CN111023417A - Air conditioner cold air prevention control method and device, air conditioner and storage medium - Google Patents

Air conditioner cold air prevention control method and device, air conditioner and storage medium Download PDF

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Publication number
CN111023417A
CN111023417A CN201911363273.1A CN201911363273A CN111023417A CN 111023417 A CN111023417 A CN 111023417A CN 201911363273 A CN201911363273 A CN 201911363273A CN 111023417 A CN111023417 A CN 111023417A
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China
Prior art keywords
air conditioner
stage
indoor
indoor fan
temperature
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Pending
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CN201911363273.1A
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Chinese (zh)
Inventor
岳阳
王振华
罗安发
强兵罗
钱益
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.)
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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Priority to CN201911363273.1A priority Critical patent/CN111023417A/en
Publication of CN111023417A publication Critical patent/CN111023417A/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
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • 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
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • F24F11/88Electrical aspects, e.g. circuits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • 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)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides a cold air prevention control method and device for an air conditioner, the air conditioner and a storage medium. The cold air preventing control method of the air conditioner comprises the following steps: the air conditioner is started in a heating mode, enters a cold air prevention stage, controls an indoor fan to adjust the rotating speed and the rotating direction of the indoor fan, and controls a compressor to adjust the running frequency of the indoor fan; and acquiring the temperature of an indoor coil in real time, and determining whether the air conditioner exits the cold air prevention stage or not according to the temperature of the indoor coil. According to the invention, the indoor coil pipe is rapidly heated by adjusting the rotating speed and the steering of the indoor fan and the running frequency of the compressor, so that the cold air prevention stage can be timely exited, the cold air prevention exiting time is shortened, a user can quickly sense hot air blown out by an air conditioner after heating and starting, and the user experience is improved.

Description

Air conditioner cold air prevention control method and device, air conditioner and storage medium
Technical Field
The invention relates to the technical field of air conditioners, in particular to a cold air prevention control method and device for an air conditioner, the air conditioner and a storage medium.
Background
When the air conditioner is heated and started in winter, the temperature of the indoor side coil pipe is too low, and wind with low temperature is easily blown out, so that cold wind is blown out during starting, the heating effect experience of a user is reduced, and the air conditioner is generally controlled to prevent cold wind. In the prior art, an indoor fan is generally controlled not to be started in a cold air prevention stage, the indoor fan is controlled to operate until the temperature of an indoor coil reaches a certain temperature, the rotating speed change of the indoor fan is controlled by detecting the temperature of the indoor coil after the indoor coil operates for a period of time, and finally, when the temperature of the indoor coil reaches a certain value, the cold air prevention control is quitted. However, the control method has the problems of slow temperature rise of the indoor coil and long exiting time, so that the user experience effect is poor.
Disclosure of Invention
The invention solves the problems of slow temperature rise and long exiting time of an indoor coil pipe in cold air prevention control of the conventional air conditioner.
In order to solve the above problems, the present invention provides a method for controlling an air conditioner to prevent cold wind, comprising the steps of:
the air conditioner is started in a heating mode, enters a cold air prevention stage, controls an indoor fan to adjust the rotating speed and the rotating direction of the indoor fan, and controls a compressor to adjust the running frequency of the indoor fan; and acquiring the temperature of an indoor coil in real time, and determining whether the air conditioner exits the cold air prevention stage or not according to the temperature of the indoor coil.
According to the invention, the indoor coil pipe is rapidly heated by adjusting the rotating speed and the steering of the indoor fan and the running frequency of the compressor, so that the cold air prevention stage can be timely exited, the cold air prevention exiting time is shortened, a user can quickly sense hot air blown out by an air conditioner after heating and starting, and the user experience is improved.
Further, the cold wind prevention stage includes a first stage in which the indoor fan is operated at a first rotation speed and a second stage in which the indoor fan is reversely operated at a second rotation speed, wherein the second rotation speed is greater than the first rotation speed.
According to the invention, the indoor fan is reversed in the second stage, so that the problem that the temperature of the indoor coil pipe is slowly increased after the rotating speed of the indoor fan is increased, cold air is blown out possibly, and the user experience is influenced is avoided.
Further, in the first stage, the compressor operates at a frequency higher than a preset compressor operating frequency, and in the second stage, the compressor operates at the preset compressor operating frequency.
In the first stage, on the basis of the preset frequency of the system, the running frequency of the compressor is properly increased to increase the temperature of the indoor coil. In the second stage, on the basis of the increase of the indoor coil temperature, the indoor side pressure does not need to be increased by increasing the frequency of the compressor any more to increase the indoor coil temperature, and the compressor is directly operated at the preset frequency of the system, so that the adverse effect caused by frequently adjusting the frequency of the compressor is avoided.
Further, when the air conditioner is operated in the first stage, the indoor fan is operated in a reverse direction at the first rotation speed.
Because in the first stage, indoor fan rotational speed is lower, therefore indoor fan forward or reverse operation is less to the difference of indoor coil pipe temperature promotion, therefore indoor fan reversal operation in the first stage can avoid indoor fan to turn to uncomfortable experience that brings indoor user when switching.
Further, still include: and when the temperature of the indoor coil pipe is greater than a first threshold value, or the running time of the air conditioner in the first stage reaches a first preset time, the air conditioner runs in the second stage.
In the first stage, the running frequency of the compressor is increased, the rotating speed of an indoor fan is reduced, the indoor side pressure is increased, the temperature of the indoor coil pipe is promoted to rise, and whether the first stage exits or not is judged according to the two conditions, so that the condition that the temperature of the indoor coil pipe rises sharply is prevented from promoting the frequency reduction protection of the compressor.
Further, the determining whether to exit the cold-proof stage according to the indoor coil temperature comprises: and when the temperature of the indoor coil pipe is greater than a second threshold value, controlling the air conditioner to exit the cold air prevention stage.
Through the comparison of the indoor coil temperature and the second threshold value, the mode of judging whether to quit the cold-proof air stage is simple, quick and convenient, and the indoor coil temperature is easy to obtain.
Further, the controlling the air conditioner to exit the cold air prevention stage comprises: and controlling the indoor fan to stop running, and controlling the indoor fan to run in the forward direction after a third preset time.
Therefore, the influence on the reliability of the motor caused by instant steering of the indoor fan is avoided by setting the third preset time.
The invention also provides a cold air prevention control device of the air conditioner, which comprises:
the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring whether the air conditioner is started up in a heating mode or not;
the acquisition unit is also used for acquiring whether the air conditioner enters a cold air prevention stage;
the acquisition unit is also used for acquiring the temperature of the indoor coil;
the control unit is used for controlling the indoor fan to adjust the rotating speed and the rotating direction of the indoor fan;
the control unit is also used for controlling the compressor to adjust the running frequency of the compressor;
the control unit is also used for controlling whether the air conditioner exits the cold air prevention stage or not according to the temperature of the indoor coil.
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 cold air prevention control method of the air conditioner.
The invention also 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 for controlling the cold air prevention of the air conditioner is realized.
Compared with the prior art, the air conditioner cold air prevention control device and the air conditioner provided by the invention have the same beneficial effects as the air conditioner cold air prevention control method in the prior art, and are not repeated herein.
Drawings
FIG. 1 is a flow chart illustrating a method for controlling an air conditioner to prevent cold air in accordance with an embodiment of the present invention;
FIG. 2 is a functional diagram of a cold air preventing control device of an air conditioner according to an embodiment of the present invention.
Detailed Description
Whether go out cold wind stage of preventing is generally judged through detecting indoor coil pipe temperature among the prior art, just withdraw from cold wind stage when indoor coil pipe temperature reaches the uniform temperature, and when the start of heating, indoor fan generally does not start or low-speed operation, therefore indoor coil pipe temperature rises slowly, and indoor coil pipe temperature reaches the time of uniform temperature longer, and cold wind of preventing withdraws from the time longer, and the user can't blow to hot-blastly fast, influences user experience.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, an embodiment of the invention provides a method for controlling an air conditioner to prevent cold wind, which is used for shortening the time for the air conditioner to prevent cold wind from exiting in a heating mode, and includes the following steps:
the air conditioner is started in a heating mode, enters a cold air prevention stage, controls an indoor fan to adjust the rotating speed and the rotating direction of the indoor fan, and controls a compressor to adjust the running frequency of the indoor fan; and acquiring the temperature of the indoor coil in real time, and determining whether the air conditioner exits the cold air prevention stage or not according to the temperature of the indoor coil.
The cold air prevention stage comprises a first stage and a second stage, and the air conditioner is controlled to enter the first stage;
after the air conditioner enters a first stage, controlling an indoor fan to operate at a first rotating speed, and controlling a compressor to operate at a first frequency, wherein the first frequency is greater than a preset compressor operating frequency;
when the first condition is met, controlling the air conditioner to enter a second stage;
after the air conditioner enters a second stage, controlling the indoor fan to reversely rotate at a second rotating speed, and controlling the compressor to operate at a preset compressor operating frequency, wherein the second rotating speed is greater than the first rotating speed;
and when the second condition is met, controlling the air conditioner to exit the cold-proof stage.
When the air conditioner is started in a heating mode, in order to enable a user to feel that air blown out of the air conditioner is hot air, the compressor is started immediately after the air conditioner is started so as to heat as soon as possible. The control system of the air conditioner is preset with the operation parameters of the compressor in the starting and operation stages. In this embodiment, after the air conditioner is started in the heating mode, the system controls the compressor to operate according to a preset frequency of the compressor preset in the system, and simultaneously controls the air conditioner to enter the cold air prevention stage.
The air conditioner firstly enters a first stage, in which the indoor fan is operated at a first rotation speed and the compressor is operated at a preset frequency higher than a preset current compressor frequency in the system, and for convenience of illustration, assuming that the preset current compressor frequency in the system is H1, in the first stage, the compressor is controlled to operate at a first frequency H1', wherein H1 ═ H1+ Δ H, Δ H > 0. By increasing the running frequency of the compressor, the indoor side pressure is increased, and the temperature of the indoor coil pipe is promoted to rise rapidly.
When the air conditioner meets the first condition, the air conditioner enters a second stage, and in the second stage, the operation frequency of the compressor is adjusted to be the current preset frequency H2 preset in the system, it should be understood that, at this moment, the preset frequency H2 of the compressor in the system may be the same as or different from the preset frequency H1 of the compressor in the system in the first stage, specifically, the actual setting of the system is taken as the standard. Simultaneously, increase indoor fan rotational speed to in order to obtain higher heating capacity, nevertheless to avoid indoor coil pipe temperature this moment still lower, increase indoor fan rotational speed can lead to cold wind to blow off, in this embodiment, control indoor fan reverses at the second stage, so not only avoided blowing off because of the cold wind that the increase indoor fan rotational speed leads to, has still promoted indoor coil pipe temperature simultaneously.
Therefore, according to the cold wind prevention control method for the air conditioner, the rotating speed and the steering of the indoor fan are adjusted, the running frequency of the compressor is adjusted, the indoor coil pipe is rapidly heated, the cold wind prevention stage is timely withdrawn, a user can quickly feel hot wind blown out by the air conditioner after the air conditioner is heated and started, and user experience is improved.
In the first phase, the indoor fan is operated at a first speed R1. In the prior art, an indoor fan is generally controlled not to be started or to run at a lower rotating speed. But first rotational speed is low excessively, and indoor coil pipe temperature rises at the excessive speed, can promote the compressor protection that reduces the frequency, and compressor frequency reduces the back, and indoor coil pipe temperature also can reduce, and the air-out temperature will be on the low side this moment, influences user experience. When the first rotating speed is too high, the temperature of the indoor coil pipe rises slowly, and the user experience is also influenced. Therefore, the first rotation speed needs to be limited within a certain range, and in the embodiment, the first rotation speed R1 is set to 500-800R/min, preferably 700R/min.
In the first stage, the compressor is operated at a first frequency H1', H1 ═ H1+ Δ H, Δ H >0, where Δ H is a correction value, and when Δ H is too low, the indoor pressure rise is not significant, resulting in a slow temperature rise of the inner coil. If Δ H is too high, the compressor frequency is too high, and abnormal noise is likely to occur. Therefore, Δ H is set to 5-10Hz, preferably 8Hz in this embodiment.
In the first stage, the operation frequency of the compressor is increased, and the rotating speed of the indoor fan is reduced, so that the indoor side pressure is increased, and the temperature of the indoor coil pipe is promoted to rise. However, to prevent the sudden rise in indoor coil temperature from triggering compressor downconversion protection, when the first condition is met, the first stage is exited and the second stage is entered. Wherein the first condition is: the indoor coil temperature is greater than a first threshold T1 or the air conditioner first stage operating time reaches a first preset time. The first threshold is the maximum indoor coil temperature that ensures that the compressor does not generate noise and does not trigger downconversion protection, and T1 is 30-35 c, preferably 33 c.
In the second stage, the compressor is operated at the second frequency, the second frequency H2' is equal to the current preset frequency value H2 of the compressor preset in the system in the second stage, and on the basis that the indoor coil temperature in the first stage is increased, the second stage does not need to increase the indoor side pressure by increasing the frequency of the compressor any more so as to increase the indoor coil temperature, and the compressor is directly operated at the set value of the system, so that the adverse effect caused by frequently adjusting the frequency of the compressor is avoided.
Preferably, the second condition is: the indoor coil temperature is greater than a second threshold T2. On the one hand, it is comparatively easy to acquire indoor coil pipe temperature, set up on indoor heat exchanger the temperature sensing package can, on the other hand, through the comparison of indoor coil pipe temperature and second threshold value, the mode of judging whether withdraw from cold wind stage is simple, swift, convenient.
Furthermore, in the second stage, in order to achieve that the temperature of the indoor coil reaches the second threshold value as soon as possible, the rotating speed of the indoor fan is increased to the second rotating speed, and meanwhile, the indoor fan is controlled to rotate reversely. Through controlling indoor fan to turn to, it is slower to avoid indoor coil pipe temperature to rise behind the indoor fan rotational speed risees, probably leads to cold wind to blow off, influences user experience. Wherein the second rotation speed is 900-. The second rotating speed is in the range, so that the frequency reduction protection risk possibly promoted due to too low rotating speed is reduced, and the problem of slow temperature rise of the indoor coil pipe caused by too high rotating speed is solved.
Preferably, in order to avoid indoor fan to bring uncomfortable experience to indoor user when turning to the switching, in some embodiments, indoor fan is reverse rotation promptly in the first stage, because in the first stage, indoor fan rotational speed is lower, and consequently indoor fan forward or reverse operation is less to the difference of indoor coil pipe temperature promotion, and consequently indoor fan is reverse running promptly in the first stage, has avoided getting into the adverse effect that brings because of indoor fan forward and reverse switching when the second stage.
Further, the condition that the air conditioner exits the cold air prevention stage is as follows: the indoor coil temperature is greater than a second threshold for a second predetermined time. Preferably, in order to ensure that the outlet air temperature of the indoor unit can meet the human body comfort perception after the cold air prevention stage exits, the second threshold value is set to be 38-40 ℃, and is preferably 39 ℃.
Further, when the temperature of the indoor coil pipe is greater than the second threshold value, controlling the air conditioner to exit the cold air prevention stage specifically comprises: and when the temperature of the indoor coil pipe is greater than a second threshold value and lasts for a second preset time, controlling the indoor fan to stop running, controlling the indoor fan to run in the forward direction after a third preset time, and simultaneously controlling the air conditioner to run according to preset parameters of the system. In order to avoid the influence of the instant steering of the indoor fan on the reliability of the motor, a third preset time is set for buffering.
In the following, a detailed description will be given with reference to an embodiment, in which the first rotation speed R1 is 700R/min, Δ H is 8Hz, the first threshold T1 is 33 ℃, the second rotation speed R2 is 1000R/min, the second threshold T2 is 39 ℃, the second predetermined time is 5s, and the third predetermined time is 5 s.
As shown in fig. 1, the air conditioner is turned on in a heating mode, and after the compressor operates at a preset frequency, the indoor fan is controlled to operate in a reverse direction and operate at 700r/min, and the compressor is controlled to operate at a first frequency H1 ', wherein the first frequency H1' is (H1+8) Hz.
The indoor fan runs reversely at 700r/min, the temperature of the indoor coil is detected in real time after the compressor runs at a first frequency, whether the temperature of the indoor coil is more than 33 ℃ is judged, when the temperature of the indoor coil is more than 33 ℃, the indoor fan is controlled to run reversely at 1000r/min, and meanwhile the compressor runs at a second frequency, wherein the second frequency H2' is H2. Otherwise, the temperature of the indoor coil pipe is continuously detected, and whether the temperature of the indoor coil pipe is more than 33 ℃ is judged.
The indoor fan runs reversely at 1000r/min, the temperature of the indoor coil is detected in real time after the compressor runs at the second frequency, whether the temperature of the indoor coil is higher than 39 ℃ or not is judged, when the temperature of the indoor coil is higher than 39 ℃ and lasts for 5s, the indoor fan is controlled to stop running, after the indoor fan stops running for 5s, the indoor fan is controlled to run forwards, and meanwhile the air conditioner is controlled to run according to system setting parameters, such as temperature setting, windshield setting, preset frequency and the like. Otherwise, the temperature of the indoor coil pipe is continuously detected, and whether the temperature of the indoor coil pipe is higher than 39 ℃ is judged.
Another embodiment of the present invention further provides a cold air preventing control device for an air conditioner, including:
the acquisition unit is used for acquiring whether the air conditioner is started up in a heating mode;
the acquisition unit is also used for acquiring whether the air conditioner enters a cold air prevention stage;
the acquisition unit is also used for acquiring the temperature of the indoor coil;
the control unit is used for controlling the indoor fan to adjust the rotating speed and the rotating direction of the indoor fan;
the control unit is also used for controlling the compressor to adjust the running frequency of the compressor;
the control unit is also used for controlling whether the air conditioner exits the cold-proof stage or not according to the temperature of the indoor coil.
Further, in some embodiments, as shown in fig. 2, the obtaining unit is further configured to obtain an indoor fan rotation speed, a compressor operation frequency, and an air conditioner operation time.
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 cold air prevention control method of the air conditioner.
The invention also 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 for controlling the cold air prevention of the air conditioner is realized.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A cold wind prevention control method for an air conditioner is characterized by comprising the following steps:
the air conditioner is started in a heating mode, enters a cold air prevention stage, controls an indoor fan to adjust the rotating speed and the rotating direction of the indoor fan, and controls a compressor to adjust the running frequency of the indoor fan; and acquiring the temperature of an indoor coil in real time, and determining whether the air conditioner exits the cold air prevention stage or not according to the temperature of the indoor coil.
2. The cool air prevention control method of claim 1, wherein the cool air prevention stage comprises a first stage in which the indoor fan is operated at a first rotation speed and a second stage in which the indoor fan is reversely operated at a second rotation speed, wherein the second rotation speed is greater than the first rotation speed.
3. The cold wind prevention control method of claim 2, wherein the indoor fan is operated in a reverse direction at the first rotation speed when the air conditioner is operated in the first stage.
4. The cold-blast proof control method of claim 2, wherein in the first stage, the compressor is operated at a frequency higher than a preset operating frequency of the compressor, and in the second stage, the compressor is operated at the preset operating frequency of the compressor.
5. The cold-proof wind control method of air conditioner according to claim 2, further comprising: and when the temperature of the indoor coil pipe is greater than a first threshold value or the running time of the air conditioner in the first stage reaches a first preset time, the air conditioner runs in the second stage.
6. The method of claim 1, wherein the determining whether to exit the anti-cold air stage according to the indoor coil temperature comprises: and when the temperature of the indoor coil pipe is greater than a second threshold value, controlling the air conditioner to exit the cold air prevention stage.
7. The method as claimed in claim 6, wherein the controlling the air conditioner to exit the cold-proof phase comprises: and controlling the indoor fan to stop running, and controlling the indoor fan to run in the forward direction after a third preset time.
8. An air conditioner cold air prevention control device, comprising:
the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring whether the air conditioner is started up in a heating mode or not;
the acquisition unit is also used for acquiring whether the air conditioner enters a cold air prevention stage;
the acquisition unit is also used for acquiring the temperature of the indoor coil;
the control unit is used for controlling the indoor fan to adjust the rotating speed and the rotating direction of the indoor fan;
the control unit is also used for controlling the compressor to adjust the running frequency of the compressor;
the control unit is also used for controlling whether the air conditioner exits the cold air prevention stage or not according to the temperature of the indoor coil.
9. An air conditioner comprising a computer-readable storage medium storing a computer program and a processor, wherein the computer program is read by the processor and executed to implement the anti-cold air control method of the air conditioner according to any one of claims 1 to 7.
10. A computer-readable storage medium storing a computer program which, when read and executed by a processor, implements the air conditioner cold wind prevention control method according to any one of claims 1 to 7.
CN201911363273.1A 2019-12-26 2019-12-26 Air conditioner cold air prevention control method and device, air conditioner and storage medium Pending CN111023417A (en)

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CN113203171A (en) * 2021-05-12 2021-08-03 宁波奥克斯电气股份有限公司 Air conditioner control method and device, air conditioner and computer readable storage medium
CN113418234A (en) * 2021-06-30 2021-09-21 广东美的制冷设备有限公司 Floor type air conditioner, control method thereof and computer readable storage medium
CN113932402A (en) * 2020-07-13 2022-01-14 广东美的制冷设备有限公司 Heating control method of air conditioner, air conditioner and storage medium
CN113959074A (en) * 2021-10-12 2022-01-21 珠海格力电器股份有限公司 Control method of air conditioner and air conditioner
CN114383305A (en) * 2020-10-19 2022-04-22 广东美的精密模具科技有限公司 Air conditioner, dehumidification control method thereof and computer readable storage medium
WO2024108959A1 (en) * 2022-11-21 2024-05-30 青岛海尔空调器有限总公司 Air conditioner heating control method and apparatus, and air conditioner

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Application publication date: 20200417