor unit 10 is directed to a user, the thermal comfort is better.
In an optional embodiment of the invention, said indoor ambient temperature ThA set temperature T of the indoor unit 10 or highersetAccording to the indoor ambient temperature ThThe step of controlling and increasing the outlet air temperature of the indoor unit 10 specifically includes:
calculating the indoor ambient temperature ThAnd the set temperature T of the indoor unit 10setThe temperature difference of (a);
and adjusting the rotating speed of the indoor fan 10 according to the temperature difference.
In general, the indoor ambient temperature ThIs greater than or equal to the set temperature TsetWhen the air conditioner is in use, the indoor fan 12 is used for leading out air which is in the indoor unit 10 and exchanges heat with the indoor heat exchanger 11 through the indoor heat exchanger 11, wherein the rotating speed of the indoor fan 12 influences the temperature of the refrigerant in the indoor heat exchanger 11, and when the rotating speed of the indoor fan 12 is large, the indoor heat exchanger 11 and the air are subjected to temperature reduction operationThe heat exchange will be faster, when the frequency of the compression 21 is fixed, the temperature of the refrigerant in the indoor heat exchanger 11 will decrease faster within a certain time, after the temperature of the refrigerant decreases, the temperature of the air discharged by the indoor fan 12, i.e. the outlet air temperature, will also be lower, conversely, when the rotation speed of the indoor fan 12 is lower, the effect of the indoor fan 12 on the indoor heat exchanger 11 will be slower, the temperature of the refrigerant in the indoor heat exchanger 11 will increase within a certain time, the exhaust air temperature of the corresponding indoor fan 12 on the indoor heat exchanger 11, i.e. the outlet air temperature will also be higher, although the air speed of the indoor fan 12 decreases, the outlet air volume of the indoor unit 10 will decrease, but due to the increase of the outlet air temperature, a certain thermal comfort will be brought to the user, and the cold air will not be blown directly due to the frequency reduction of the compressor, and the use.
Wherein, according to the indoor environment temperature ThAnd the set temperature T of the indoor unit 10setTo adjust the rotational speed of the indoor fan 10 to improve thermal comfort at an indoor ambient temperature ThAnd a set temperature TsetWhen being in different temperature differences, the frequency after the compressor 21 is adjusted is different, and the refrigerant temperature that compressor 21 led into in the indoor heat exchanger 11 this moment is different, corresponds this moment and carries out the adjustment of different rotational speeds and carry out air-out temperature to it is more stable to make air-out temperature, and can make the utilization to refrigerant in the indoor heat exchanger 11 more abundant, with this travelling comfort that improves the user better.
In an optional embodiment of the present invention, the step of adjusting the rotation speed of the indoor fan according to the temperature difference specifically includes:
when the temperature difference is smaller than a first preset temperature difference, continuously reducing the rotating speed of the indoor fan 12, or intermittently adjusting the rotating speed of the indoor fan 12 at a first preset rotating speed and a second preset rotating speed;
when the temperature difference is greater than or equal to a first preset temperature difference and the temperature difference is smaller than a second preset temperature difference, continuously reducing the rotating speed of the indoor fan 12, or intermittently adjusting the rotating speed of the indoor fan 12 at a third preset rotating speed and the second preset rotating speed;
wherein the first preset rotating speed is greater than the third preset rotating speed and greater than the second preset rotating speed, and the first preset rotating speed is less than or equal to the set temperature TsetCorresponding to the rotation speed of the indoor fan 12.
In the present invention, an intermediate temperature T is setmidAt an intermediate temperature TmidBetween a set temperature TsetAnd shutdown temperature T of air conditioneroffShutdown temperature ToffThe temperature set when the air conditioner reaches the shutdown condition, the indoor environment temperature T under the normal conditionhReaches the shutdown temperature ToffAt the same time, the air conditioner will stop running and be at the indoor environment temperature ThAfter the temperature is reduced to a certain degree, the air conditioner is restarted to continue heating, the air conditioner is continuously operated, and after the air conditioner is continuously operated at a reduced frequency, if the indoor environment temperature T is reducedhStill achieve ToffIs stopped at an intermediate temperature TmidAnd shutdown temperature ToffThe value of (b) may be set according to actual use, and is not limited herein.
In this embodiment, the first predetermined temperature difference is based on the intermediate temperature TmidDetermining, i.e. the first predetermined temperature difference to be the intermediate temperature TmidAnd a set temperature TsetWhen the temperature difference is smaller than the first preset temperature difference, namely the current indoor environment temperature ThLess than the intermediate temperature TmidAt this time, the rotation speed of the indoor fan 12 of the indoor unit is adjusted.
The rotating speed of the indoor fan 12 may be continuously reduced to increase the outlet air temperature, wherein the continuously reduced rotating speed may be set to increase the indoor ambient temperature ThGreater than a set temperature ThDuring this time, the frequency of the compressor 21 is continuously decreased, and at this time, the rotation speed of the indoor fan 12 is controlled to be decreased, so that the temperature of the refrigerant in the indoor heat exchanger 11 is prevented from being decreased too fast, and the temperature of the refrigerant in the indoor heat exchanger 11 can be kept within a certain range, so that the outlet air temperature is increased, and the thermal comfort of a user is improved.
Referring to fig. 2, fig. 2 shows the operation state of the heating process according to the present invention as a function of the indoor temperatureThe schematic diagram comprises a plurality of stages of control, wherein the 1 st control stage is the indoor environment temperature ThLess than a set temperature TsetA control operation stage in which the frequency of the compressor 21 of the air conditioner is fixed, the corresponding rotating speed of the indoor fan 12 is fixed, and the indoor ambient temperature T is sethSteadily increasing as the indoor ambient temperature ThWhen the set temperature is reached, the compressor 21 automatically operates in a frequency reduction mode, and then the control stage 2 is entered, according to the indoor environment temperature ThAnd controlling the rotating speed of the indoor fan 12 to increase the outlet air temperature of the indoor unit 10.
Referring to fig. 2 and 3, the adjustment of the rotation speed of the indoor fan 12 may also be, as shown in the control stage 2 in fig. 2, intermittently adjusting the rotation speed of the indoor fan 12 at a first preset rotation speed and a second preset rotation speed, where the first preset rotation speed is greater than the second preset rotation speed, and the first preset rotation speed is less than or equal to the set temperature TsetCorresponding to the variation relationship between the indoor fan 12 speed, such as 2 indoor fan speed and time T in the figure, in the 2 nd control stage, the indoor environment temperature ThGreater than a set temperature TsetWhen the frequency of the compressor 21 is continuously decreased, the rotation speed of the indoor fan 12 is intermittently adjusted to and fro at a higher rotation speed and a lower rotation speed, wherein the higher rotation speed corresponds to a first preset rotation speed, the lower rotation speed corresponds to a second preset rotation speed, wherein the outlet air temperature is increased when the indoor fan 12 is operated at the second predetermined rotational speed, thereby improving the thermal comfort of the user, but at this time, due to the indoor fan 12, the heat exchange efficiency of the indoor heat exchanger 11 with the air is reduced, resulting in a higher temperature rise of the refrigerant in the indoor heat exchanger 11, after a long time operation at a low rotation speed, the efficiency of the compressor 21 is not high, and the outlet air temperature is raised too much, the comfort of the user is affected, and the rotating speed of the indoor fan 12 is increased to a higher rotating speed at the moment, namely, the second preset rotating speed, wherein the second preset rotating speed can be the set temperature T.setThe corresponding frequency of the compressor 21 and the corresponding rotation speed are the same or smaller than the corresponding rotation speed, thereby improving the heat exchange efficiency of the indoor heat exchanger 11 in the air conditionerMeanwhile, the temperature of the refrigerant in the heat exchanger 11 is higher, and the increase of the rotating speed of the indoor fan 12 does not result in the lower outlet air temperature of the air outlet of the indoor unit 10, so that better use effect is brought to users through reasonable control.
Wherein, work as the temperature difference is greater than or equal to first predetermined temperature difference, just when the temperature difference is less than the second predetermined temperature difference, continuously reduces indoor fan 12's rotational speed, perhaps, with the third predetermined rotational speed with the second predetermined rotational speed intermittent type nature is adjusted indoor fan 12's rotational speed.
In this embodiment, the rotating speed of the indoor fan 12 may be continuously reduced to increase the outlet air temperature of the indoor unit 10, so as to improve the comfort of the user.
Or, as shown in the 3 rd control stage in fig. 2, intermittently adjusting the rotation speed of the indoor fan 12 at a third preset rotation speed and the second preset rotation speed to increase the outlet air temperature of the indoor unit 10, simultaneously increase the working efficiency of the compressor 21, increase the heat exchange efficiency of the indoor heat exchanger 11, and control the comfort of the user in a more reasonable manner, where, referring to fig. 2 and 3, the adjustment manner is the rotation speed adjustment of the indoor fan 12 at the 3 rd control stage in fig. 2, in this embodiment, the second preset temperature difference is based on the shutdown temperature ToffDetermining that the second predetermined temperature difference is the shutdown temperature ToffAnd a set temperature TsetWhen the temperature difference is greater than or equal to a first preset temperature difference and the temperature difference is less than a second preset temperature difference, the difference indicates that the indoor environment temperature T is at the momenthIs greater than or equal to the intermediate temperature TmidBut less than the shutdown temperature ToffTypically, as in FIG. 2, at indoor ambient temperature ThTo the space temperature TmidTime, indoor ambient temperature ThA higher temperature is reached, the frequency of the compressor 11 is reduced to a lower value, the temperature of the refrigerant discharged from the compressor 21 is lower when the air conditioner is operating, and the higher rotation speed of the indoor fan 12 in the operation of intermittently adjusting the rotation speed is reduced to a third preset rotation speed in this embodiment, so as to avoid causing the indoor fan 1 to be switched to the higher rotation speed2 to more reasonable heat transfer process to indoor set 10 controls, avoids the air-out temperature of the air outlet of indoor set 10 to be low as far as possible simultaneously, leads to the result of use not good, with this more reasonable improvement user's travelling comfort.
In an optional embodiment of the present invention, the step of adjusting the rotation speed of the indoor fan 12 according to the temperature difference further includes:
and when the temperature difference is greater than or equal to the second temperature difference, controlling the air conditioner to stop.
In the above embodiment, the rotation speed of the indoor fan 12 is reduced to increase the outlet air temperature of the indoor unit 10, during the actual use of the air conditioner, when the compressor 21 runs at a reduced frequency, the temperature of the refrigerant of the indoor heat exchanger 11 is reduced, but the air conditioner is still in the heating mode, the temperature in the room is usually in the holding state or fluctuates within a certain range, and when the temperature difference is greater than or equal to the second temperature difference, it indicates that the indoor environment temperature T is equal to or higher than the second temperature differencehTo a higher temperature, i.e. in this embodiment, the indoor ambient temperature ThReaches the shutdown temperature ToffAt this time, the air conditioner may be stopped to stop the operation of the indoor fan 12, and the indoor ambient temperature may be maintained within a relatively comfortable range for a certain period of time and at the indoor ambient temperature ThAfter the air conditioner is lowered to a certain degree, the air conditioner is restarted to continue heating, so that the air conditioner is more reasonably controlled, and the comfort of a user is better.
In an optional embodiment of the present invention, when the temperature difference is smaller than the first preset temperature difference, the rotation speed of the indoor fan 12 is intermittently adjusted at a first preset rotation speed and a second preset rotation speed;
when the temperature difference is greater than or equal to a first preset temperature difference and the temperature difference is smaller than a second preset temperature difference, intermittently adjusting the rotating speed of the indoor fan 12 at a third preset rotating speed and the second preset rotating speed,
when the temperature of the refrigerant of the indoor heat exchanger 11 of the indoor unit 10 is within a preset time range and the temperature is increased by more than a preset temperature, the rotating speed of the indoor fan 12 is adjusted to the first preset rotating speed or the third preset rotating speed in the process of intermittently adjusting the rotating speed of the indoor fan 12;
when the temperature of the refrigerant of the indoor heat exchanger 11 of the indoor unit 10 is within a preset time range and the temperature decrease is greater than a preset temperature, the rotating speed of the indoor fan 12 is adjusted to the second preset rotating speed in the process of intermittently adjusting the rotating speed of the indoor fan 12.
In the above embodiment, the rotation speed of the indoor fan 12 is intermittently adjusted to and fro to control the outlet air temperature of the indoor unit 10, in this embodiment, the preset rotation speed is determined by determining the temperature of the refrigerant of the indoor heat exchanger 11, specifically, when the temperature of the refrigerant is within the preset time range and the temperature is increased more than the preset temperature, it indicates that the heat exchange efficiency of the indoor heat exchanger 11 is not high, when the temperature of the refrigerant in the indoor heat exchanger 11 is not high, the temperature of the refrigerant rises less, the rotation speed of the indoor fan 12 is relatively low, it is necessary to correspondingly adjust the rotation speed of the indoor fan 12 to the higher rotation speed of the intermittently operating indoor fan 12, that is, correspondingly, when the temperature difference is less than the first preset temperature difference, the indoor fan 12 is operated at the first preset rotation speed of the preset rotation speeds, when the temperature difference is greater than or equal to a first preset temperature difference and is smaller than a second preset temperature difference, operating the indoor fan 12 at a third preset rotating speed in the preset rotating speeds; wherein, in the refrigerant temperature at the time of predetermineeing the time horizon, when the reduction of temperature is greater than predetermineeing the temperature, then show, indoor heat exchanger 11's heat exchange efficiency is higher, and the temperature of refrigerant is when heat exchange efficiency is higher among the indoor heat exchanger 11, and the temperature decline of refrigerant is great, then indoor fan 12's rotational speed is great relatively this moment, needs to correspond the lower rotational speed of adjusting indoor fan 12's rotational speed to in the intermittent type nature moving indoor fan 12, promptly the rotational speed is predetermine to the second to this rotational speed to indoor fan 12 is adjusted more rationally, makes user's use impression more comfortable.
In the invention, a preset time range is 0-30s, the preset temperature is 2 ℃, if the refrigerant temperature is increased from 56 ℃ to 58 ℃ within 30s, the rotating speed of the indoor fan 12 at the moment is low, the rotating speed needs to be increased to a first preset rotating speed or a third preset rotating speed, if the refrigerant temperature is reduced from 48 ℃ to 46 ℃ within 30s, the rotating speed of the indoor fan 12 at the moment is high, the rotating speed needs to be reduced to a second preset rotating speed, wherein the preset time range and the preset temperature can be selected according to the actual situation.
In an optional embodiment of the present invention, the step of adjusting the rotation speed of the indoor fan 12 according to the temperature difference further includes:
acquiring the rotating speed of the indoor fan 12;
and when the temperature difference is greater than or equal to a first preset temperature difference and the rotating speed of the indoor fan 12 is the lowest rotating speed of the indoor fan 12, controlling the indoor fan 12 to circularly operate in a stop-start mode.
In general, the indoor fan 12 includes a maximum rotation speed and a minimum rotation speed due to the structure of the indoor fan 12 and the control mode of the air conditioner, and in the above embodiment, when the temperature difference is greater than or equal to the first preset temperature difference, the rotation speed of the indoor fan 12 is reduced, or the set temperature T of the air conditioner is changedsetResulting in the set temperature TsetIn the present embodiment, when the rotation speed of the indoor fan 12 is at the lowest rotation speed, the indoor fan 12 is controlled to circularly operate in a shutdown-startup mode, wherein a period of the circular operation can be set according to the actual situation, without limitation, and in the shutdown process of the indoor fan 12, because the indoor unit 10 does not discharge air, but the compressor 21 of the air conditioner continuously operates, which is because the frequency of the compressor 21 continuously decreases and the air-out temperature is inevitably reduced, so that the comfort level is reducedThe time because 11 heat exchange efficiency of indoor heat exchanger is extremely low even in the stagnation state, the refrigerant temperature of 11 indoor heat exchanger can increase, and after the refrigerant temperature increase, indoor fan 12 restarts the start-up operation to carry out the air-out operation again, the air-out temperature of air conditioner this moment can be in higher temperature to this makes the air conditioner heat the control of mode more reasonable nimble, makes user's travelling comfort better.
In an optional embodiment of the present invention, when the temperature difference is greater than or equal to a first preset temperature difference, and the rotation speed of the indoor fan 12 is the lowest rotation speed of the indoor fan 12, the step of controlling the indoor fan to operate cyclically in the stop-start mode includes:
acquiring the refrigerant temperature of an indoor heat exchanger 11 of the indoor unit 10;
when the refrigerant temperature of the indoor heat exchanger 11 of the indoor unit 10 is greater than or equal to a first preset refrigerant temperature, controlling to switch the indoor fan 12 to operate in a startup state in the shutdown-startup mode;
when the refrigerant temperature of the indoor heat exchanger 11 of the indoor unit 10 is less than or equal to a second preset refrigerant temperature, controlling to switch the indoor fan 12 to be shut down in the shut down-on mode;
the first preset refrigerant temperature is greater than the second preset refrigerant temperature.
In the above embodiment, when the rotation speed of the indoor fan 12 cannot be adjusted, the shutdown or startup of the indoor fan 12 is controlled to prevent the outlet air temperature from being too low, so as to reduce the comfort level, wherein the specific manner of adjusting the startup or shutdown is to select by detecting the refrigerant temperature of the indoor heat exchanger 11.
When the refrigerant temperature of the indoor heat exchanger 11 is greater than or equal to the first preset refrigerant temperature, it indicates that the refrigerant temperature is higher at this time, and when the indoor fan 12 operates, the outlet air temperature is not too low, and the start-up operation of the indoor fan 12 is executed.
When the refrigerant temperature of the indoor heat exchanger 11 is less than or equal to the second preset refrigerant temperature, it indicates that the refrigerant temperature is lower, and when the indoor fan 12 operates, the outlet air temperature is lower, the use effect is not good, and the indoor fan 12 is stopped.
In the invention, the first preset refrigerant temperature is 56 ℃, the corresponding indoor fan 12 can output higher outlet air temperature when running at the lowest rotating speed, so that better experience can be brought to a user, and the second preset temperature is 48 ℃, when the refrigerant temperature is lower than 48 ℃, the indoor fan 12 continuously exhausts air at the moment, so that relatively lower cold air can be exhausted, and poor use experience is caused.
In an optional embodiment of the invention, said indoor ambient temperature T is measuredhA set temperature T of the indoor unit 10 or highersetAccording to the indoor ambient temperature ThControlling and increasing the outlet air temperature of the indoor unit 12 further includes:
acquiring the air outlet temperature of the indoor unit 10;
and when the air outlet temperature is lower than the preset air outlet temperature, controlling to reduce the air outlet included angle of the indoor unit 10.
In the above embodiment, when the air conditioner operates in a down-conversion mode, the air speed of the indoor fan 12 is adjusted to increase the outlet air temperature, so as to improve the comfort level, in the actual adjusting process, multiple adjustments may occur, so that the outlet air temperature cannot meet the requirement of a human body, that is, the preset outlet air temperature set in the present invention, at this time, the outlet air included angle of the indoor unit 10 is reduced by controlling, so as to reduce the circulating air volume of the indoor unit 10, and the outlet air temperature can be increased from another aspect, so as to improve the comfort level of a user.
Referring to fig. 2, the opening of the air guide door of the indoor unit 10 is adjusted from full opening to half opening to reduce the air outlet included angle, in this embodiment, when the indoor unit is adjusted in the 3 rd stage, that is, when the temperature difference is greater than or equal to the first preset temperature difference and the temperature difference is smaller than the second preset temperature difference, and the rotating speed of the indoor fan 12 is intermittently adjusted at the third preset rotating speed and the second preset rotating speed, the air outlet included angle of the indoor unit 10 is adjusted and reduced, so that the air outlet temperature can be adjusted in a matching manner, and the air outlet temperature can be quickly increased to a higher value to meet the comfort of a human body.
In an optional embodiment of the present invention, while the included angle of the outlet air of the indoor unit 10 is reduced, the air supply direction of the indoor unit 10 is adjusted to a target direction.
In the above embodiment, the air-out temperature of the indoor unit 10 is raised by adjusting the air-out included angle, so as to improve the comfort degree, in the time period of adjusting the air-out included angle, usually, the frequency of the compressor 21 is reduced to a time period with a lower frequency, at this time, the air-out temperature may not be easily adjusted to the temperature according with the comfort of the human body, at this time, the air supply direction of the indoor unit 10 is adjusted, the air supply direction is adjusted to the target direction, and the target direction can be the direction away from the human body, so as to avoid bringing a bad use effect to the.
The invention also proposes a control system of the heating mode, comprising:
an obtaining unit, configured to obtain an indoor environment temperature T during a heating operation of the indoor unit 10hAnd the current set temperature T of the indoor unit 10set；
A control unit for controlling the indoor temperature ThA set temperature T of the indoor unit 10 or highersetAccording to the indoor ambient temperature ThAnd controlling and increasing the air outlet temperature of the indoor unit 10.
Referring to fig. 4, 5 and 6, the current set temperature T of the indoor unit 10 is obtained by the obtaining unitsetAnd obtains the indoor ambient temperature T acquired by the indoor ambient temperature sensor 14hAnd the indoor ambient temperature ThAnd a set temperature TsetI.e. the indoor temperature information is transmitted to the control unit 30 for comparison, the control unit is based on said indoor ambient temperature ThAnd the set temperature TsetThe comparison of (2) controls the outlet air temperature of the indoor unit 10 to improve the comfort of the user.
Referring to fig. 6, in an alternative embodiment of the present invention, the control unit 30 includes:
a compressor frequency comparing unit 31 for comparing the frequency of the compressor 11 in the real-time operation with the compressor operation frequency stored in the memory unit 37, wherein the compressor frequency comparing unit 31 can provide the frequency comparison result to the compressor frequency determining unit 33, the indoor fan rotation speed determining unit 34, and the indoor air blowing direction determining unit 35 to control the compressor frequency, the rotation speed of the indoor fan 12, and the indoor air blowing direction;
a temperature comparing part 32 for receiving the current set temperature T of the indoor unit 10 acquired by the acquiring unitsetAnd the indoor ambient temperature T acquired by the indoor ambient temperature sensor 14hComparing and comparing the indoor temperature information;
a compressor frequency determining unit 33 for determining the operating frequency of the compressor 21 based on the results output from the compressor frequency comparing unit 31 and the temperature comparing unit 32, the compressor frequency determining unit 33 being capable of supplying the determined compressor operating frequency information to the operation control unit 36 to control the operating frequency of the compressor 21;
an indoor fan rotational speed determination unit 34 for determining the rotational speed of the indoor fan 12 from the results provided by the compressor frequency comparison unit 31 and the temperature comparison unit 32, and the refrigerant temperature of the indoor heat exchanger 11 provided by the indoor refrigerant temperature sensor 13, respectively, the indoor fan rotational speed determination unit 34 being capable of providing the determined indoor fan rotational speed information to the operation control unit 36;
an indoor air blowing direction determining unit 35 for determining an indoor air blowing direction and an air blowing angle based on the results output from the compressor frequency comparing unit 31 and the temperature comparing unit 32; the indoor air blowing direction determining unit 35 can supply the determined indoor air blowing direction information to the operation control unit 36;
an operation control unit 36 capable of generating control information for controlling the operating frequency of the compressor 21 based on the compressor operating frequency information supplied from the compressor frequency determining unit 33, and supplying the information to the compressor 21 to control the compressor 21; the operation control unit 36 generates control information for controlling the operating speed of the indoor fan 12 based on the indoor fan operating speed information supplied from the indoor fan speed determining unit 34, and supplies the information to the indoor fan 12 to control the indoor fan 12;
the memory 37 stores various information during the operation of the air conditioner in the memory 37. The memory 37 can read the stored information and provide the information to the compressor frequency comparing unit 31, the temperature comparing unit 32, the compressor frequency determining unit 33, the indoor fan rotation speed determining unit 34, and the indoor air blowing direction determining unit 35 for comparison;
in this embodiment, the operation of the compressor 21 is commonly controlled based on the compressor frequency comparing unit 31, the temperature comparing unit 32, the compressor frequency determining unit 33, the operation control unit 36, and the like during the operation of the air conditioner, and includes a down-conversion operation in which the indoor fan 12 is controlled to operate at a rotation speed corresponding to a frequency during the operation at a specific frequency, and in which the damper of the indoor unit 10 is controlled to operate at an air outlet angle and direction corresponding to a frequency.
The temperature comparing unit 32, the indoor fan rotational speed determining unit 34, the operation control unit 36, and the like control the indoor fan 12 in common so as to adjust the indoor ambient temperature ThAnd the set temperature T of the indoor unit 10setThe rotating speed of the indoor fan 10 is adjusted according to the temperature difference, so that the rising adjustment of the outlet air temperature is realized through the control of the rotating speed.
The indoor fan rotation speed determining unit 34 operates the control unit 36 and the like to determine the rotation speed of the indoor fan 12 by obtaining the refrigerant temperature of the indoor heat exchanger 11 provided by the indoor refrigerant temperature sensor 13, and if the temperature of the refrigerant in the indoor heat exchanger 11 of the indoor unit 10 is within a preset time range and the temperature is increased more than a preset temperature, the rotation speed of the indoor fan 12 is adjusted to the first preset rotation speed or the third preset rotation speed during the intermittent adjustment of the rotation speed of the indoor fan 12; when the temperature of the refrigerant of the indoor heat exchanger 11 of the indoor unit 10 is within a preset time range and the temperature decrease is greater than a preset temperature, the rotating speed of the indoor fan 12 is adjusted to the second preset rotating speed in the process of intermittently adjusting the rotating speed of the indoor fan 12, so that the rotating speed of the indoor fan 12 is reasonably controlled, and the air outlet temperature is increased, so that the comfort level of a user is higher.
The indoor air supply direction determining part 35, the temperature comparing part 32, the action control part 36 and the like determine the opening angle of the air guide door of the indoor unit 10 so as to reduce the air supply angle, raise the air outlet temperature and/or change the air supply direction of the air conditioner, for example, the air outlet temperature of the indoor unit 10 is obtained; when the air outlet temperature is lower than the preset air outlet temperature, the air outlet included angle of the indoor unit 10 is controlled to be reduced, or the air supply direction of the indoor unit 10 is adjusted to the target direction while the air outlet included angle of the indoor unit 10 is reduced, so that the air outlet temperature is adjusted as far as possible or further, the comfort requirement of a user is met, or when the air outlet temperature is difficult to be adjusted to the temperature meeting the requirement, the air supply direction is adjusted to the direction far away from the human body so as to prevent cold air from facing the human body.
The invention also provides an air conditioner, which comprises a computer readable storage medium and a processor, wherein the computer readable storage medium is used for storing a computer program, and the computer program is read by the processor and runs to realize the method so as to achieve the beneficial effects in the embodiment of the invention.
The present invention further provides a computer-readable storage medium, which stores a computer program, and when the computer program is read and executed by a processor, the method as described above is implemented, so as to achieve the beneficial effects in the embodiments of the present invention.
Wherein the storage medium includes: u disk, removable hard disk, read only memory, random access memory, magnetic or optical disk, etc. for storing program codes.
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 (11)

1. A control method of a heating mode, characterized by comprising:
acquiring indoor environment temperature and current set temperature of an indoor unit;
when the indoor environment temperature is greater than or equal to the set temperature of the indoor unit, the air outlet temperature of the indoor unit is controlled to be increased according to the indoor environment temperature, and the method specifically comprises the following steps:
calculating the temperature difference between the indoor environment temperature and the set temperature of the indoor unit;
and adjusting the rotating speed of the indoor fan according to the temperature difference so as to improve the air outlet temperature of the indoor unit.
2. The method for controlling a heating mode according to claim 1, wherein the step of adjusting the rotation speed of the indoor fan according to the temperature difference specifically comprises:
when the temperature difference is smaller than a first preset temperature difference, continuously reducing the rotating speed of the indoor fan, or intermittently adjusting the rotating speed of the indoor fan at a first preset rotating speed and a second preset rotating speed;
when the temperature difference is greater than or equal to a first preset temperature difference and smaller than a second preset temperature difference, continuously reducing the rotating speed of the indoor fan, or intermittently adjusting the rotating speed of the indoor fan at a third preset rotating speed and the second preset rotating speed;
the first preset rotating speed is greater than the third preset rotating speed, the third preset rotating speed is greater than the second preset rotating speed, and the first preset rotating speed is less than or equal to the rotating speed of the indoor fan corresponding to the set temperature.
3. The method of claim 2, wherein the adjusting the indoor fan speed according to the temperature difference further comprises:
and when the temperature difference is greater than or equal to the second temperature difference, controlling the air conditioner to stop.
4. The heating mode control method according to claim 1,
when the temperature difference is smaller than a first preset temperature difference, intermittently adjusting the rotating speed of the indoor fan at a first preset rotating speed and a second preset rotating speed;
when the temperature difference is greater than or equal to a first preset temperature difference and the temperature difference is smaller than a second preset temperature difference, intermittently adjusting the rotating speed of the indoor fan at a third preset rotating speed and the second preset rotating speed,
when the temperature of a refrigerant of an indoor heat exchanger of the indoor unit is within a preset time range and the temperature is increased by more than a preset temperature, adjusting the rotating speed of the indoor fan to the first preset rotating speed or the third preset rotating speed in the process of intermittently adjusting the rotating speed of the indoor fan;
when the temperature of a refrigerant of the indoor heat exchanger of the indoor unit is within a preset time range and the temperature is reduced by more than a preset temperature, the rotating speed of the indoor fan is adjusted to a second preset rotating speed in the process of intermittently adjusting the rotating speed of the indoor fan.
5. The heating mode control method according to claim 1, wherein the adjusting the rotation speed of the indoor fan according to the temperature difference further includes:
acquiring the rotating speed of the indoor fan;
and when the temperature difference is greater than or equal to a first preset temperature difference and the rotating speed of the indoor fan is the lowest rotating speed of the indoor fan, controlling the indoor fan to circularly operate in a stop-start mode.
6. The heating mode control method according to claim 5, wherein the step of controlling the indoor fan to operate cyclically in a stop-start mode when the temperature difference is equal to or greater than a first preset temperature difference and the rotation speed of the indoor fan is a minimum rotation speed of the indoor fan comprises:
acquiring the temperature of a refrigerant of an indoor heat exchanger of the indoor unit;
when the refrigerant temperature of an indoor heat exchanger of the indoor unit is greater than or equal to a first preset refrigerant temperature, controlling and switching the indoor fan to operate in a starting state in the shutdown-starting mode;
when the refrigerant temperature of an indoor heat exchanger of the indoor unit is less than or equal to a second preset refrigerant temperature, controlling and switching the indoor fan to be shut down in a shut-down and start-up mode;
the first preset refrigerant temperature is greater than the second preset refrigerant temperature.
7. The method for controlling a heating mode according to any one of claims 1 to 6, wherein the controlling of the increase of the outlet air temperature of the indoor unit according to the indoor ambient temperature when the indoor ambient temperature is equal to or higher than the set temperature of the indoor unit further includes:
acquiring the air outlet temperature of the indoor unit;
and when the air outlet temperature is lower than the preset air outlet temperature, controlling to reduce the air outlet included angle of the indoor unit.
8. The heating mode control method according to claim 7, wherein an air supply direction of the indoor unit is adjusted to a target direction while the air outlet included angle of the indoor unit is reduced.
9. A control system for a heating mode, comprising:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the indoor environment temperature and the current set temperature of the indoor unit in the heating operation process of the indoor unit;
the control unit is used for controlling and increasing the air outlet temperature of the indoor unit according to the indoor environment temperature when the indoor environment temperature is larger than or equal to the set temperature of the indoor unit, and specifically comprises: calculating the temperature difference between the indoor environment temperature and the set temperature of the indoor unit; and adjusting the rotating speed of the indoor fan according to the temperature difference so as to improve the air outlet temperature of the indoor unit.
10. An air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the method according to any one of claims 1 to 8.
11. A computer-readable storage medium, characterized in that it stores a computer program which, when read and executed by a processor, implements the method according to any one of claims 1-8.
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