CN109916051B - Air conditioner self-cleaning control method and air conditioner - Google Patents
Air conditioner self-cleaning control method and air conditioner Download PDFInfo
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- CN109916051B CN109916051B CN201910218978.8A CN201910218978A CN109916051B CN 109916051 B CN109916051 B CN 109916051B CN 201910218978 A CN201910218978 A CN 201910218978A CN 109916051 B CN109916051 B CN 109916051B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000010257 thawing Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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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
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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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor units
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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
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of air conditioners, and particularly provides an air conditioner self-cleaning control method and an air conditioner. In order to more accurately control the self-cleaning of the air conditioner, the self-cleaning control method of the air conditioner provided by the invention comprises the following steps: acquiring a current value I of an indoor fan at the current rotating speed in the process of operating a standard self-cleaning mode of the air conditioner; detecting the current indoor air humidity T; selectively adjusting a frosting time and/or a defrosting time of the standard self-cleaning mode according to the current value I and the indoor air humidity T. Compared with the fixed frosting time and defrosting time adopted by the existing self-cleaning mode, the invention can accurately control the frosting time and defrosting time of the standard self-cleaning mode of the air conditioner according to the actual operation condition of the air conditioner, thereby greatly improving the cleaning effect of the air conditioner during self-cleaning operation and further improving the use experience of users.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides an air conditioner self-cleaning control method and an air conditioner.
Background
The air conditioner is the equipment that can refrigerate for the room/heat, and along with the time lapse, the deposition on the air conditioner indoor set can increase gradually, can breed a large amount of bacteriums after the deposition accumulates to a certain extent, especially when indoor air flows through the indoor set, can carry a large amount of dust and bacterium, consequently needs in time to clean the air conditioner.
At present, the air conditioner mostly adopts a self-cleaning mode, namely, the operation of an indoor unit is controlled, so that an evaporator is firstly frosted and then defrosted, and the evaporator is cleaned by using the defrosted air. In the process of self-cleaning operation of the existing air conditioner, the frosting time and the defrosting time are both fixed and unchangeable, and the fixed and unchangeable time is generally a value determined under an ideal and specific test working condition. However, in the actual operation process of the air conditioner, the actual operation condition of the air conditioner may be different from the ideal and specific test condition, which may cause the problem that the air conditioner is not accurately controlled easily when the existing self-cleaning program is operated, for example, the frosting time is too short, resulting in insufficient cleaning.
Therefore, a new self-cleaning control method of an air conditioner is proposed in the art to solve the above problems.
Disclosure of Invention
In order to solve the above-mentioned problems in the prior art, that is, in order to more accurately control the self-cleaning of an air conditioner, the present invention provides a self-cleaning control method of an air conditioner, which includes an indoor unit and performs self-cleaning of the indoor unit by means of first frosting and then defrosting, the self-cleaning control method of an air conditioner including the steps of: s110, acquiring a current value I of an indoor fan at the current rotating speed in the process of operating the air conditioner in a standard self-cleaning mode; s120, detecting the current indoor air humidity T; s130, selectively adjusting the frosting time and/or the defrosting time of the standard self-cleaning mode according to the current value I and the indoor air humidity T.
In a preferred embodiment of the above-mentioned self-cleaning control method of the air conditioner, step S130 specifically includes: and executing a standard self-cleaning mode of the air conditioner when the second preset current value is less than I and less than the first preset current value and the second preset humidity value is less than T and less than the first preset humidity value.
In a preferred embodiment of the above-mentioned self-cleaning control method of the air conditioner, step S130 specifically includes: and when the second preset current value is less than the first preset current value and T is more than or equal to the first preset humidity value, reducing the frosting time of the standard self-cleaning mode by first preset time.
In a preferred embodiment of the above-mentioned self-cleaning control method of the air conditioner, step S130 specifically includes: and when the second preset current value is less than or equal to the first preset current value and T is less than or equal to the second preset humidity value, increasing the frosting time of the standard self-cleaning mode by a second preset time.
In a preferred embodiment of the above-mentioned self-cleaning control method of the air conditioner, step S130 specifically includes: and when the I is less than or equal to a second preset current value and the second preset humidity value is less than T and less than the first preset humidity value, increasing the frosting time of the standard self-cleaning mode by a second preset time, and increasing the defrosting time of the standard self-cleaning mode by a first preset time.
In a preferred embodiment of the above-mentioned self-cleaning control method of the air conditioner, step S130 specifically includes: and when the I is less than or equal to a second preset current value and the T is greater than or equal to a first preset humidity value, increasing the defrosting time of the standard self-cleaning mode by a first preset time.
In a preferred embodiment of the above-mentioned self-cleaning control method of the air conditioner, step S130 specifically includes: and when the I is less than or equal to a second preset current value and the T is less than or equal to a second preset humidity value, increasing the frosting time of the standard self-cleaning mode by a third preset time, and increasing the frosting time of the standard self-cleaning mode by a first preset time.
In a preferred embodiment of the above air conditioner self-cleaning control method, the first preset time is any time between 0.5 and 1.5 minutes; the second preset time is any time between 4.5 and 5.5 minutes; the third preset time is any time between 9 and 11 minutes.
In a preferred embodiment of the above air conditioner self-cleaning control method, the first preset time is 1 minute; the second preset time is 5 minutes, and the third preset time is 10 minutes.
The invention also provides an air conditioner, which comprises a controller, wherein the controller is configured to execute the self-cleaning control method of the air conditioner.
The invention selectively adjusts the frosting time and/or defrosting time of the standard self-cleaning mode according to the current value I of the indoor fan and the indoor air humidity T. Compared with the fixed frosting time and defrosting time adopted by the existing self-cleaning mode, the invention can accurately control the frosting time and defrosting time of the standard self-cleaning mode of the air conditioner according to the actual operation condition of the air conditioner, thereby greatly improving the cleaning effect of the air conditioner during self-cleaning operation and further improving the use experience of users.
Drawings
Fig. 1 is a main flowchart of a self-cleaning control method of an air conditioner of the present invention.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The invention provides a self-cleaning control method of an air conditioner, which aims to more accurately control the self-cleaning of the air conditioner. Referring to fig. 1, fig. 1 is a main flowchart of a self-cleaning control method of an air conditioner of the present invention. As shown in fig. 1, the self-cleaning control method of the air conditioner of the present invention includes the following steps: s110, acquiring a current value I of an indoor fan at the current rotating speed in the process of operating a standard self-cleaning mode of the air conditioner; s120, detecting the current indoor air humidity T; and S130, selectively adjusting the frosting time and/or the defrosting time of the standard self-cleaning mode according to the current value I and the indoor air humidity T.
As can be understood by those skilled in the art, when the heat exchanger of the indoor unit is dirty, the intensity of self-cleaning is required to be high, that is, frost needs to be thicker; when the heat exchanger of the indoor unit is cleaner, the self-cleaning needs to be frosted slightly thinner. However, in the self-cleaning operation of the conventional air conditioner, the frosting time and the defrosting time are both fixed and unchanged, so in order to control the self-cleaning of the air conditioner more precisely, in step S130, the frosting time and/or the defrosting time in the self-cleaning mode may be specifically adjusted as follows.
The first situation is as follows: and when the second preset current value is less than I and less than the first preset current value, and the second preset humidity value is less than T and less than the first preset humidity value, executing a standard self-cleaning mode of the air conditioner. Specifically, the first preset current value and the second preset current value may be obtained through experiments by a person skilled in the art, and when the current value of the indoor fan is between the first preset current value and the second preset current value, it is determined that the heat exchanger of the indoor unit is in a general dirty state. The second preset humidity value and the first preset humidity value may also be obtained through experiments by those skilled in the art, and when the indoor air humidity T is between the second preset humidity value and the first preset humidity value, it is determined that the current indoor humidity is in a general humidity state. In this case, a standard self-cleaning mode of the air conditioner is performed, i.e., the frosting/defrosting time in the self-cleaning mode is not increased or decreased.
Case two: and when the second preset current value is less than the first preset current value and T is more than or equal to the first preset humidity value, reducing the frosting time of the standard self-cleaning mode by the first preset time. Specifically, as described above, when the current value of the indoor fan is between the first preset current value and the second preset current value, it is determined that the heat exchanger of the indoor unit is in a generally dirty state; when the indoor air humidity T is higher than the first preset humidity value, it may be determined that the current indoor air humidity is in a humid state. In this case, the frosting time of the standard self-cleaning mode is reduced by the first preset time, and the defrosting time is maintained. The first predetermined time may be obtained by a person skilled in the art by experimentation, for example the first predetermined time may be 1 minute, or any time between 0.5 and 1.5 minutes.
Case three: and when the second preset current value is less than the first preset current value and T is less than or equal to the second preset humidity value, increasing the frosting time of the standard cleaning mode by a second preset time. Specifically, as described above, when the current value of the indoor fan is between the first preset current value and the second preset current value, it is determined that the heat exchanger of the indoor unit is in a generally dirty state; when the indoor air humidity T is lower than the second preset humidity value, it may be judged that the current indoor air humidity is in a dry state. In this case, the frosting time of the standard self-cleaning mode is increased by a second preset time, and the frosting time is maintained. The second predetermined time may be obtained by a person skilled in the art by experimentation, for example the second predetermined time may be 5 minutes, or any time between 4.5 and 5.5 minutes.
Case four: and when the I is less than or equal to a second preset current value and the second preset humidity value is less than T and less than the first preset humidity value, increasing the frosting time of the standard self-cleaning mode by second preset time and increasing the frosting time of the standard self-cleaning mode by first preset time. Specifically, when the current of the indoor fan is lower than a second preset threshold value, the heat exchanger of the indoor unit can be judged to be in a serious dirty state; and when the indoor air humidity T is between the second preset humidity value and the first preset humidity value, judging that the current indoor humidity is in a common humidity state. In this case, the frosting time of the standard self-cleaning mode is increased by a second preset time, and the frosting time of the standard self-cleaning mode is increased by a first preset time. The first predetermined time and the second predetermined time can be obtained by one skilled in the art according to experiments, for example, the first predetermined time can be 1 minute or any time between 0.5 and 1.5 minutes, and the second predetermined time can be 5 minutes or any time between 4.5 and 5.5 minutes.
Case five: and when the I is less than or equal to a second preset current value and the T is greater than or equal to a first preset humidity value, increasing the defrosting time of the standard self-cleaning mode by a first preset time. Specifically, when the current of the indoor fan is lower than a second preset threshold value, the heat exchanger of the indoor unit can be judged to be in a serious dirty state; when the indoor air humidity T is higher than the first preset humidity value, it may be determined that the current indoor air humidity is in a humid state. In this case, the defrosting time of the standard self-cleaning mode is increased by a first preset time, and the frosting time is maintained. The first predetermined time may be obtained by a person skilled in the art by experimentation, for example the first predetermined time may be 1 minute, or any time between 0.5 and 1.5 minutes.
Case six: and when the I is less than or equal to a second preset current value and the T is less than or equal to a second preset humidity value, increasing the frosting time of the standard self-cleaning mode by a third preset time, and increasing the frosting time of the standard self-cleaning mode by a first preset time. Specifically, when the current of the indoor fan is lower than a second preset threshold value, the heat exchanger of the indoor unit can be judged to be in a serious dirty state; when the indoor air humidity T is lower than the second preset humidity value, it may be judged that the current indoor air humidity is in a dry state. In this case, the frosting time of the standard self-cleaning mode is increased by a third preset time, and the defrosting time of the standard self-cleaning mode is increased by the first preset time. The third predetermined time and the first predetermined time may be obtained by a person skilled in the art according to experiments, for example, the third predetermined time may be 10 minutes, or any time between 9 and 11 minutes, and the first predetermined time may be 1 minute, or any time between 0.5 and 1.5 minutes.
It should be noted that, the first preset current value and the second preset current value may be obtained by a person skilled in the art through a test, specifically, the lowest value of the current value of the indoor fan when the heat exchanger of the indoor unit is in a general dirty state is obtained through test data, and when the current value is lower than the lowest value, it is determined that the heat exchanger of the indoor unit is in a serious dirty state. Similarly, the first preset humidity value and the second preset humidity value may also be obtained by a person skilled in the art through a test, specifically, an interval range when the indoor air humidity is at the ordinary humidity is obtained through test data, after the interval range is determined, if the indoor air humidity is higher than an upper limit of the interval range, it is indicated that the indoor air humidity is in a wet state, and if the indoor air humidity is lower than a lower limit of the interval range, it is indicated that the indoor air humidity is in a dry state. In addition, the first preset time, the second preset time and the third preset time can also be obtained by the skilled person through experiments.
The present invention also provides an air conditioner including a controller configured to be able to perform the air conditioner self-cleaning control method in the above. The specific self-cleaning control method of the air conditioner refers to the above, and is not described herein again.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (3)
1. A self-cleaning control method of an air conditioner, the air conditioner comprises an indoor unit and self-cleans the indoor unit by means of first frosting and then defrosting, characterized in that the self-cleaning control method of the air conditioner comprises the following steps:
s110, acquiring a current value I of an indoor fan at the current rotating speed in the process of operating the air conditioner in a standard self-cleaning mode;
s120, detecting the current indoor air humidity T;
s130, selectively adjusting the frosting time and/or the defrosting time in the standard self-cleaning mode according to the current value I and the indoor air humidity T;
wherein, step S130 specifically includes:
when the second preset current value is less than the first preset current value and the second preset humidity value is less than the first preset humidity value, executing a standard self-cleaning mode of the air conditioner;
when the second preset current value is less than the first preset current value and T is more than or equal to the first preset humidity value, reducing the frosting time of the standard self-cleaning mode by first preset time;
when the second preset current value is less than the first preset current value and T is less than or equal to a second preset humidity value, increasing the frosting time of the standard self-cleaning mode by a second preset time;
when the I is less than or equal to a second preset current value and the second preset humidity value is less than T and less than the first preset humidity value, increasing the frosting time of the standard self-cleaning mode by a second preset time, and increasing the frosting time of the standard self-cleaning mode by a first preset time;
when the I is less than or equal to a second preset current value and the T is greater than or equal to a first preset humidity value, increasing the defrosting time of the standard self-cleaning mode by a first preset time;
when the I is less than or equal to a second preset current value and the T is less than or equal to a second preset humidity value, increasing the frosting time of the standard self-cleaning mode by a third preset time, and increasing the frosting time of the standard self-cleaning mode by a first preset time;
wherein the first preset time is any time between 0.5 and 1.5 minutes; the second preset time is any time between 4.5 and 5.5 minutes; the third preset time is any time between 9 and 11 minutes.
2. An air conditioner self-cleaning control method as claimed in claim 1, wherein said first preset time is 1 minute; the second preset time is 5 minutes, and the third preset time is 10 minutes.
3. An air conditioner comprising a controller, wherein the controller is configured to be able to perform the air conditioner self-cleaning control method as set forth in claim 1 or 2.
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CN201910218978.8A CN109916051B (en) | 2019-03-21 | 2019-03-21 | Air conditioner self-cleaning control method and air conditioner |
PCT/CN2020/079890 WO2020187224A1 (en) | 2019-03-21 | 2020-03-18 | Self-cleaning control method for air conditioner, and air conditioner |
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CN109916051B (en) * | 2019-03-21 | 2021-05-25 | 青岛海尔空调器有限总公司 | Air conditioner self-cleaning control method and air conditioner |
WO2023173587A1 (en) * | 2022-03-16 | 2023-09-21 | 广东美的制冷设备有限公司 | Air conditioner control method, air conditioner, and computer-readable storage medium |
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CN107631410A (en) * | 2017-10-10 | 2018-01-26 | 广东美的制冷设备有限公司 | The self cleaning method and air conditioner of heat exchanger of air conditioner |
CN108413573A (en) * | 2018-02-14 | 2018-08-17 | 青岛海尔空调器有限总公司 | Automatically cleaning control method and air conditioner for air conditioner |
CN109099550A (en) * | 2018-06-21 | 2018-12-28 | 青岛海尔空调器有限总公司 | control method and air conditioner for air conditioner |
CN109237746A (en) * | 2018-09-12 | 2019-01-18 | 青岛海尔空调器有限总公司 | Air conditioner and its control method |
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