CN115076885B - Air conditioner control method and air conditioner - Google Patents
Air conditioner control method and air conditioner Download PDFInfo
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- CN115076885B CN115076885B CN202210797995.3A CN202210797995A CN115076885B CN 115076885 B CN115076885 B CN 115076885B CN 202210797995 A CN202210797995 A CN 202210797995A CN 115076885 B CN115076885 B CN 115076885B
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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
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
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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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method of an air conditioner and the air conditioner, the air conditioner comprises an outdoor unit and an indoor unit, the outdoor unit comprises a compressor, an outdoor fan and an outdoor heat exchanger, and the control method comprises the following steps: in the benzoin day mode, the compressor is periodically started and stopped at a set level, and the set level corresponds to a specified start-up duration, stop duration and frequency; the control method further comprises the following steps: starting the indoor unit, acquiring the temperature, the return air temperature and the air supply temperature of the indoor unit under a refrigerating or heating mode, and acquiring a return air temperature difference; starting the outdoor unit when the temperature of the indoor unit is not less than a temperature preset value; when the return air temperature difference does not meet the starting condition of the outdoor unit, the outdoor unit is forcedly started; and in the refrigerating or heating process, when the return air temperature difference meets the shutdown condition of the outdoor unit, the outdoor unit is not shut down. The invention can control the periodic start and stop of the air conditioner, avoid the manual direct or indirect operation, avoid interruption in the periodic operation process and improve the user experience.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and an air conditioner.
Background
The existing fixed-frequency air conditioner generally needs a wire controller or a remote controller to control the on-off state and the set temperature of the air conditioner, and for a part of users, the operation control mode is inconvenient and even affects the use in daily life. As for the part of the users, they may be required to stop everything and disable direct or indirect control and operation of the appliance during the day of rest of each week, for which purpose the part of the type of appliance provides the part of the users with a "day of rest mode", which means an operational mode that disables any direct or indirect control or operation of the appliance for a certain period of time.
For air conditioners, the start-stop of the compressor of a constant frequency air conditioner is generally controlled according to a set temperature, and if the set temperature is set by a user in advance, the compressor is stopped when reaching the temperature, which is considered to be the indirect shut-down of the compressor, which is not allowed in the rest days. Therefore, how to avoid the manual direct or indirect operation of the air conditioner in a specific time period while maintaining the normal operation of the air conditioner is a technical problem to be solved.
Disclosure of Invention
Aiming at the problems, the invention provides an air conditioner control method and an air conditioner, which can control the periodic start and stop of the air conditioner, avoid the manual direct or indirect operation, avoid interruption in the periodic operation process and improve the user experience.
The invention provides a control method of an air conditioner, the air conditioner comprises an outdoor unit and an indoor unit, the outdoor unit comprises a compressor, an outdoor fan and an outdoor heat exchanger, the control method of the air conditioner comprises the following steps:
in the benzoin day mode, the compressor is periodically started and stopped at a set level, and the set level corresponds to a specified start-up duration, stop duration and frequency; the air conditioner control method further comprises the following steps: starting the indoor unit, acquiring the temperature, the return air temperature and the air supply temperature of the indoor unit in a refrigerating or heating mode, and acquiring a return air temperature difference according to the difference value of the return air temperature and the air supply temperature; starting the outdoor unit when the temperature of the indoor unit is not less than a temperature preset value; when the return air temperature difference does not meet the starting condition of the outdoor unit, the outdoor unit is forcedly started; and controlling the outdoor unit not to stop when the return air temperature difference meets the stop condition of the outdoor unit in the refrigerating or heating process.
According to the technical scheme, in the day of rest mode, the compressor of the air conditioner is periodically started and stopped at a set level, so that the air conditioner is prevented from being controlled by manual operation; and when the temperature of the indoor unit is not less than the temperature preset value, the return air temperature difference does not meet the starting condition of the outdoor unit and the return air temperature difference meets the shutdown condition of the outdoor unit, the starting state of the outdoor unit is kept, so that the air conditioner is not interrupted in the periodic operation process, and the experience of the air conditioner is improved.
In the alternative technical scheme of the invention, the outdoor unit is circulated for the first time, the outdoor unit is operated for a first time period, and the outdoor unit is stopped for a second time period; after the first cycle, the compressor is periodically started and stopped at a set level corresponding to the first time period.
According to the technical scheme, the operation grade of the outdoor unit is determined according to the first cycle and the operation time of the outdoor unit, so that the operation of the outdoor unit is adapted to the environment.
In the alternative technical scheme of the invention, the refrigeration working condition comprises a plurality of grades, the grades are different, the starting time is different and the frequency is different in the benzoin day mode, and/or the heating working condition comprises a plurality of grades, the grades are different, the starting time is different and the frequency is different in the benzoin day mode.
According to the technical scheme, under the refrigerating mode or the heating mode, the operation grade of the outdoor unit can be selected according to the requirement, and the use flexibility of the air conditioner is improved.
In the alternative technical scheme of the invention, when the benzoin day mode is in a mode of independent selection on a non-benzoin day, the operation grade of the outdoor unit is automatically selected.
According to the technical scheme, the operation mode of the air conditioner and the operation level of the outdoor unit can be selected independently according to the needs of users on non-benzoin days, and the flexibility of setting all parameters in the benzoin day mode is improved.
In the alternative technical scheme of the invention, when the date mode is first entered in a mode of identifying the automatic entering of the date time, the outdoor unit operates at a default level.
According to the technical scheme, the benzoin day mode enters in an automatic mode, so that the manual participation degree is reduced, and the intelligent operability of the air conditioner is improved.
In an optional technical scheme of the invention, the method further comprises the following steps: the air conditioner is in a refrigerating mode or a heating mode, the corresponding parameters in the last day of rest mode are reserved, and the corresponding parameters in the last day of rest mode are operated when the air conditioner enters the day of rest mode again; the system of the air conditioner is in a non-refrigeration mode and a non-heating mode, and operates a default level when the system reenters a benzoin day mode.
According to the technical scheme, the corresponding parameters in the last day of the benzoin mode are reserved, and when the day of the benzoin mode is reentered, the corresponding parameters in the last day of the benzoin mode are operated, so that the workload of manually setting the parameters in the day of the benzoin mode is reduced, and the operation of the air conditioner is fitted with the actual situation; the system of the air conditioner is in a non-refrigeration mode and a non-heating mode, and operates a default level when entering the benzoin day mode again, so that the manual participation degree is reduced.
In an optional technical scheme of the invention, the method further comprises the following steps: in the heating mode, when a defrosting mode signal is detected, the heating mode is exited, the defrosting mode is entered, after the defrosting mode is ended, the heating mode is reentered, and the compressor is started to restart counting of the starting time.
According to the technical scheme, the influence of the defrosting process on the operation time of the compressor can be reduced, and the operation stability of the air conditioner is ensured.
In an alternative technical scheme of the invention, the conditions for entering the defrosting mode are as follows: and in the heating mode, after the compressor is operated for a third time in an accumulated mode, and when the temperature of the outdoor heat exchanger is lower than the prescribed condensation temperature and reaches a fourth time in an accumulated mode, entering a defrosting mode.
According to the technical scheme, the frequent entering of a defrosting mode can be avoided, unnecessary defrosting operation is reduced, and the normal operation of the air conditioner is maintained.
The invention further provides an air conditioner and a control method for operating the air conditioner.
Drawings
Fig. 1 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of an air conditioner according to an embodiment of the present invention.
Reference numerals:
a temperature acquisition module 1; a timing module 2; a data processing module 3; a judgment module 4; a control module 5.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the present invention provides a control method of an air conditioner, the air conditioner including an outdoor unit (not shown in the drawing) and an indoor unit (not shown in the drawing), the outdoor unit including a compressor, an outdoor fan and an outdoor heat exchanger, the control method of the air conditioner comprising:
in the benzoin day mode, the compressor is periodically started and stopped at a set level, and the set level corresponds to a specified start-up duration, stop duration and frequency; the air conditioner control method further comprises the following steps:
starting the indoor unit, acquiring the temperature, the return air temperature and the air supply temperature of the indoor unit in a refrigerating or heating mode, and acquiring a return air temperature difference according to the difference value of the return air temperature and the air supply temperature;
starting the outdoor unit when the temperature of the indoor unit is not less than a temperature preset value; when the return air temperature difference does not meet the starting condition of the outdoor unit, the outdoor unit is forcedly started; and controlling the outdoor unit not to stop when the return air temperature difference meets the stop condition of the outdoor unit in the refrigerating or heating process.
By the mode, in the daytime-of-rest mode, the compressor of the air conditioner is periodically started and stopped at a set level, so that the air conditioner is prevented from being controlled by manual operation; and when the temperature of the indoor unit is not less than the temperature preset value, the return air temperature difference does not meet the starting condition of the outdoor unit and the return air temperature difference meets the shutdown condition of the outdoor unit, the starting state of the outdoor unit is kept, so that the air conditioner is not interrupted in the periodic operation process, and the experience of the air conditioner is improved.
In the embodiment of the present invention, the indoor unit, the outdoor unit and the connection relationship thereof are common application forms in the art, and are not described herein. In a refrigeration mode, the temperature of the indoor unit is T2_C, and the temperature preset value is a first temperature preset value; in the heating mode, the temperature of the indoor unit is T2_H, the temperature preset value is a second temperature preset value, and the first temperature preset value is smaller than the second temperature preset value.
In a preferred embodiment of the invention, the outdoor unit is operated for a first time period t_comp in a first cycle, and is stopped for a second time period t_coff; after the first cycle, the compressor is periodically started and stopped at a set level corresponding to the first time period t_comp.
By the mode, the operation grade of the outdoor unit is determined according to the operation time of the first circulating outdoor unit, so that the operation of the outdoor unit is adapted to the environment. The first cycle means that after power-on, the compressor is started up for the first time under the condition that the operation time length and the corresponding grade of the compressor in the first cycle can be obtained through multiple experiments.
In the preferred embodiment of the invention, in the benzoin day mode, the refrigeration working condition comprises a plurality of grades, the grades are different, the starting time is different, the frequency is different, and/or in the benzoin day mode, the heating working condition comprises a plurality of grades, the grades are different, the starting time is different, and the frequency is different. Specifically, as shown in the following table, the refrigeration working condition includes 6 levels, the starting time of the compressors at different levels is different, and as the level increases, the starting time is prolonged, and t_con1< t_con2< t_con3< t_con4< t_con5< t_con6; the shutdown time is t_Coff and is kept unchanged; the heating working condition comprises 6 grades, the starting time of the compressors at different grades is different, and as the grades rise, the starting time is prolonged, t_hon1< t_hon2< t_hon3< t_hon4< t_hon5< t_hon6; the downtime is maintained constant for t_hoff.
Through the mode, under the refrigerating mode or the heating mode, the operation grade of the outdoor unit can be selected according to the needs, the use flexibility of the air conditioner is improved, and the requirements of users under different environments are met.
In a preferred embodiment of the present invention, the operation level of the outdoor unit is selected autonomously when the day of rest mode is entered in a manner of autonomous selection on a non-day of rest. By the mode, the operation mode of the air conditioner and the operation level of the outdoor unit can be selected automatically according to the needs of users on non-benzoin days, and the flexibility of setting all parameters in the benzoin day mode is improved. Further, before entering the day of rest, the user selects a refrigerating or heating grade, the air speed of the indoor unit (the air speed of the indoor unit is set by the user before entering the day of rest mode) and the like, the day of rest mode can be manually entered through the wire controller, the grade is selected by the user when not in the day of rest, and the user can only operate one grade on the day of rest and cannot flexibly switch.
In other preferred embodiments, the outdoor unit operates at a default level when the day of rest mode is first entered in a manner that identifies the automatic entry of the day of rest time. The day of rest mode gets into with automatic mode, has reduced artificial participation, has improved the intelligent operability of air conditioner, satisfies the requirement of day of rest, is favorable to promoting user experience and feels. In a specific embodiment of the present invention, the default Level is preferably Level 3.
In a preferred embodiment of the present invention, further comprising: the air conditioner is in a refrigerating mode or a heating mode, and keeps the corresponding parameters (such as operation grade, frequency, indoor unit wind speed and the like) in the last day of rest mode, and operates the corresponding parameters in the last day of rest mode when entering the day of rest mode again; the system of the air conditioner is in a non-refrigeration mode and a non-heating mode, and operates a default level when the system reenters a benzoin day mode.
By reserving the parameters corresponding to the last day of the benzoin mode and running the parameters corresponding to the last day of the benzoin mode when the benzoin mode is re-entered, the workload of manually setting the parameters in the benzoin mode is reduced, and the running of the air conditioner is more fit with the actual situation by referring to the parameters of the last running; the system of the air conditioner is in a non-refrigeration mode and a non-heating mode, and operates the default grade when entering the benzoin day mode again, so that the manual participation degree is reduced, and the operation logic of the air conditioner is simplified.
In a preferred embodiment of the present invention, further comprising: in the heating mode, when a defrosting mode signal is detected, the heating mode is exited, the defrosting mode is entered, after the defrosting mode is ended, the heating mode is reentered, and the compressor is started to restart counting of the starting time. By the mode, the influence of the defrosting process on the operation time of the compressor can be reduced, and the operation stability of the air conditioner is ensured.
In a preferred embodiment of the present invention, the conditions for entering the defrost mode are: and in the heating mode, after the compressor is operated for a third time in an accumulated mode, and when the temperature of the outdoor heat exchanger is lower than the prescribed condensation temperature and reaches a fourth time in an accumulated mode, entering a defrosting mode. By the mode, frequent entering of a defrosting mode can be avoided, unnecessary defrosting operation is reduced, and normal operation of the air conditioner is maintained.
The invention further provides an air conditioner and a control method for operating the air conditioner. Specifically, as shown in fig. 2, the air conditioner includes a temperature acquisition module 1, such as a plurality of temperature sensors, for respectively acquiring an indoor unit temperature, an air supply temperature, and a return air temperature; the data processing module 3 acquires a return air temperature difference according to the difference value of the return air temperature and the supply air temperature; the judging module 4 is used for judging whether the temperature of the indoor unit meets the starting condition of the outdoor unit or not, judging whether the return air temperature difference meets the shutdown condition of the outdoor unit or not and judging whether the return air temperature difference meets the starting condition of the outdoor unit or not; the control module 5 is used for controlling the starting of the outdoor unit when the temperature of the indoor unit is not less than a temperature preset value; when the return air temperature difference does not meet the starting condition of the outdoor unit, controlling to forcedly start the outdoor unit; and controlling the outdoor unit not to stop when the return air temperature difference meets the stop condition of the outdoor unit in the refrigerating or heating process.
By the mode, in the daytime-of-rest mode, the compressor of the air conditioner is periodically started and stopped at a set level, so that the air conditioner is prevented from being controlled by manual operation; and when the temperature of the indoor unit is not less than the temperature preset value, the return air temperature difference does not meet the starting condition of the outdoor unit and the return air temperature difference meets the shutdown condition of the outdoor unit, the starting state of the outdoor unit is kept, so that the air conditioner is not interrupted in the periodic operation process, and the experience of the air conditioner is improved.
In a preferred embodiment of the invention, the device also comprises a timing module 2 for counting the starting time and the stopping time of the compressor and counting the time when the temperature of the outdoor heat exchanger is lower than the specified condensation temperature; the temperature acquisition module 1 is also used for acquiring the temperature of the outdoor heat exchanger; the data processing module 3 is also used for calculating the accumulated running time of the compressor; the judging module 4 is further configured to judge whether the outdoor heat exchanger temperature is lower than a specified condensing temperature, whether the accumulated operation time of the compressor reaches a third time period, and whether the outdoor heat exchanger temperature is lower than the specified condensing temperature while the compressor is operated and the accumulated operation time reaches a fourth time period; the control module 5 is configured to: and controlling the air conditioner to enter a defrosting mode when the accumulated running time of the compressor reaches a third time period and the temperature and the condensing temperature of the outdoor heat exchanger are lower than the prescribed condensing temperature and reach a fourth time period in an accumulated way while the compressor is running.
In a preferred embodiment of the present invention, the air conditioner further comprises a storage module (not shown in the figure), wherein the storage module is used for storing the start-up time and the shutdown time of the corresponding compressors under different grades under the refrigeration or heating conditions of the air conditioner; also used for: the air conditioner is in a refrigerating or heating mode, and parameter information in a last day of rest mode is stored; further, the air conditioner also comprises a detection module (not shown in the figure) for detecting the operation mode of the air conditioner.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. An air conditioner control method, the air conditioner includes the outdoor unit, indoor unit, the said outdoor unit includes compressor, outdoor fan and outdoor heat exchanger, characterized by that, the air conditioner control method includes:
starting the indoor unit in a benzoin day mode, acquiring the temperature of the indoor unit, the return air temperature and the air supply temperature in a refrigerating or heating mode, and acquiring a return air temperature difference according to the difference value of the return air temperature and the air supply temperature;
when the temperature of the indoor unit is not less than a temperature preset value, the compressor reaches the starting time of the compressor, and the return air temperature difference does not meet the starting condition of the compressor, starting the compressor; the compressor is periodically started and stopped at a set level, and the set level corresponds to a specified starting time length, stopping time length and frequency;
after the compressor is started, in the refrigerating or heating process of the air conditioner, when the return air temperature difference meets the stop condition of the compressor, the compressor is controlled to be not stopped;
judging whether the air conditioner reaches the stop time of the compressor, and if the air conditioner reaches the stop time of the compressor, closing the compressor.
2. The method of controlling an air conditioner according to claim 1, further comprising, for a first cycle, operating the compressor for a first period of time and stopping the compressor for a second period of time; after the first cycle, the compressor is periodically started and stopped at a set level corresponding to the first time period.
3. The method according to claim 2, wherein in the day of rest mode, the cooling condition includes a plurality of levels, the levels are different, the start-up time period is different, the frequency is different, and/or in the day of rest mode, the heating condition includes a plurality of levels, the levels are different, the start-up time period is different, the frequency is different.
4. The air conditioner control method according to claim 3, wherein the benzoin day mode autonomously selects an operation level of the compressor when it is entered in a manner of autonomous selection on a non-benzoin day.
5. The method of claim 4, wherein the compressor operates at a default level when the day of the benzoin mode is first entered in a manner that recognizes an automatic entry of a day of the benzoin time.
6. The air conditioner control method as set forth in claim 5, further comprising: the air conditioner is in a refrigerating mode or a heating mode, the corresponding parameters in the last day of rest mode are reserved, and the corresponding parameters in the last day of rest mode are operated when the air conditioner enters the day of rest mode again; and the system of the air conditioner is in a non-refrigeration mode and a non-heating mode, and the default grade is operated when the system reenters the benzoin day mode.
7. The air conditioner control method according to claim 1, further comprising: in the heating mode, when a defrosting mode signal is detected, the heating mode is exited, the defrosting mode is entered, after the defrosting mode is ended, the heating mode is reentered, and the compressor is started to restart counting of the starting time.
8. The control method of an air conditioner according to claim 7, wherein the condition for entering the defrosting mode is: and in the heating mode, after the compressor is operated for a third time in an accumulated mode, and when the temperature of the outdoor heat exchanger is lower than a preset condensation temperature and reaches a fourth time in an accumulated mode, entering the defrosting mode.
9. An air conditioner characterized by operating the air conditioner control method according to any one of claims 1 to 8.
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| CN202210797995.3A CN115076885B (en) | 2022-07-06 | 2022-07-06 | Air conditioner control method and air conditioner |
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| CN202210797995.3A CN115076885B (en) | 2022-07-06 | 2022-07-06 | Air conditioner control method and air conditioner |
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| CN115076885B true CN115076885B (en) | 2023-09-22 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526680A (en) * | 2016-01-19 | 2016-04-27 | 珠海格力电器股份有限公司 | Defrosting control method and device for multi-system air cooling unit |
| CN113819586A (en) * | 2021-08-25 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner control method and air conditioner |
| CN113932415A (en) * | 2021-10-14 | 2022-01-14 | 青岛海尔空调器有限总公司 | Air conditioner control method and air conditioner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL207949A (en) * | 2009-09-04 | 2014-07-31 | Tzvi Akiva Rozenberg | Tamper-evident bottle closure |
| US10475608B2 (en) * | 2018-11-21 | 2019-11-12 | Jonathan Whitman | Slidable magnetic switch for actuating a magnetic sensor |
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- 2022-07-06 CN CN202210797995.3A patent/CN115076885B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526680A (en) * | 2016-01-19 | 2016-04-27 | 珠海格力电器股份有限公司 | Defrosting control method and device for multi-system air cooling unit |
| CN113819586A (en) * | 2021-08-25 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner control method and air conditioner |
| CN113932415A (en) * | 2021-10-14 | 2022-01-14 | 青岛海尔空调器有限总公司 | Air conditioner control method and air conditioner |
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