CN105987485A - Air conditioner and control method and system thereof - Google Patents
Air conditioner and control method and system thereof Download PDFInfo
- Publication number
- CN105987485A CN105987485A CN201610520207.0A CN201610520207A CN105987485A CN 105987485 A CN105987485 A CN 105987485A CN 201610520207 A CN201610520207 A CN 201610520207A CN 105987485 A CN105987485 A CN 105987485A
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- Prior art keywords
- air
- conditioner
- dew point
- temperature
- point temperature
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Classifications
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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
- F24F11/70—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
-
- 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
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- 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
Abstract
The invention discloses an air conditioner and control method and system thereof. The control method comprises the following steps of S1, judging whether the current running mode of the air conditioner is a refrigerating mode or a dehumidification mode or not; S2, detecting the indoor ambient air temperature and the surface temperature of an indoor evaporator if the current running mode of the air conditioner is the refrigerating mode or the dehumidification mode; S3, acquiring the corresponding air dew point temperature according to the indoor ambient air temperature; S4, judging whether the air dew point temperature is larger than the surface temperature of the indoor evaporator or not; and S5, controlling an outdoor fan to reduce the current rotational speed to a first preset rotational speed if the air dew point temperature is smaller than or equal to the surface temperature of the indoor evaporator, and returning to the step S2. According to the control method of the air conditioner of the embodiment of the invention, the surface temperature of the indoor evaporator rises by lowering the rotational speed of the outdoor fan, the purpose of anti-condensation control is reached, and the control method is simple and feasible.
Description
Technical field
The present invention relates to air-conditioning technical field, be specifically related to a kind of air-conditioner and control method, system.
Background technology
At present, the anti-condensation means of air-conditioner have a lot.Structurally, can be by increasing evaporimeter and indoor set surface
Thermal conduction resistance, such as the modes such as patch sponge, reach anti-condensation purpose；From the angle of system, can be compressed by reduction
The modes such as machine running frequency and regulation indoor fan rotating speed reach anti-condensation purpose.
Content of the invention
It is contemplated that one of technical problem solving at least to a certain extent in above-mentioned technology.To this end, the one of the present invention
Purpose is to propose the control method of a kind of air-conditioner, and this control method, by reducing the rotating speed of outdoor fan, reaches anti-condensation
The purpose of control, controls simple.
Second object of the present invention is to propose the control system of a kind of air-conditioner.
Third object of the present invention is to propose a kind of air-conditioner.
For reaching above-mentioned purpose, the embodiment of first aspect present invention proposes the control method of a kind of air-conditioner, described air-conditioning
Device includes indoor evaporator and outdoor fan, and described control method comprises the following steps: S1, it is judged that the current operation of air-conditioner
Whether pattern is refrigeration mode or dehumidification mode；S2, if the present mode of operation of described air-conditioner is refrigeration mode or dehumidifying
Pattern, then detect indoor environment air themperature and described indoor evaporator surface temperature；S3, according to described indoor air
Temperature obtains corresponding air dew point temperature；S4, it is judged that whether described air dew point temperature is more than described indoor evaporator surface
Temperature；S5, if described air dew point temperature is less than or equal to described indoor evaporator surface temperature, then controls described outdoor
Current rotating speed is reduced the first preset rotation speed by blower fan, and returns step S2.
The control method of the air-conditioner of the embodiment of the present invention, the present mode of operation at air-conditioner is refrigeration mode or dehumidification mode
When, detection indoor environment air themperature and indoor evaporator surface temperature, and obtain corresponding according to indoor air temperature
Air dew point temperature, and then when air dew point temperature is less than or equal to indoor evaporator surface temperature, control outdoor fan subtracts
Little current rotating speed, thus, reaches the purpose of anti-condensation control, and this control method is simple.
In addition, the control method of air-conditioner according to the above embodiment of the present invention can also have a following additional technical characteristic:
According to one embodiment of present invention, described control method, also includes: if described air dew point temperature is more than described
Indoor evaporator surface temperature, then confirm that described air-conditioner is properly functioning.
According to one embodiment of present invention, described control method, also includes: if the present mode of operation of described air-conditioner
It is refrigeration mode or dehumidification mode, then detect indoor environment air humidity.
According to one embodiment of present invention, described according to the corresponding air dew point temperature of described indoor air temperature acquisition
Including: inquire about air dew point temperature table according to described indoor air temperature and described indoor air humidity, to obtain
Described air dew point temperature.
According to one embodiment of present invention, after described outdoor fan runs with the rotating speed after reducing, if air dew point temperature
Degree be more than indoor evaporator surface temperature, then control described outdoor fan and rotating speed increased to initial speed, wherein, described at the beginning of
Beginning rotating speed is running speed when not carrying out adjustment of rotational speed for the described outdoor fan.
For reaching above-mentioned purpose, the embodiment of second aspect present invention proposes the control system of a kind of air-conditioner, described air-conditioning
Device includes indoor evaporator and outdoor fan, and described control system includes: the first judge module, for judging working as of air-conditioner
Whether front operational mode is refrigeration mode or dehumidification mode；Detection module, for the present mode of operation at described air-conditioner be
When refrigeration mode or dehumidification mode, detection indoor environment air themperature and described indoor evaporator surface temperature；Acquisition module,
For obtaining corresponding air dew point temperature according to described indoor air temperature；Second judge module, is used for judging described
Whether air dew point temperature is more than described indoor evaporator surface temperature；Control module, is used for little at described air dew point temperature
In or be equal to described indoor evaporator surface temperature when, control described outdoor fan by current rotating speed reduce the first preset rotation speed.
The control system of the air-conditioner of the embodiment of the present invention, the present mode of operation at air-conditioner is refrigeration mode or dehumidification mode
When, by detection module detection indoor environment air themperature and indoor evaporator surface temperature, and by acquisition module according to room
Interior ambient air temperature obtains corresponding air dew point temperature, and then is less than or equal at air dew point temperature by control module
During indoor evaporator surface temperature, control outdoor fan reduces current rotating speed, thus, reaches the purpose of anti-condensation control, should
Control system is simple.
In addition, the control system of air-conditioner according to the above embodiment of the present invention can also have a following additional technical characteristic:
According to one embodiment of present invention, described control system, also includes: confirm module, at described air dew point
When temperature is more than described indoor evaporator surface temperature, confirm that described air-conditioner is properly functioning.
According to one embodiment of present invention, described detection module is additionally operable to: the present mode of operation at described air-conditioner is system
When chill formula or dehumidification mode, detect indoor environment air humidity.
According to one embodiment of present invention, described acquisition module specifically for: according to described indoor air temperature and institute
State indoor air humidity inquiry air dew point temperature table, to obtain described air dew point temperature.
According to one embodiment of present invention, after described outdoor fan runs with the rotating speed after reducing, described control module is also
For: when air dew point temperature is more than indoor evaporator surface temperature, controls described outdoor fan and rotating speed is increased to initially
Rotating speed, wherein, described initial speed is running speed when not carrying out adjustment of rotational speed for the described outdoor fan.
Further, the invention allows for a kind of air-conditioner, including the control system of the air-conditioner of the above embodiment of the present invention.
The air-conditioner of the embodiment of the present invention, can reach the purpose of anti-condensation control by reducing the rotating speed of outdoor fan.
Brief description
Above-mentioned and/or the additional aspect of the present invention and advantage will be apparent from from combining the description to embodiment for the accompanying drawings below
With easy to understand, wherein:
Fig. 1 is the flow chart of the control method of the air-conditioner of one embodiment of the invention；
Fig. 2 is the structured flowchart of the control system of the air-conditioner of one embodiment of the invention；
Fig. 3 is the structured flowchart of the control system of the air-conditioner of another embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, wherein identical from start to finish
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings air-conditioner and control method, the system of the embodiment of the present invention are described.
Fig. 1 is the flow chart of the control method of air-conditioner according to an embodiment of the invention.
In an embodiment of the present invention, air-conditioner includes indoor evaporator and outdoor fan.
As it is shown in figure 1, this control method includes:
S1, it is judged that whether the present mode of operation of air-conditioner is refrigeration mode or dehumidification mode.
S2, if the present mode of operation of air-conditioner is refrigeration mode or dehumidification mode, then detect indoor environment air themperature and
Indoor evaporator surface temperature.
In one embodiment of the invention, if the present mode of operation of air-conditioner is refrigeration mode or dehumidification mode, then also
Indoor environment air humidity can be detected.
S3, obtains corresponding air dew point temperature according to indoor air temperature.
Specifically, air dew point temperature table can be inquired about according to indoor air temperature and indoor air humidity, to obtain
Take air dew point temperature.
For example, in one embodiment of the invention, air dew point temperature table can be as shown in table 1:
Table 1
As shown in table 1, when indoor air temperature be 29 DEG C, indoor air humidity be 50% when, corresponding air
Dew-point temperature is 18 DEG C.
S4, it is judged that whether air dew point temperature is more than indoor evaporator surface temperature.
S5, if air dew point temperature is less than or equal to indoor evaporator surface temperature, then controls outdoor fan by current rotating speed
Reduce the first preset rotation speed, and return step S2.
It should be noted that after the rotating speed of outdoor fan reduces, the exchange capability of heat of outdoor heat exchanger will weaken accordingly,
And corresponding condensation temperature will rise, thus can indirectly promote evaporating temperature in air conditioner chamber, thereby it is ensured that empty
The surface temperature adjusting device is higher than air dew point temperature, thus reaches anti-condensation purpose.
It is understood that the surface temperature that the immediate cause that air-conditioner surface condensation produces is air-conditioner is less than air dew point temperature
Degree, therefore can carry out anti-condensation control by improving air-conditioner surface temperature.
Further, in one embodiment of the invention, after outdoor fan runs with the rotating speed after reducing, if air
Dew-point temperature is more than indoor evaporator surface temperature, then control outdoor fan and rotating speed is increased to initial speed, so that air-conditioner
Properly functioning in a conventional mode.
Wherein, initial speed is running speed when not carrying out adjustment of rotational speed for the outdoor fan.
In one embodiment of the invention, if air dew point temperature is more than indoor evaporator surface temperature, then air-conditioning is confirmed
Device is properly functioning.
The control method of the air-conditioner of the embodiment of the present invention, the present mode of operation at air-conditioner is refrigeration mode or dehumidification mode
When, detection indoor environment air themperature and indoor evaporator surface temperature, and obtain corresponding according to indoor air temperature
Air dew point temperature, and then when air dew point temperature is less than or equal to indoor evaporator surface temperature, control outdoor fan subtracts
Little current rotating speed, thus, reaches the purpose of anti-condensation control, and this control method is simple.
Fig. 2 is the structured flowchart of the control system of air-conditioner according to an embodiment of the invention.
In an embodiment of the present invention, air-conditioner includes indoor evaporator and outdoor fan.
As in figure 2 it is shown, this control system includes: the 30th, the first judge module the 10th, detection module the 20th, acquisition module second is sentenced
Disconnected module 40 and control module 50.
Wherein, whether the first judge module 10 is refrigeration mode or dehumidification mode for judging the present mode of operation of air-conditioner.
Detection module 20 is for when the present mode of operation of air-conditioner is refrigeration mode or dehumidification mode, and detection indoor environment is empty
Temperature and indoor evaporator surface temperature.
In one embodiment of the invention, detection module 30 be additionally operable to the present mode of operation of air-conditioner be refrigeration mode or
During dehumidification mode, detect indoor environment air humidity
Acquisition module 30 is for obtaining corresponding air dew point temperature according to indoor air temperature.
Specifically, acquisition module 30 is for inquiring about air dew point temperature according to indoor air temperature and indoor air humidity
Degree table, to obtain air dew point temperature.
For example, in one embodiment of the invention, air dew point temperature table can be as shown in table 1:
Table 1
As shown in table 1, when indoor air temperature be 29 DEG C, indoor air humidity be 50% when, corresponding air
Dew-point temperature is 18 DEG C.
Second judge module 40 is used for judging whether air dew point temperature is more than indoor evaporator surface temperature.
Control module 50 is for when air dew point temperature is less than or equal to indoor evaporator surface temperature, and control outdoor fan will
Current rotating speed reduces the first preset rotation speed.
It should be noted that after the rotating speed of outdoor fan reduces, the exchange capability of heat of outdoor heat exchanger will weaken accordingly,
And corresponding condensation temperature will rise, thus can indirectly promote evaporating temperature in air conditioner chamber, thereby it is ensured that room
Interior evaporator surface temperature is higher than air dew point temperature, thus reaches anti-condensation purpose.
It is understood that the immediate cause that air-conditioner surface condensation produces is indoor evaporator surface temperature is less than air dew point
Temperature, therefore can carry out anti-condensation control by improving indoor evaporator surface temperature.
Further, in one embodiment of the invention, after outdoor fan runs with the rotating speed after reducing, control module
50 are additionally operable to when air dew point temperature is more than indoor evaporator surface temperature, and rotating speed is increased to initial turning by control outdoor fan
Speed, so that air-conditioner is properly functioning in a conventional mode.
Wherein, initial speed is running speed when not carrying out adjustment of rotational speed for the outdoor fan.
In one embodiment of the invention, as it is shown on figure 3, this control system can also include validating that module 60.Confirm mould
Block 60 is for when air dew point temperature is more than indoor evaporator surface temperature, confirming that described air-conditioner is properly functioning.
The control system of the air-conditioner of the embodiment of the present invention, the present mode of operation at air-conditioner is refrigeration mode or dehumidification mode
When, by detection module detection indoor environment air themperature and indoor evaporator surface temperature, and by acquisition module according to room
Interior ambient air temperature obtains corresponding air dew point temperature, and then is less than or equal at air dew point temperature by control module
During indoor evaporator surface temperature, control outdoor fan reduces current rotating speed, thus, reaches the purpose of anti-condensation control, should
Control system is simple.
Further, the present invention proposes a kind of air-conditioner, including the control system of the air-conditioner of the above embodiment of the present invention.
It should be noted that the air-conditioner of the detailed description of the invention of the air-conditioner of the embodiment of the present invention and the above embodiment of the present invention
The detailed description of the invention of control system identical, for reducing redundancy, do not repeat herein.
The air-conditioner of the embodiment of the present invention, can reach the purpose of anti-condensation control by reducing the rotating speed of outdoor fan.
In addition, other of the air-conditioner of the above embodiment of the present invention are constituted and effect is all to those skilled in the art
Known, for reducing redundancy, do not repeat herein.
In describing the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " the
One ", the feature of " second " can express or implicitly include at least one this feature.In describing the invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or
Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height and be less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
It is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of not conflicting, ability
The feature of the different embodiment described in this specification or example and different embodiment or example can be entered by the technical staff in territory
Row combines and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, change, replace and modification.
Claims (11)
1. the control method of an air-conditioner, it is characterised in that described air-conditioner includes indoor evaporator and outdoor fan, institute
State control method to comprise the following steps:
S1, it is judged that whether the present mode of operation of air-conditioner is refrigeration mode or dehumidification mode；
S2, if the present mode of operation of described air-conditioner is refrigeration mode or dehumidification mode, then detects indoor environment Air Temperature
Degree and described indoor evaporator surface temperature；
S3, obtains corresponding air dew point temperature according to described indoor air temperature；
S4, it is judged that whether described air dew point temperature is more than described indoor evaporator surface temperature；
S5, if described air dew point temperature is less than or equal to described indoor evaporator surface temperature, then controls described outdoor wind
Current rotating speed is reduced the first preset rotation speed by machine, and returns step S2.
2. the control method of air-conditioner according to claim 1, it is characterised in that also include:
If described air dew point temperature is more than described indoor evaporator surface temperature, then confirm that described air-conditioner is properly functioning.
3. the control method of air-conditioner according to claim 1, it is characterised in that also include:
If the present mode of operation of described air-conditioner is refrigeration mode or dehumidification mode, then detect indoor environment air humidity.
4. the control method of air-conditioner according to claim 3, it is characterised in that described empty according to described indoor environment
Temperature obtains corresponding air dew point temperature and includes:
Inquire about air dew point temperature table according to described indoor air temperature and described indoor air humidity, to obtain
State air dew point temperature.
5. the control method of air-conditioner according to claim 1, it is characterised in that after described outdoor fan is to reduce
Rotating speed run after, if air dew point temperature be more than indoor evaporator surface temperature, then control described outdoor fan by rotating speed
Increasing to initial speed, wherein, described initial speed is running speed when not carrying out adjustment of rotational speed for the described outdoor fan.
6. the control system of an air-conditioner, it is characterised in that described air-conditioner includes indoor evaporator and outdoor fan, institute
State control system to include:
Whether the first judge module, be refrigeration mode or dehumidification mode for judging the present mode of operation of air-conditioner；
Detection module, is used for when the present mode of operation of described air-conditioner is refrigeration mode or dehumidification mode, sensing chamber's inner ring
Border air themperature and described indoor evaporator surface temperature；
Acquisition module, for obtaining corresponding air dew point temperature according to described indoor air temperature；
Second judge module, is used for judging whether described air dew point temperature is more than described indoor evaporator surface temperature；
Control module, for when described air dew point temperature is less than or equal to described indoor evaporator surface temperature, controlling institute
State outdoor fan and current rotating speed is reduced the first preset rotation speed.
7. the control system of air-conditioner according to claim 6, it is characterised in that also include:
Confirm module, for when described air dew point temperature is more than described indoor evaporator surface temperature, confirming described air-conditioning
Device is properly functioning.
8. the control system of air-conditioner according to claim 6, it is characterised in that described detection module is additionally operable to:
When present mode of operation at described air-conditioner is refrigeration mode or dehumidification mode, detect indoor environment air humidity.
9. the control system of air-conditioner according to claim 8, it is characterised in that described acquisition module specifically for:
Inquire about air dew point temperature table according to described indoor air temperature and described indoor air humidity, to obtain
State air dew point temperature.
10. the control system of air-conditioner according to claim 6, it is characterised in that at described outdoor fan to reduce
After rotating speed run after, described control module is additionally operable to:
When air dew point temperature is more than indoor evaporator surface temperature, controls described outdoor fan and rotating speed is increased to initial turning
Speed, wherein, described initial speed is running speed when not carrying out adjustment of rotational speed for the described outdoor fan.
11. 1 kinds of air-conditioners, it is characterised in that include the control system of air-conditioner as according to any one of claim 6-10
System.
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| CN201610520207.0A CN105987485A (en) | 2016-07-05 | 2016-07-05 | Air conditioner and control method and system thereof |
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| CN201610520207.0A CN105987485A (en) | 2016-07-05 | 2016-07-05 | Air conditioner and control method and system thereof |
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| CN107477802A (en) * | 2017-09-11 | 2017-12-15 | 广东美的暖通设备有限公司 | Air conditioner and its indoor set control device and control method |
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| CN111189105A (en) * | 2020-01-09 | 2020-05-22 | 海信（广东）空调有限公司 | Dehumidification control system of air conditioner and air conditioner |
| CN111706978A (en) * | 2020-06-23 | 2020-09-25 | 广东美的制冷设备有限公司 | Air conditioner condensation prevention control method, air conditioner and computer readable storage medium |
| CN111811105A (en) * | 2020-07-13 | 2020-10-23 | 南京天加环境科技有限公司 | Control method for preventing water blowing during refrigeration or dehumidification operation of air conditioner internal unit |
| EP3696474A4 (en) * | 2017-11-29 | 2020-12-16 | GD Midea Air-Conditioning Equipment Co., Ltd. | Air conditioner, and control method and apparatus therefor |
| CN112146234A (en) * | 2019-06-26 | 2020-12-29 | 广东美的制冷设备有限公司 | Air conditioner, air conditioner control method and device and readable storage medium |
| CN115560400A (en) * | 2022-10-15 | 2023-01-03 | 南通昆仑空调有限公司 | Anti-condensation temperature control device of nuclear power air conditioning unit |
| US11674706B2 (en) | 2021-09-09 | 2023-06-13 | Haier Us Appliance Solutions, Inc. | System and method for operating an air conditioner unit having an auxiliary electric heater |
| WO2024022097A1 (en) * | 2022-07-28 | 2024-02-01 | 佛山市顺德区美的电子科技有限公司 | Multi-split air conditioner and method for controlling same, controller, and storage medium |
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Application publication date: 20161005 |