CN115076897A - Control method and device of air conditioner and storage medium - Google Patents
Control method and device of air conditioner and storage medium Download PDFInfo
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- CN115076897A CN115076897A CN202210540551.1A CN202210540551A CN115076897A CN 115076897 A CN115076897 A CN 115076897A CN 202210540551 A CN202210540551 A CN 202210540551A CN 115076897 A CN115076897 A CN 115076897A
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- air conditioner
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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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/37—Resuming operation, e.g. after power outages; Emergency starting
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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
- F24F11/70—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
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method, a control device and a storage medium of an air conditioner, wherein the control method of the air conditioner comprises the following steps: judging whether the air conditioner is restarted after power failure; under the condition that the air conditioner is restarted after power failure, acquiring real-time environment temperature, an original target temperature and an original operation parameter of the air conditioner before power failure; and adjusting the preset operation parameters according to the temperature difference between the real-time environment temperature and the preset target temperature. In the control method of the air conditioner, after the air conditioner is restarted, the original operation parameters are not enough to meet the temperature control requirement, at the moment, the real-time environment temperature, the original target temperature of the air conditioner before power failure and the original operation parameters are obtained, the real-time environment temperature and the original target temperature are compared, whether the air conditioner can complete the working task of the original target temperature with the original operation parameters is judged, and then the original operation parameters are adjusted according to the actual condition.
Description
Technical Field
The present invention relates to the field of air conditioning systems, and in particular, to a method and an apparatus for controlling an air conditioner, and a storage medium.
Background
In modern life, an air conditioner becomes an indispensable part in family life, and the indoor temperature is adjusted through the air conditioner so as to improve the comfort level of the indoor environment.
Under the conditions of peak electricity utilization period of air conditioner use in summer or winter, or power grid maintenance and the like, the air conditioner may have a power failure condition in the use process, after equipment is powered on again, the air conditioner usually continues to work or directly stops working in the state before power failure, however, in the time period of power failure, the indoor environment temperature usually changes, the working state before direct repetition cannot enable the indoor temperature to reach the original setting requirement, and the air conditioner cannot be started after power failure to meet the use requirement.
Disclosure of Invention
The invention provides a control method and device of an air conditioner and a storage medium, which are used for solving the problem that the air conditioner cannot meet the use requirement when being restarted after power failure and realizing the adjustment of the working state according to the actual condition after the power failure and the starting.
The invention provides a control method of an air conditioner, which comprises the following steps:
judging whether the air conditioner is restarted after power failure;
under the condition that the air conditioner is restarted after power failure, acquiring real-time environment temperature, an original target temperature and an original operation parameter of the air conditioner before power failure;
and adjusting the operation parameters of the air conditioner based on the preset operation parameters according to the temperature difference between the real-time environment temperature and the preset target temperature.
According to the control method of the air conditioner provided by the invention, the step of adjusting the operation parameters of the air conditioner based on the preset operation parameters according to the temperature difference between the real-time environment temperature and the preset target temperature comprises the following steps:
under the condition that the temperature difference is larger than a preset difference, adjusting the operation parameters based on the preset operation parameters according to the temperature difference;
and under the condition that the temperature difference is smaller than a preset difference, operating the air conditioner according to the preset operation parameters.
According to the control method of the air conditioner provided by the invention, the operation parameters comprise the operation wind speed and the operation frequency.
According to the control method of the air conditioner provided by the invention, the steps of obtaining the real-time environment temperature, the preset target temperature before the power failure of the air conditioner and the preset operation parameters further comprise the following steps:
acquiring the personnel state in a preset space;
and controlling and obtaining the real-time environment temperature, the preset target temperature and the preset operation parameters according to the personnel state.
According to the control method of the air conditioner provided by the invention, the step of controlling and acquiring the real-time environment temperature, the preset target temperature and the preset operation parameter according to the personnel state comprises the following steps:
under the condition that the existence of personnel is detected in the preset space, acquiring the real-time environment temperature, the preset target temperature and the preset operation parameters;
and under the condition that no personnel exist in the preset space, controlling the air conditioner to shut down.
According to the control method of the air conditioner provided by the invention, under the condition that the absence of the personnel in the preset space is detected, the step of controlling the air conditioner to shut down further comprises the following steps:
under the condition that no personnel is detected in the preset space, controlling the air conditioner to enter a standby state, and recording the duration time of the standby state;
and when the duration time exceeds a first preset time, controlling the air conditioner to be powered off.
According to the control method of the air conditioner provided by the invention, the step of adjusting the operation parameters of the air conditioner based on the preset operation parameters further comprises the following steps:
acquiring the power failure time of the air conditioner;
and controlling to adjust the operation parameters according to the power failure time length.
According to the control method of the air conditioner provided by the invention, the step of controlling the adjustment of the operation parameters according to the power failure time length comprises the following steps:
controlling the air conditioner to enter a standby state under the condition that the power failure time length is greater than a second preset time length;
and under the condition that the power failure time length is less than a second preset time length, adjusting the operation parameters.
The invention also provides a control device of an air conditioner, which comprises a memory, a processor and a control program of an air conditioning system, wherein the control program is stored on the memory and can run on the processor, and the control program of the air conditioner is configured to realize the control method of the air conditioner.
The present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a control method of an air conditioner according to any one of the above.
In the control method of the air conditioner, when the air conditioner is started, whether the air conditioner is restarted after power failure is judged, under the condition of power failure, after the air conditioner is restarted, the indoor temperature can generate large fluctuation, the original operation parameters are not enough to meet the temperature control requirement, at the moment, the real-time environment temperature, the original target temperature of the air conditioner before the power failure and the original operation parameters are obtained, the real-time environment temperature and the original target temperature are compared, whether the air conditioner can complete the working task of the original target temperature by the original operation parameters is judged according to the temperature difference between the real-time environment temperature and the original target temperature, and the original operation parameters are adjusted according to the actual condition, so that the air conditioner can still timely restore the temperature to the originally set original target temperature after the power failure is restarted.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of an embodiment of a control device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a method for controlling an air conditioner, including the steps of:
s10, judging whether the air conditioner is restarted after power failure;
s20, acquiring real-time environment temperature, an original target temperature and an original operation parameter of the air conditioner before power failure under the condition that the air conditioner is restarted after power failure;
and S30, adjusting the operation parameters of the air conditioner based on the preset operation parameters according to the temperature difference between the real-time environment temperature and the preset target temperature.
In the control method of the air conditioner, when the air conditioner is started, whether the air conditioner is restarted after power failure is judged, under the condition of power failure, after the air conditioner is restarted, the indoor temperature can generate large fluctuation, the original operation parameters are not enough to meet the temperature control requirement, at the moment, the real-time environment temperature, the original target temperature of the air conditioner before the power failure and the original operation parameters are obtained, the real-time environment temperature and the original target temperature are compared, whether the air conditioner can complete the working task of the original target temperature by the original operation parameters is judged according to the temperature difference between the real-time environment temperature and the original target temperature, and the original operation parameters are adjusted according to the actual condition, so that the air conditioner can still timely restore the temperature to the originally set original target temperature after the power failure is restarted.
It should be noted that, there are various embodiments in step S10, for example, it is determined whether the air conditioner has received a shutdown instruction before the air conditioner was last shutdown; if a shutdown instruction is received, the system is normally shut down; if the shutdown instruction is not received, the power is cut off and then the power is restarted. The present invention is not particularly limited as long as it can detect whether or not the air conditioner is restarted after a power failure.
Further, step S30 includes:
s31, under the condition that the temperature difference is larger than a preset difference, adjusting the operation parameters based on the original operation parameters according to the temperature difference;
in this embodiment, when the temperature difference is greater than the preset difference, it indicates that the temperature of the indoor environment fluctuates in a large range, the original temperature-making effect in the room has disappeared, and if the original operation parameters are still maintained, the original target cannot be reached or the reaching time is long, and at this time, the original operation parameters are directly adjusted according to the temperature difference, so as to improve the working effect and working efficiency of the air conditioner.
And S32, operating the air conditioner according to the preset operation parameters under the condition that the temperature difference is smaller than a preset difference.
In this embodiment, when the temperature difference is smaller than the preset difference, it indicates that the indoor ambient temperature has not been excessively decreased, and at this time, even if the predetermined operation parameter before the air conditioner is maintained, the temperature of the current indoor space can be maintained, so that the air conditioner is directly operated with the predetermined operation parameter.
Specifically, the operating parameters include an operating wind speed and an operating frequency.
Based on the control method of the air conditioner, the invention provides a specific embodiment.
In this embodiment, the temperature difference detection device further includes a first temperature difference threshold and a second temperature difference threshold which are sequentially increased.
And when the temperature difference value is between the preset difference value and the first temperature difference threshold value, keeping the running wind speed inconvenient, and controlling the running frequency to enter a PID frequency modulation mode, wherein the PID frequency modulation is to automatically perform frequency adjustment according to a system error and actual parameters.
And when the temperature difference value is between the first temperature difference threshold value and the second temperature difference threshold value, adjusting the running wind speed to be a medium wind speed, and simultaneously controlling the running frequency to enter a PID frequency modulation mode.
And when the temperature difference value is larger than the second temperature difference threshold value, adjusting the running wind speed and the running frequency to the maximum wind speed and the maximum frequency at which the air conditioner can normally run.
On the other hand, step S20 is preceded by:
s021, acquiring the personnel state in the preset space;
s022, controlling and obtaining the real-time environment temperature, the preset target temperature and the preset operation parameters according to the personnel state.
In this embodiment, after the air conditioner is powered off, the personnel state in the indoor space changes, and then the condition that the temperature of the air conditioner is not needed any more can occur, at this time, after the air conditioner is powered on, the temperature control work is not needed to be continued, before the parameters such as the real-time environment temperature and the like are acquired, the personnel state in the preset space is judged first, and whether the real-time environment temperature, the predetermined target temperature and the predetermined operation parameters which are required in the next step are acquired or not is determined according to the personnel state.
It should be noted that there are various embodiments of the personnel state, for example, a rest state of a personnel monitored by an infrared device, when the personnel is in the rest state, parameters such as the real-time ambient temperature are not acquired, and a subsequent operation is not performed on the air conditioner, specifically, in this embodiment, the personnel state includes whether the personnel state exists in the preset space, and the step S022 includes:
s0221, under the condition that people are detected to exist in the preset space, acquiring the real-time environment temperature, the preset target temperature and the preset operation parameters;
s0222, controlling the air conditioner to shut down under the condition that no personnel exist in the preset space.
When the power failure condition occurs, personnel may leave the room due to the change of the temperature, at the moment, the air conditioner is directly started after the power is turned on, so that the air conditioner generates invalid work and wastes power.
It should be noted that there are various ways to obtain whether the person is in the preset space, for example, whether the person is in the space is obtained through a radar device or an infrared device, in this embodiment, as long as the presence state of the person in the preset space can be obtained, which is not limited herein.
Further, step S0222 further includes:
s02221, controlling the air conditioner to enter a standby state and recording the duration time of the standby state under the condition that no personnel are detected in the preset space;
s02222, controlling the air conditioner to be powered off when the duration time exceeds a first preset time.
In this embodiment, when there is no person in the preset space, the person may return to the room after sensing the incoming call, and at this time, the air conditioner is not directly turned off, but the air conditioner is adjusted to be in a standby state, so that the person can control the air conditioner again at any time when entering, the number of times of turning on and off the air conditioner is reduced, and energy is saved.
It should be noted that, when the air conditioner is in the standby state, the air conditioner is in the on state, and each component is in the activation and preheating state, so as to respond to the adjustment control command at any time.
Further, the control method of the air conditioner further includes:
and when the duration is within the first preset duration and the presence of personnel in the preset space is detected, acquiring the real-time environment temperature, the preset target temperature and the preset operation parameters. In this embodiment, because the air conditioner is in standby state, can get into the accuse temperature mode rapidly, is detecting personnel and is in get back to in the first predetermined duration when predetermineeing in the space, begin to acquire real-time ambient temperature the original target temperature and original operating parameter carries out subsequent temperature control to automatic control after the power failure continues to carry out.
In addition, in the technical solution provided by the present invention, step S30 further includes:
s31, acquiring the power failure duration of the air conditioner;
and S32, controlling the adjustment of the operation parameters according to the power failure duration.
In this embodiment, before the predetermined operation parameter is adjusted, the power outage duration of the air conditioner needs to be obtained, and as the power outage duration elapses, the ambient environment and the user's requirement for the ambient temperature are not completely the same, and the power outage duration is introduced into the adjustment process of the predetermined operation parameter, so that the adjustment of the air conditioner is more intelligent and accurate, and it is avoided that the operation scheme before single execution does not match the actual situation after the power outage is restarted.
For example, a power off timer is provided in the air conditioner, and when the ac power supply cannot be received, the timer starts to count until the air conditioner obtains power again.
Specifically, step S32 includes:
s321, controlling the air conditioner to enter a standby state under the condition that the power failure time length is greater than a second preset time length;
in this embodiment, it is long to be greater than when having a power failure under the second condition of predetermineeing for a long time, external environment probably has produced great change, and original setting can't satisfy the demand, simultaneously because the length is too long when having a power failure of air conditioner, no matter how the original state in the room, all need set up again this moment and just can satisfy personnel's demand again, at this moment, after air conditioner receives the electric start again, do not adjust on the basis of original operating parameter, but direct control the air conditioner gets into standby state to in order to accept subsequent temperature control.
And S322, under the condition that the power failure time length is less than a second preset time length, adjusting the operation parameters.
In this embodiment, only when the power outage duration is less than the second preset duration, it can be verified that the predetermined target temperature still can satisfy the user requirement, and the adjustment based on the predetermined operating parameter is possible, and at this time, the predetermined operating parameter is continuously adjusted.
It should be noted that there are various setting factors for the second preset duration, and the setting may be performed according to the dissipation speed of the temperature in different seasons and the temperature change frequency of the seasons, in this embodiment, the second preset duration forms different durations according to different seasons, and in summer, the second preset duration is 30 minutes; in winter, the second preset time period is 2 to 3 hours.
Further, step S321 further includes: acquiring the duration of the standby state; and controlling the air conditioner to be powered off after the duration time exceeds a third preset time.
An embodiment of the present invention further provides a controller, fig. 2 illustrates an entity structural schematic diagram of the controller, and as shown in fig. 2, the controller may include: a processor (processor)1001, a communication interface (communication interface)1002, a memory (memory)1003 and a communication bus 1004, wherein the processor 1001, the communication interface 1002 and the memory 1003 complete the communication with each other through the communication bus 1004.
In addition, the logic instructions in the memory 1003 may be implemented in the form of software functional units and may be stored in a computer readable storage medium when the logic instructions are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It should be noted that, when being specifically implemented, the controller in this embodiment may be a server, a PC, or another device, as long as the structure includes the processor 1001, the communication interface 1002, the memory 1003, and the communication bus 1004 shown in fig. 2, where the processor 1001, the communication interface 1002, and the memory 1003 complete mutual communication through the communication bus 1004, and the processor 1001 may call a logic instruction in the memory 1003 to execute the above method. The embodiment does not limit the specific implementation form of the controller.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer-readable storage medium, the computer program comprising program instructions, which when executed by a computer, enable the computer to execute the control method of an air conditioning system provided by the above-mentioned method embodiments, the method comprising: judging whether the air conditioner is restarted after power failure; under the condition that the air conditioner is restarted after power failure, acquiring real-time environment temperature, an original target temperature and an original operation parameter of the air conditioner before power failure; and adjusting the preset operation parameters according to the temperature difference between the real-time environment temperature and the preset target temperature.
In still another aspect, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, the computer program being implemented by a processor to perform the control method of the air conditioning system provided by the above method embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A control method of an air conditioner is characterized by comprising the following steps:
judging whether the air conditioner is restarted after power failure;
under the condition that the air conditioner is restarted after power failure, acquiring real-time environment temperature, an original target temperature and an original operation parameter of the air conditioner before power failure;
and adjusting the operation parameters of the air conditioner based on the preset operation parameters according to the temperature difference between the real-time environment temperature and the preset target temperature.
2. The method as claimed in claim 1, wherein the step of adjusting the operation parameters of the air conditioner based on the predetermined operation parameters according to the temperature difference between the real-time ambient temperature and the predetermined target temperature comprises:
under the condition that the temperature difference is larger than a preset difference, adjusting the operation parameters based on the preset operation parameters according to the temperature difference;
and under the condition that the temperature difference is smaller than a preset difference, operating the air conditioner according to the preset operation parameters.
3. The control method of an air conditioner according to claim 1, wherein the operation parameters include an operation wind speed and an operation frequency.
4. The method as claimed in claim 1, wherein the step of obtaining the real-time ambient temperature, the predetermined target temperature before the air conditioner power failure and the predetermined operation parameters further comprises:
acquiring the personnel state in a preset space;
and controlling and obtaining the real-time environment temperature, the preset target temperature and the preset operation parameters according to the personnel state.
5. The method as claimed in claim 4, wherein the step of controlling the real-time ambient temperature, the predetermined target temperature and the predetermined operation parameter according to the human status comprises:
under the condition that the existence of personnel is detected in the preset space, acquiring the real-time environment temperature, the preset target temperature and the preset operation parameters;
and under the condition that no personnel is detected in the preset space, controlling the air conditioner to shut down.
6. The method as claimed in claim 5, wherein the step of controlling the air conditioner to be turned off in case that the absence of the person is detected in the preset space further comprises:
under the condition that no personnel is detected in the preset space, controlling the air conditioner to enter a standby state, and recording the duration time of the standby state;
and when the duration time exceeds a first preset time, controlling the air conditioner to be powered off.
7. The method of claim 1, wherein the step of adjusting the operating parameters of the air conditioner based on the predetermined operating parameters further comprises:
acquiring the power failure time of the air conditioner;
and controlling to adjust the operation parameters according to the power failure time length.
8. The method as claimed in claim 7, wherein the step of controlling the adjustment of the operation parameter according to the power outage duration includes:
controlling the air conditioner to enter a standby state under the condition that the power failure time length is greater than a second preset time length;
and under the condition that the power failure time length is less than a second preset time length, adjusting the operation parameters.
9. A control apparatus of an air conditioner, characterized by comprising a memory, a processor, and a control program of an air conditioning system stored on the memory and executable on the processor, the control program of the air conditioner being configured to implement the control method of the air conditioner according to any one of claims 1 to 8.
10. A non-transitory computer-readable storage medium on which a computer program is stored, wherein the computer program, when executed by a processor, implements the control method of the air conditioner according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210540551.1A CN115076897A (en) | 2022-05-17 | 2022-05-17 | Control method and device of air conditioner and storage medium |
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| CN202210540551.1A CN115076897A (en) | 2022-05-17 | 2022-05-17 | Control method and device of air conditioner and storage medium |
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| CN202210540551.1A Pending CN115076897A (en) | 2022-05-17 | 2022-05-17 | Control method and device of air conditioner and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066363A1 (en) * | 2022-09-30 | 2024-04-04 | 青岛海尔空调器有限总公司 | Flow distribution control method and system for power failure compensation function of air conditioner, and air conditioner |
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2022
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066363A1 (en) * | 2022-09-30 | 2024-04-04 | 青岛海尔空调器有限总公司 | Flow distribution control method and system for power failure compensation function of air conditioner, and air conditioner |
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