CN112594886B - Air conditioner self-cleaning control method and air conditioner self-cleaning control system - Google Patents
Air conditioner self-cleaning control method and air conditioner self-cleaning control system Download PDFInfo
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- CN112594886B CN112594886B CN202011479334.3A CN202011479334A CN112594886B CN 112594886 B CN112594886 B CN 112594886B CN 202011479334 A CN202011479334 A CN 202011479334A CN 112594886 B CN112594886 B CN 112594886B
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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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
- F24F2110/20—Humidity
Abstract
The invention discloses an air conditioner self-cleaning control method and an air conditioner self-cleaning control system, wherein the air conditioner self-cleaning control method comprises the following steps: detecting indoor humidity W before self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity W 0 If the difference is not within the set range, the indoor is dehumidified. The self-cleaning control method of the air conditioner detects the indoor humidity W before self-cleaning, and if the indoor humidity W is equal to the set humidity value W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 The difference of then dehumidify indoor, avoided the air conditioner to carry out the automatically cleaning under the too big condition of indoor humidity, reduced the icing volume of vapor, can avoid the vapor condensation even to freeze, effectively reduced the abnormal sound number of times, also reduced the abnormal sound, reduced the noise, promoted user experience.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner self-cleaning control method and an air conditioner self-cleaning control system.
Background
At present, the air conditioner mostly adopts a self-cleaning mode to clean a heat exchanger in an indoor unit, and specifically, the operation of the air conditioner is controlled to firstly frost an evaporator and then defrost, and the evaporator is cleaned by defrosting.
In the self-cleaning method, water vapor in the air is utilized to condense and frost on the evaporator. In the frosting process, water vapor is easy to condense into ice, so that the frequency of abnormal sound is more during frosting and defrosting, the abnormal sound is larger, the noise is larger, and the user experience is influenced.
In summary, how to implement self-cleaning of an air conditioner to reduce the frequency of abnormal sounds and abnormal sounds, reduce noise, and improve user experience is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an air conditioner self-cleaning control method, which is used for reducing abnormal sound times, reducing abnormal sound, reducing noise and improving user experience. Another object of the present invention is to provide a self-cleaning control system for an air conditioner.
In order to achieve the above purpose, the invention provides the following technical scheme:
an air conditioner self-cleaning control method comprises the following steps:
detecting indoor humidity W before self-cleaning;
if the indoor humidity W is equal to the set humidity W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 If the difference is not within the set range, the indoor is dehumidified.
Preferably, the air conditioner self-cleaning control method further comprises the steps of: detecting an indoor temperature T before self-cleaning, wherein the set humidity value W 0 As a function of the room temperature T.
Preferably, if T ∈ [ T ] 1 ,T 2 ]Then W is 0 =1; if T ∈ (T) 2 ,T 3 ]Then W is 0 ＝A*T 3 +B*T 2 +CT+b。
Preferably, T 1 ＝-10℃，T 2 ＝12℃，T 3 ＝40℃；
A＝-6*10 -6 B =0.0013, C = -0.083, B =1.81, or a = -1 × 10 -5 、B＝0.0019、C＝-0.094、b＝1.8463。
Preferably, the step of: dehumidifying the indoor, specifically controlling an air conditioner to operate in a dehumidification mode;
in the step: after dehumidifying the indoor, the self-cleaning control method of the air conditioner further comprises the following steps: judging the indoor humidity W and the set humidity value W at intervals of a first set time 0 If the difference is in the set range, the dehumidification is stopped if the difference is in the set range, and if the difference is not in the set range, the dehumidification is continued.
Preferably, the step of controlling the air conditioner to perform self-cleaning specifically comprises: and controlling the air conditioner to operate in a frosting mode for a second set time, and then controlling the air conditioner to operate in a defrosting mode.
The self-cleaning control method of the air conditioner detects the indoor humidity W before self-cleaning, and if the indoor humidity W is equal to the set humidity value W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 The difference of then dehumidify indoor, like this, avoided the air conditioner to carry out the automatically cleaning under the too big condition of indoor humidity to reduce the icing volume of vapor, can avoid the vapor condensation even to freeze, effectively reduced the abnormal sound number of times, also reduced the abnormal sound, reduced the noise, promoted user experience.
Based on the air conditioner self-cleaning control method, the invention also provides an air conditioner self-cleaning control system, which comprises the following components:
a humidity sensor for detecting indoor humidity;
a control module, if the indoor humidity W and the set humidity value W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 If the difference value is not in the set range, the indoor is dehumidified.
Preferably, the air conditioner self-cleaning control system further comprises:
a temperature sensor for detecting an indoor temperature;
wherein the set humidity value W 0 As a function of the room temperature T.
Preferably, the humidity sensor and the temperature sensor are both arranged in an air conditioner indoor unit and are positioned on the windward side of a heat exchanger in the air conditioner indoor unit.
Preferably, if T ∈ [ T ] 1 ,T 2 ]Then W is 0 =1; if T ∈ (T) 2 ,T 3 ]Then W is 0 ＝A*T 3 +B*T 2 +CT+b。
Preferably, T 1 ＝-10℃，T 2 ＝12℃，T 3 ＝40℃；
A＝-6*10 -6 B =0.0013, C = -0.083, B =1.81, or a = -1 × 10 -5 、B＝0.0019、C＝-0.094、b＝1.8463。
Preferably, the control module dehumidifies the indoor space by controlling the air conditioner to operate in a dehumidification mode;
the control module is further configured to: after indoor dehumidification, judging the indoor humidity W and the set humidity value W at intervals of a first set time 0 If the difference is in the set range, the dehumidification is stopped if the difference is in the set range, and if the difference is not in the set range, the dehumidification is continued.
Preferably, the control module controls the air conditioner to perform self-cleaning, specifically: the control module controls the air conditioner to operate in a frosting mode for a second set time and then controls the air conditioner to operate in a defrosting mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a flowchart of an air conditioner self-cleaning control method according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a humidity value W set in the self-cleaning control method for an air conditioner according to an embodiment of the present invention 0 A graph relating to the indoor temperature T;
fig. 3 is a schematic diagram illustrating an arrangement of a temperature and humidity sensor in a self-cleaning control system of an air conditioner according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The embodiment of the invention provides an air conditioner self-cleaning control method, which comprises the following steps:
s11) detecting the indoor humidity W before self-cleaning;
s12) if the indoor humidity W and the set humidity W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 If the difference value is not in the set range, the indoor is dehumidified.
In step S11, the indoor temperature W is detected before self-cleaning, specifically, the indoor temperature W is detected when self-cleaning is required, for example, the indoor temperature W is detected before self-cleaning after receiving a self-cleaning command.
For the above set humidity value W 0 And a setting range, which is selected and set according to actual needs, and this embodiment does not limit this.
The air conditioner self-cleaning control method provided by the embodiment of the invention detects the indoor humidity W before self-cleaning, and if the indoor humidity W is equal to the set humidity value W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 If the difference value is not in the set range, the indoor is dehumidified, thus avoiding the air conditioner from being dehumidified under the condition of overlarge indoor humidityAutomatically cleaning to reduce the volume of freezing of vapor, can avoid the vapor condensation even to freeze, effectively reduced the abnormal sound number of times, also reduced the abnormal sound, reduced the noise, promoted user experience.
Since the humidity and the temperature are affected by each other, the required indoor humidity may be different when the indoor temperature is different, i.e., the set humidity value W 0 Will be different. Therefore, in order to improve reliability, the air conditioner self-cleaning control method further comprises the following steps: detecting the room temperature T before self-cleaning, wherein a humidity value W is set 0 As a function of the room temperature T.
For the above set humidity value W 0 And the relation with the indoor temperature is set according to actual needs. Preferably, if T ∈ [ T ] 1 ,T 2 ]Then W is 0 =1; if T ∈ (T) 2 ,T 3 ]Then W is 0 ＝A*T 3 +B*T 2 +CT+b。
Specifically, as shown in fig. 2, the curve in fig. 2 is named critical icing line and is fitted with experimental values. The manufacturing principle of the critical icing line is as follows: and under a specific temperature point, a specific air humidity value is found, when a self-cleaning program is operated, only frost is formed and ice is not formed or the icing quantity is small, and the abnormal sound frequency is acceptable. If the air humidity is higher than the specific air humidity value, more ice is formed, more abnormal sound times are generated, and the abnormal sound is smaller. Will T 1 To T 4 The specific air humidity values within the range are fitted to a function and stored in a preset program. And automatically determining the indoor humidity and setting the humidity value W by the preset program 0 The magnitude relation between the indoor humidity W and the set humidity W is obtained 0 And judging whether the delta W is within a preset range.
In fig. 2, the abscissa represents the room temperature T and the unit thereof is ℃.
In the above formula, A, B, C and b are both coefficients. T is 1 、T 2 、T 3 The specific values A, B, C and b are related to fins and pipe diameters of heat exchangers in the air conditioner indoor unit, control programs of the air conditioner indoor unit and the like, and need to be set according to actual conditions. E.g. T 1 ＝-10℃、T 2 ＝12℃、T 3 ＝40℃、A＝-6*10 -6 B =0.0013, C = -0.083, B =1.81, or T 1 ＝-10℃、T 2 ＝12℃、T 3 ＝40℃、A＝-1*10 -5 、B＝0.0019、C＝-0.094、b＝1.8463。
In the practical application process, T can also be selected 1 、T 2 、T 3 A, B, C and b are other values and are not limited to the above limitations.
The above setting range may be-3% to 3%, or may be other, and this embodiment does not limit this.
In the above self-cleaning control method of air conditioner, if the indoor humidity W and the set humidity value W 0 If the difference is not within the set range, the indoor is dehumidified. In order to facilitate dehumidification of the room, the above steps are preferred: and dehumidifying the indoor, specifically controlling the air conditioner to operate in a dehumidification mode. It is understood that the air conditioner has a dehumidification mode at this time. The operation mode of the dehumidification mode is set according to actual needs, which is not limited in this embodiment.
In the self-cleaning control method of the air conditioner, if the indoor humidity W and the set humidity value W 0 If the difference is not within the set range, the indoor is dehumidified. It can be understood that when the indoor humidity W is equal to the set humidity value W 0 If the difference value is within the set range, the dehumidification is stopped. In order to terminate dehumidification as early as possible, preferably, after the step of dehumidifying the room, the above air conditioner self-cleaning control method further comprises the steps of: judging the indoor humidity W and the set humidity value W every a first set time 0 If the difference is in the set range, the dehumidification is stopped if the difference is in the set range, and if the difference is not in the set range, the dehumidification is continued.
The setting time is set according to actual needs. The setting time is not suitable to be too long, and if the setting time is too long, the dehumidification time is increased; the setting time is not too short, otherwise, the judgment is repeated. Preferably, the set time is 20s. Of course, the setting time may be other, which is not limited in this embodiment.
In the self-cleaning control method of the air conditioner, the air conditioner is controlled to carry out self-cleaning through the steps, and specifically, self-cleaning is realized by controlling frosting and defrosting of the air conditioner. In order to secure the cleaning effect, it is necessary to control the amount of frost, for example, the amount of frost can be controlled by the frost time. Specifically, the step of controlling the air conditioner to perform self-cleaning specifically comprises the following steps: and controlling the air conditioner to operate in a frosting mode for a second set time, and then controlling the air conditioner to operate in a defrosting mode.
The second setting time is selected according to actual needs, which is not limited in this embodiment.
In practical application, the frosting amount can be controlled by other parameters, such as air volume, and the like, and is not limited to the above embodiment.
To more specifically explain the self-cleaning control method of the air conditioner provided by the present invention, a more specific self-cleaning control method of the air conditioner is provided below, as shown in fig. 1, the self-cleaning control method of the air conditioner includes the steps of:
s21) receiving a self-cleaning instruction;
s22) detecting indoor humidity W and indoor temperature T before self-cleaning;
s23) acquiring indoor humidity W and set humidity value W 0 And judging whether the difference is within a set range, if not, entering step S24, and if so, entering step S25;
s24) controlling the air conditioner to operate in a dehumidification mode and returning to the step S22;
s25) controlling the air conditioner to operate in a frosting mode;
s26) controlling the air conditioner to operate in a defrosting mode;
wherein if T ∈ [ ] 1 ,T 2 ]Then W is 0 =1; if T ∈ (T) 2 ,T 3 ]Then W is 0 ＝A*T 3 +B*T 2 +CT+b；T 1 ＝-10℃、T 2 ＝12℃、T 3 ＝40℃、A＝-6*10 -6 B =0.0013, C = -0.083, B =1.81, or T 1 ＝-10℃、T 2 ＝12℃、T 3 ＝40℃、A＝-1*10 -5 、B＝0.0019、C＝-0.094、b＝1.8463。
In the above air conditioner self-cleaning control method, the specific value of the setting range is selected and set according to the above description, which is not described herein again.
Based on the self-cleaning control method of the air conditioner provided by the embodiment, the embodiment of the invention also provides a self-cleaning control system of the air conditioner, which comprises a humidity sensor and a control module, wherein the humidity sensor is used for detecting the humidity sensor of the indoor humidity; if the indoor humidity W is equal to the set humidity W 0 If the difference value is within the set range, the control module controls the air conditioner to carry out self-cleaning; if the indoor humidity W is equal to the set humidity W 0 If the difference is not in the set range, the control module dehumidifies the indoor space.
For the above set humidity value W 0 And a setting range, which is selected and set according to actual needs, and this embodiment does not limit this.
The air conditioner self-cleaning control system provided by the embodiment of the invention detects the indoor humidity W before self-cleaning through the humidity sensor, and if the indoor humidity W is equal to the set humidity value W 0 If the difference value is within the set range, the control module controls the air conditioner to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 The difference value of (2) is not in the setting range, then the control module dehumidifies indoor, like this, has avoided the air conditioner to carry out the automatically cleaning under the too big condition of indoor humidity to reduce the icing volume of vapor, can avoid the vapor condensation even to freeze, effectively reduced the abnormal sound number of times, also reduced the abnormal sound, reduced the noise, promoted user experience.
Since the humidity and the temperature are affected by each other, the required indoor humidity may be different when the indoor temperature is different, i.e., the set humidity value W 0 Will be different. Therefore, in order to improve reliability, the air conditioner self-cleaning control system further comprises a temperature sensor for detecting the indoor temperature, and the set humidity value W 0 As a function of the room temperature T.
In order to improve accuracy, it is preferable that the temperature sensor and the humidity sensor be provided at the same position. Further, as shown in fig. 3, the humidity sensor and the temperature sensor are integrated into one temperature/humidity sensor 1.
In the self-cleaning process, frost is formed on the heat exchanger 2 of the air conditioner indoor unit, and in order to improve reliability, the humidity sensor and the temperature sensor are preferably arranged in the air conditioner indoor unit and are positioned on the windward side of the heat exchanger 2 in the air conditioner indoor unit.
In the practical application process, the humidity sensor and the temperature sensor are selected as far as possible to be close to the heat exchanger 2 of the air conditioner indoor unit, the distance between the humidity sensor and the temperature sensor and the heat exchanger 2 of the air conditioner indoor unit is selected according to actual needs, and the embodiment does not limit the distance.
As shown in fig. 3, when the humidity sensor and the temperature sensor are integrated into one temperature and humidity sensor 1, the temperature and humidity sensor 1 is disposed in the air conditioner indoor unit and is located on the windward side of the heat exchanger 2 in the air conditioner indoor unit, as shown in fig. 3.
For the above set humidity value W 0 And the relation with the indoor temperature is set according to actual needs. Preferably, if T ∈ [ T ] 1 ,T 2 ]Then W is 0 =1; if T e (T) 2 ,T 3 ]Then W is 0 ＝A*T 3 +B*T 2 +CT+b。
Specifically, as shown in fig. 2, the curve in fig. 2 is named critical icing line and is fitted with experimental values. The manufacturing principle of the critical icing line is as follows: and under a specific temperature point, a specific air humidity value is found, when a self-cleaning program is operated, only frost is formed and ice is not formed or the icing quantity is small, and the abnormal sound frequency is acceptable. If the air humidity is larger than the specific air humidity value, more icing occurs, the generated abnormal sound times are more, and the abnormal sound is smaller. Will T 1 To T 4 The specific air humidity values within the range are fitted to a function and stored in a preset program. And automatically determining the indoor humidity and setting the humidity value W by the preset program 0 The indoor humidity W and the set humidity value W are obtained according to the size relation between the indoor humidity and the set humidity 0 And judging whether the delta W is within a preset range.
In the above equation, A, B, C and b are both coefficients. T is 1 、T 2 、T 3 A, B, C and b and heat exchanger 2 in air conditioner indoor unitThe fin, the pipe diameter, the control program of the air conditioner internal unit and the like are related, and the setting is required according to the actual situation. E.g. T 1 ＝-10℃、T 2 ＝12℃、T 3 ＝40℃、A＝-6*10 -6 B =0.0013, C = -0.083, B =1.81, or T 1 ＝-10℃、T 2 ＝12℃、T 3 ＝40℃、A＝-1*10 -5 、B＝0.0019、C＝-0.094、b＝1.8463。
In the practical application process, T can also be selected 1 、T 2 、T 3 A, B, C and b are other values and are not limited to the above limitations.
The above setting range may be-3% to 3%, or may be other, and this embodiment does not limit this.
In the self-cleaning control method of the air conditioner, if the indoor humidity W and the set humidity value W 0 If the difference is not within the set range, the indoor is dehumidified. In order to facilitate dehumidification of the room, it is preferable that the control module dehumidifies the room by controlling the air conditioner to operate in a dehumidification mode. It is understood that the air conditioner has a dehumidification mode at this time. The operation mode of the dehumidification mode is set according to actual needs, which is not limited in this embodiment.
In the self-cleaning control method of the air conditioner, if the indoor humidity W and the set humidity value W 0 If the difference is not within the set range, the indoor is dehumidified. It can be understood that when the indoor humidity W is equal to the set humidity value W 0 If the difference value is within the set range, the dehumidification is stopped. In order to end dehumidification as early as possible, the control module is preferably further adapted to: after dehumidifying the indoor, judging the indoor humidity W and the set humidity value W at intervals of a first set time 0 If the difference is in the set range, the dehumidification is stopped if the difference is in the set range, and if the difference is not in the set range, the dehumidification is continued.
The setting time is set according to actual needs. The setting time is not suitable to be too long, and if the setting time is too long, the dehumidification time is increased; the setting time is not too short, otherwise, the judgment is repeated. Preferably, the set time is 20s. Of course, the setting time may be other times, which is not limited in this embodiment.
In the air conditioner self-cleaning control system, the control module controls the air conditioner to perform self-cleaning, and specifically, the control module controls the air conditioner to frost and defrost to realize self-cleaning. In order to secure the cleaning effect, it is necessary to control the amount of frost, for example, the amount of frost can be controlled by the time of frost formation. Specifically, the above-mentioned control module controls the air conditioner to perform self-cleaning specifically: the control module controls the air conditioner to operate in a frosting mode for a second set time and then controls the air conditioner to operate in a defrosting mode.
The second setting time is selected according to actual needs, which is not limited in this embodiment.
In practical application, the frosting amount can be controlled by other parameters, such as air volume, and the like, and is not limited to the above embodiment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An air conditioner self-cleaning control method is characterized by comprising the following steps:
detecting indoor humidity W before self-cleaning;
if the indoor humidity W is equal to the set humidity value W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 If the difference value is not in the set range, dehumidifying the indoor space;
the step of controlling the air conditioner to carry out self-cleaning specifically comprises the following steps: controlling the air conditioner to operate in a frosting mode for a second set time, and then controlling the air conditioner to operate in a defrosting mode;
the set range can be-3%;
the self-cleaning control method of the air conditioner also comprises the following steps: detecting an indoor temperature T before self-cleaning, wherein the set humidity value W 0 As a function of the room temperature T;
if T is an element of [ T ∈ [ ] 1 ,T 2 ]Then W is 0 =1; if T ∈ (T) 2 ,T 3 ]Then W is 0 ＝A*T 3 +B*T 2 +CT+b；
T 1 ＝-10℃，T 2 ＝12℃，T 3 ＝40℃；
A＝-6*10 -6 B =0.0013, C = -0.083, B =1.81, or a = -1 × 10 -5 、B＝0.0019、C＝-0.094、b＝1.8463。
2. An air conditioner self-cleaning control method as claimed in claim 1, wherein said steps of: dehumidifying the indoor, specifically controlling an air conditioner to operate in a dehumidification mode;
in the step: after dehumidifying the indoor, the self-cleaning control method of the air conditioner further comprises the following steps: judging the indoor humidity W and the set humidity value W at intervals of a first set time 0 If the difference is in the set range, the dehumidification is stopped if the difference is in the set range, and if the difference is not in the set range, the dehumidification is continued.
3. An air conditioner self-cleaning control system, comprising:
a humidity sensor for detecting indoor humidity;
a control module, if the indoor humidity W and the set humidity value W 0 If the difference value is within the set range, the air conditioner is controlled to carry out self-cleaning; if the indoor humidity W is equal to the set humidity value W 0 If the difference value is not in the set range, dehumidifying the indoor space;
the control module controls the air conditioner to carry out self-cleaning, and specifically comprises the following steps: the control module controls the air conditioner to operate in a frosting mode for a second set time and then controls the air conditioner to operate in a defrosting mode;
the set range can be-3%;
the air conditioner self-cleaning control system further comprises:
a temperature sensor for detecting an indoor temperature;
wherein the set humidity value W 0 As a function of the room temperature T;
if T is an element of [ T ∈ [ ] 1 ,T 2 ]Then W is 0 =1; if T ∈ (T) 2 ,T 3 ]Then W is 0 ＝A*T 3 +B*T 2 +CT+b；
T 1 ＝-10℃，T 2 ＝12℃，T 3 ＝40℃；
A＝-6*10 -6 B =0.0013, C = -0.083, B =1.81, or a = -1 × 10 -5 、B＝0.0019、C＝-0.094、b＝1.8463。
4. An air conditioner self-cleaning control system according to claim 3, wherein the humidity sensor and the temperature sensor are both arranged in an air conditioner indoor unit and are positioned on the windward side of a heat exchanger in the air conditioner indoor unit.
5. An air conditioner self-cleaning control system as claimed in claim 3, wherein said control module dehumidifies the room by controlling the air conditioner to operate in a dehumidification mode;
the control module is further configured to: after indoor dehumidification, judging the indoor humidity W and the set humidity value W at intervals of a first set time 0 If the difference is in the set range, the dehumidification is stopped if the difference is in the set range, and if the difference is not in the set range, the dehumidification is continued.
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