CN114543294B - Air conditioner control method and device, air conditioner and storage medium - Google Patents
Air conditioner control method and device, air conditioner and storage medium Download PDFInfo
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- CN114543294B CN114543294B CN202011357850.9A CN202011357850A CN114543294B CN 114543294 B CN114543294 B CN 114543294B CN 202011357850 A CN202011357850 A CN 202011357850A CN 114543294 B CN114543294 B CN 114543294B
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- 238000000034 method Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 238000005406 washing Methods 0.000 claims abstract description 112
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 74
- 231100000719 pollutant Toxicity 0.000 claims abstract description 74
- 238000005507 spraying Methods 0.000 claims abstract description 50
- 239000007921 spray Substances 0.000 claims abstract description 16
- 238000012937 correction Methods 0.000 claims description 28
- 238000004590 computer program Methods 0.000 claims description 10
- 239000000356 contaminant Substances 0.000 claims description 8
- 239000012855 volatile organic compound Substances 0.000 description 90
- 238000013461 design Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- -1 CO 2 Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
-
- 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
-
- 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
-
- 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
-
- 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
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method, a device, an air conditioner and a storage medium of the air conditioner, wherein a water washing unit is arranged in the air conditioner, the water washing unit comprises an air supply device and a spraying device, and the water washing unit receives the real-time concentration of at least one target pollutant in VOC, CO 2 and PM2.5 in indoor air detected by a sensor; if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, starting the water washing unit, controlling the air supply device to supply air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the supplied air; and when the real-time concentration of the target pollutant is reduced to the target threshold value and/or the spraying time reaches the preset time, controlling the water washing unit to stop running. The air is washed by forming a water curtain through the water washing unit of the air conditioner, so that the effective control of the concentration of indoor VOC, CO 2 and PM2.5 is realized, the indoor air quality is effectively improved, and the household expense is reduced; and the system can be automatically controlled, simplify the operation of a user and improve the user experience.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a control method and device of an air conditioner, the air conditioner and a storage medium.
Background
As people's quality of life increases, more and more people are beginning to be concerned about indoor air quality problems, especially VOC (Volatile Organic Compounds ), CO 2 (carbon dioxide), PM2.5 (fine particulate matter) concentrations in indoor air.
In order to improve indoor air quality, people usually adopt an air purifier for filtering and purifying. The air purifier on the market generally has better purifying effect on PM2.5, but generally does not have the function of purifying VOC and reducing CO 2, and the air purifier with the function of purifying VOC is generally high in price.
Disclosure of Invention
The invention provides a control method and device of an air conditioner, the air conditioner and a storage medium, wherein a water washing unit is arranged in the air conditioner, and the water washing unit is used for effectively controlling the concentration of indoor VOC, CO 2 and PM2.5 and effectively improving the indoor air quality.
A first aspect of the present invention provides a control method of an air conditioner, the air conditioner including a washing unit including an air supply device and a spray device, the method including:
Receiving a real-time concentration of a target pollutant in indoor air detected by a sensor, wherein the target pollutant comprises at least one of VOC, CO 2 and PM 2.5;
if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, starting the water washing unit, controlling the air supply device to send air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the sent air;
And when the real-time concentration of the target pollutant is reduced to a target threshold value and/or the spraying time reaches a preset time, controlling the water washing unit to stop running.
In one possible design, the target contaminant is a VOC; the method further comprises the steps of:
The real-time concentration of VOCs is modified based on the current humidity conditions of the indoor air.
In one possible design, the correcting for the real-time concentration of VOCs includes:
receiving a current relative humidity value of indoor air detected by a sensor;
if the current relative humidity value is larger than the preset relative humidity threshold value, acquiring a compensation value according to the current relative humidity value;
And correcting the real-time concentration of the VOC according to the compensation value.
In one possible design, the correcting for the real-time concentration of VOCs includes:
Acquiring a compensation value according to the operation time of the water washing unit;
And correcting the real-time concentration of the VOC according to the compensation value.
In one possible design, the correcting for the real-time concentration of VOCs includes:
acquiring the standard moisture content of indoor air under a standard working condition and the real-time moisture content of the current indoor air;
Obtaining a correction coefficient, wherein the correction coefficient is the ratio of the standard moisture content to the real-time moisture content;
and obtaining the product of the real-time concentration of the VOC and the correction coefficient, and determining the product as the corrected real-time concentration of the VOC.
In one possible design, the obtaining the standard moisture content of the indoor air under the standard working condition includes:
acquiring the moisture content corresponding to the indoor temperature and the relative humidity under the standard working condition according to a preset moisture content comparison table, and determining the moisture content corresponding to the indoor temperature and the relative humidity under the standard working condition as the standard moisture content of the indoor air under the standard working condition; or alternatively
Acquiring the standard moisture content of indoor air under the standard working condition according to the indoor temperature and the relative humidity under the standard working condition and a preset empirical formula;
the acquiring the real-time moisture content of the current indoor air comprises the following steps:
acquiring the moisture content corresponding to the current indoor temperature and the relative humidity according to a preset moisture content comparison table, and determining the moisture content corresponding to the current indoor temperature and the relative humidity as the real-time moisture content of the current indoor air; or alternatively
And acquiring the real-time moisture content of the current indoor air according to the current indoor temperature and the relative humidity and a preset empirical formula.
In one possible design, the method further comprises:
If the air conditioner is monitored to enter a sleep mode and the real-time concentration of the target pollutant exceeds a corresponding preset threshold value, controlling the water washing unit to operate in a low air volume mode or controlling the water washing unit not to operate;
Wherein the motors in the air supply device and the spraying device in the low air volume mode run at a preset low rotation speed.
A second aspect of the present invention provides a control device for an air conditioner including a washing unit including an air supply device and a shower device, the device including:
The receiving module is used for receiving the real-time concentration of target pollutants in the indoor air, which are detected by the sensor, wherein the target pollutants comprise at least one of VOC, CO 2 and PM 2.5;
The control module is used for starting the water washing unit if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, controlling the air supply device to send air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the sent air; and when the real-time concentration of the target pollutant is reduced to a target threshold value and/or the spraying time reaches a preset time, controlling the water washing unit to stop running.
In one possible design, the target contaminant is a VOC; the control module is further configured to:
The real-time concentration of VOCs is modified based on the current humidity conditions of the indoor air.
In one possible design, the control module, when modifying the real-time concentration of VOCs, is to:
receiving a current relative humidity value of indoor air detected by a sensor;
if the current relative humidity value is larger than the preset relative humidity threshold value, acquiring a compensation value according to the current relative humidity value;
And correcting the real-time concentration of the VOC according to the compensation value.
In one possible design, the control module, when modifying the real-time concentration of VOCs, is to:
Acquiring a compensation value according to the operation time of the water washing unit;
And correcting the real-time concentration of the VOC according to the compensation value.
In one possible design, the control module, when modifying the real-time concentration of VOCs, is to:
acquiring the standard moisture content of indoor air under a standard working condition and the real-time moisture content of the current indoor air;
Obtaining a correction coefficient, wherein the correction coefficient is the ratio of the standard moisture content to the real-time moisture content;
and obtaining the product of the real-time concentration of the VOC and the correction coefficient, and determining the product as the corrected real-time concentration of the VOC.
In one possible design, the control module, when acquiring the standard moisture content of the indoor air under the standard working condition, is configured to:
acquiring the moisture content corresponding to the indoor temperature and the relative humidity under the standard working condition according to a preset moisture content comparison table, and determining the moisture content corresponding to the indoor temperature and the relative humidity under the standard working condition as the standard moisture content of the indoor air under the standard working condition; or alternatively
Acquiring the standard moisture content of indoor air under the standard working condition according to the indoor temperature and the relative humidity under the standard working condition and a preset empirical formula;
The control module is used for acquiring the real-time moisture content of the current indoor air and is used for:
acquiring the moisture content corresponding to the current indoor temperature and the relative humidity according to a preset moisture content comparison table, and determining the moisture content corresponding to the current indoor temperature and the relative humidity as the real-time moisture content of the current indoor air; or alternatively
And acquiring the real-time moisture content of the current indoor air according to the current indoor temperature and the relative humidity and a preset empirical formula.
In one possible design, the control module is further configured to:
If the air conditioner is monitored to enter a sleep mode and the real-time concentration of the target pollutant exceeds a corresponding preset threshold value, controlling the water washing unit to operate in a low air volume mode or controlling the water washing unit not to operate;
Wherein the motors in the air supply device and the spraying device in the low air volume mode run at a preset low rotation speed.
A third aspect of the present invention provides an air conditioner, comprising:
at least one sensor for detecting a real-time concentration of a target contaminant in indoor air, wherein the target contaminant comprises at least one of VOC, CO 2, PM 2.5;
a memory for storing a computer program;
A processor for running a computer program stored in the memory to implement the method as described in the first aspect.
A fourth aspect of the present invention is to provide a computer-readable storage medium having a computer program stored thereon;
the computer program, when executed by a processor, implements the method as described in the first aspect.
The invention provides a control method, a device, an air conditioner and a storage medium of the air conditioner, wherein a water washing unit is arranged in the air conditioner, the water washing unit comprises an air supply device and a spraying device, and the water washing unit receives the real-time concentration of target pollutants in indoor air detected by a sensor, wherein the target pollutants comprise at least one of VOC, CO 2 and PM 2.5; if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, starting the water washing unit, controlling the air supply device to supply air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the supplied air; and when the real-time concentration of the target pollutant is reduced to the target threshold value and/or the spraying time reaches the preset time, controlling the water washing unit to stop running. The water curtain is formed by the water washing unit of the air conditioner to wash the air, so that the effective control of the concentration of the indoor VOC, the concentration of the CO 2 and the concentration of the PM2.5 can be realized, the indoor air quality is effectively improved, the cost is lower, the high cost is not required, and the household expense is reduced; meanwhile, the air quality can be automatically adjusted by detecting the real-time concentration of the target pollutant, so that the operation of a user is simplified, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of a water washing unit of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a flowchart of a control method of an air conditioner according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a control method of an air conditioner according to another embodiment of the present invention;
fig. 4 is a flowchart of a control method of an air conditioner according to another embodiment of the present invention;
Fig. 5 is a flowchart of a control method of an air conditioner according to another embodiment of the present invention;
Fig. 6 is a block diagram of a control device of an air conditioner according to an embodiment of the present invention;
fig. 7 is a block diagram of an air conditioner according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to improve indoor air quality, people usually adopt an air purifier for filtering and purifying. The air purifier on the market generally has better purifying effect on PM2.5, but generally does not have the function of purifying VOC and reducing CO 2, and the air purifier with the function of purifying VOC is generally high in price.
Aiming at the technical problems, the invention adopts the water washing unit which comprises the air supply device and the spraying device, wherein the air supply device is used for supplying air into the water washing unit, the spraying device is used for spraying the air supplied by the air supply device, the spraying device can be used for forming a water curtain, a large amount of anions can be generated by the water through the impact of stormwater, the air can be sterilized and purified to a certain extent, and in addition, the safe disinfectant and degerming agent can be added into the water to form charged medicine particles for effectively sterilizing and disinfecting the air. The air passes through the water curtain, the water can absorb VOC, can wash PM2.5, and the negative ions can remove a part of VOC, so that the content of VOC and PM2.5 in the air can be effectively reduced, and substances capable of absorbing VOC and/or PM2.5 can be added into the water to enhance the absorption capacity; since CO 2 is slightly soluble in water, a part of CO 2 can be absorbed by water washing, and alkaline substances can be further added into water to increase the absorption capacity of CO 2, such as sodium carbonate and the like. The indoor VOC, CO 2 and PM2.5 concentration can be effectively controlled through the water washing unit, so that the indoor air quality is effectively improved, high cost is not required, and the household expense is reduced.
In addition, in order to realize automatic adjustment of air quality, at least one sensor can be arranged to detect the real-time concentration of target pollutants in indoor air, wherein the target pollutants comprise at least one of VOC, CO 2 and PM2.5, and then when the real-time concentration of the target pollutants exceeds a corresponding preset threshold value, the water washing unit is started, the air supply device is controlled to supply air into the water washing unit, and the spraying device is controlled to generate a water curtain to spray the supplied air; and when the real-time concentration of the target pollutant is reduced to the target threshold value and/or the spraying time reaches the preset time, the water washing unit can be controlled to stop running. Through the automatic control process, the air quality can be automatically adjusted, the operation of a user is simplified, and the user experience is improved.
Specifically, as shown in fig. 1, the air-conditioning water washing unit 100 includes an air supply device 101 and a spraying device 102, where the air supply device 101 may be a fan, and the spraying device 102 is used to form a water curtain. Optionally, spray set can include the rotating electrical machines and be fixed in the water slinging structure on the rotating electrical machines, and the water slinging structure can be tubular, and inside water is led to, and the pipe lateral wall is opened has the apopore, and when the rotating electrical machines drove the water slinging structure rotatory, the water slinging structure intraductal water slings from the apopore of lateral wall, forms the water curtain, and the washing unit still includes water tank 103 for the water storage. Of course, other ways of spraying water to form a water curtain may be used in this embodiment. In addition, the air conditioner may further be provided with at least one sensor 104 for detecting the real-time concentration of at least one target pollutant in VOC, CO 2, and PM2.5 in the indoor air, where the location of the sensor may not be limited, and of course the sensor may also be a sensor disposed on other devices, and may send the detection result to the air conditioner in real time. When the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, starting the water washing unit, controlling the air supply device to supply air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the supplied air; and when the real-time concentration of the target pollutant is reduced to the target threshold value and/or the spraying time reaches the preset time, controlling the water washing unit to stop running.
The control process of the air conditioner will be explained and illustrated in detail with reference to specific embodiments.
Fig. 2 is a flowchart of a control method of an air conditioner according to an embodiment of the present invention. The embodiment provides a control method of an air conditioner, the air conditioner comprises a washing unit, the washing unit comprises an air supply device and a spraying device, and the method comprises the following specific steps:
s201, receiving the real-time concentration of target pollutants in indoor air detected by a sensor, wherein the target pollutants comprise at least one of VOC, CO 2 and PM 2.5.
In this embodiment, the sensor may be a sensor that is set by the air conditioner itself, and the setting position of the sensor may not be limited, and may be integrated with the air conditioner or may be separately set with the air conditioner; the sensor may be a sensor provided in other devices, and the other devices may send the detection result to the air conditioner in real time. In addition, the sensor can be a multifunctional sensor, can detect VOC, CO 2 and PM2.5 simultaneously, and can be independently arranged for each target pollutant.
And S202, if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, starting the water washing unit, controlling the air supply device to send air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the sent air.
In this embodiment, after the real-time concentration of the target pollutant is received, the real-time concentration of the target pollutant may be compared with a preset threshold corresponding to the real-time concentration, and when the real-time concentration of the target pollutant exceeds the preset threshold corresponding to the real-time concentration, it is indicated that the real-time concentration of the target pollutant exceeds the expected value, and then the operation of the water washing unit is controlled, that is, the air supply device is controlled to supply air into the water washing unit, and the spraying device is controlled to generate the water curtain to spray the supplied air.
It should be noted that, in this embodiment, the preset threshold value of each target pollutant may be a fixed value, or may be set by the user, for example, on a control panel of the air conditioner, or set by a remote controller, a mobile terminal, or the like, that is, the air conditioner may receive a preset threshold value setting instruction sent by the remote controller or the mobile terminal, and set the preset threshold value of each target pollutant according to the setting instruction.
And S203, when the real-time concentration of the target pollutant is reduced to a target threshold value and/or the spraying time reaches a preset time, controlling the water washing unit to stop running.
In this embodiment, the real-time concentration of the target pollutant in the operation process of the water washing unit of the air conditioner is continuously reduced, when the real-time concentration of the target pollutant is reduced to the target threshold value, the water washing unit can be controlled to stop operation, and it is required to control the water washing unit to stop operation when the real-time concentration of each target pollutant is required to be reduced to the corresponding target threshold value if more than two kinds of target pollutant exist and exceeds the corresponding preset threshold value. In addition, the water washing unit can be controlled to stop running when the spraying time reaches the preset time. Or the two can be combined, namely, when the spraying time does not reach the preset time, the real-time concentration of the target pollutant is reduced to the target threshold value, and the water washing unit can be controlled to stop running at the moment; when the spraying time reaches the preset time, the real-time concentration of the target pollutant is not reduced to the target threshold value, and the water washing unit can be controlled to stop running at the moment.
In another alternative embodiment, when the water washing unit is controlled to stop running according to the spraying time, if the real-time concentration of the target pollutant is detected to be increased, or the real-time concentration of another target pollutant exceeds the corresponding preset threshold value, the preset time can be prolonged, or the spraying time can be restarted to be calculated.
In another alternative embodiment, the water washing unit can be controlled to stop running when the water level in the water tank of the water washing unit is detected to be lower than the minimum value; or when the water quality index in the water tank is detected to be lower than the minimum index, the water washing unit can be controlled to stop running.
According to the control method of the air conditioner, the water washing unit is arranged in the air conditioner and comprises the air supply device and the spraying device, and the real-time concentration of target pollutants in indoor air detected by the sensor is received, wherein the target pollutants comprise at least one of VOC, CO 2 and PM 2.5; if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, starting the water washing unit, controlling the air supply device to supply air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the supplied air; and when the real-time concentration of the target pollutant is reduced to the target threshold value and/or the spraying time reaches the preset time, controlling the water washing unit to stop running. The water curtain is formed by the water washing unit of the air conditioner to wash the air, so that the effective control of the concentration of the indoor VOC, the concentration of the CO 2 and the concentration of the PM2.5 can be realized, the indoor air quality is effectively improved, the cost is lower, the high cost is not required, and the household expense is reduced; meanwhile, the air quality can be automatically adjusted by detecting the real-time concentration of the target pollutant, so that the operation of a user is simplified, and the user experience is improved.
As a further improvement of the above embodiment, the target contaminant is a VOC; the method further comprises the steps of:
The real-time concentration of VOCs is modified based on the current humidity conditions of the indoor air.
In this embodiment, considering that the detection value of the existing VOC sensor is greatly affected by humidity, the higher the humidity is, the higher the concentration of the detected VOC in the same environment is, especially the humidity of the indoor air is increased by the water washing unit, so when the water washing unit washes the VOC, there is a high possibility that the real-time concentration of the VOC detected by the VOC sensor is not significantly reduced or even is increased in a period of time, resulting in inaccurate control of the time when the water washing unit stops running; in addition, the timing of starting the washing unit may be inaccurate. Therefore, in this embodiment, the real-time concentration of the VOC needs to be corrected according to the current humidity of the indoor air, so as to accurately control the start-up operation timing and/or stop operation timing of the water washing unit.
In an alternative embodiment, as shown in fig. 3, when the correction is performed on the real-time concentration of VOC, the correction method specifically includes:
s301, receiving a current relative humidity value of indoor air detected by a sensor;
S302, if the current relative humidity value is larger than a preset relative humidity threshold value, acquiring a compensation value according to the current relative humidity value;
and S303, correcting the real-time concentration of the VOC according to the compensation value.
In this embodiment, the current relative humidity value of the indoor air can be detected by the humidity sensor, when the current relative humidity value is greater than the preset relative humidity threshold, the detection value of the VOC sensor is not affected by the humidity, at this time, the compensation value can be obtained according to the current relative humidity value, where the current relative humidity value is different, and the compensation value is also different, in this embodiment, the correspondence between the relative humidity and the compensation value can be obtained in advance, for example, as shown in table 1, if the current relative humidity value RH is at RH 1<RH<RH2, the corresponding compensation value is-a, and then the real-time concentration (VOC detection value) of the detected VOC is corrected, so as to obtain a VOC correction value VOC X =voc-a, and similarly, the compensation value corresponding to RH 2≤RH<RH3 is-b, and the compensation value corresponding to RH 3 is-c, where RH 1<RH2<RH3, and a < b < c is positive because the higher the humidity is.
Table 1:
in another alternative embodiment, as shown in fig. 4, when the correction is performed on the real-time concentration of VOC, the correction method specifically includes:
s401, acquiring a compensation value according to the operation time of the water washing unit;
S402, correcting the real-time concentration of the VOC according to the compensation value.
In this embodiment, if the air conditioner does not integrate the humidity sensor, the real-time concentration of the VOC may be corrected according to the operation duration of the water washing unit, which is approximately considered to be that the longer the operation duration of the water washing unit is, the greater the current humidity of the indoor air is, and further the real-time concentration of the VOC is corrected by adopting the same trend. In this embodiment, the corresponding relationship between the operation duration of the washing unit and the compensation value may be obtained in advance, for example, as shown in table 2, if the operation duration T of the washing unit is T 1<T<t2, the corresponding compensation value is-d, and then the real-time concentration (VOC detection value) of the detected VOC is corrected, so as to obtain the VOC correction value VOC X =voc-d, and similarly, the compensation value corresponding to T 2≤T<t3 is-e, and the compensation value corresponding to T 3 is-f, where T 1<t2<t3 is that the longer the operation duration of the washing unit is, the higher the humidity is, the higher the VOC value drift is, so d < e < f, and d, e, f are all positive values.
Table 2:
In another alternative embodiment, as shown in fig. 5, when the correction is performed on the real-time concentration of VOC, the correction method specifically includes:
S501, acquiring the standard moisture content of indoor air under the standard working condition and the real-time moisture content of the current indoor air;
s502, acquiring a correction coefficient, wherein the correction coefficient is the ratio of the standard moisture content to the real-time moisture content;
S503, obtaining the product of the real-time concentration of the VOC and the correction coefficient, and determining the product as the corrected real-time concentration of the VOC.
In this embodiment, a standard working condition may be set, where the standard working condition may be a working condition under a specific indoor temperature T1 (e.g. 25 ℃) and a specific relative humidity RH1 (e.g. 50%), and the moisture content of the indoor air under the standard working condition may be obtained in advance and recorded as a standard moisture content d1; in addition, the real-time moisture content d2 of the current indoor air can be obtained in real time, the ratio d1/d2 of the standard moisture content and the real-time moisture content is obtained and is used as a correction coefficient, and then the real-time concentration of the VOC is corrected to obtain a VOC correction value VOC X =VOC d1/d2.
Furthermore, the VOC sensor can also integrate a temperature and humidity sensor, and can detect the temperature and the relative humidity while detecting the concentration of VOC.
In this embodiment, when obtaining the standard moisture content of the indoor air under the standard working condition, the moisture content corresponding to the indoor temperature and the relative humidity under the standard working condition may be obtained as the standard moisture content according to the preset moisture content comparison table; or according to the indoor temperature T1 and the relative humidity RH1 under the standard working condition and a preset empirical formula, obtaining the standard moisture content d1 of the indoor air under the standard working condition, wherein the preset empirical formula is as follows:
d1＝0.000564*T1+0.00019*Rh1-0.0142
Similarly, when the real-time moisture content of the current indoor air is obtained, the moisture content corresponding to the current indoor temperature and the relative humidity can be obtained according to a preset moisture content comparison table, and the real-time moisture content of the current indoor air can be determined; or acquiring the real-time moisture content d2 of the current indoor air according to the current indoor temperature T2, the relative humidity RH2 and a preset empirical formula, wherein the preset empirical formula is as follows:
d2＝0.000564*T2+0.00019*Rh2-0.0142
The real-time concentration of the VOC is corrected by the embodiments, so that the real-time concentration of the VOC can be obtained, the starting operation time and/or the stopping operation time of the washing unit can be accurately determined, in addition, the requirement on the accuracy of the VOC sensor can be reduced, and the cost can be effectively reduced.
On the basis of any one of the above embodiments, the method further includes:
If the air conditioner is monitored to enter a sleep mode and the real-time concentration of the target pollutant exceeds a corresponding preset threshold value, controlling the water washing unit to operate in a low air volume mode or controlling the water washing unit not to operate;
Wherein the motors in the air supply device and the spraying device in the low air volume mode run at a preset low rotation speed.
In this embodiment, since the washing unit generates relatively loud noise when operating, it is necessary to consider the night mode or the sleep mode, so that the user's sleep is prevented from being affected by the loud noise generated at night. More specifically, when a user sends a sleep mode setting instruction to the air conditioner through a remote controller or a mobile terminal, or the air conditioner detects that indoor light is darker and lower than a brightness threshold value through a light sensor, or the time reaches a preset time period, the air conditioner can enter the sleep mode, and at the moment, if the concentration of target pollutants exceeds the corresponding preset threshold value, the water washing unit is controlled to operate in a low air volume mode, and motors in the air supply device and the spraying device operate at a preset low rotating speed in the low air volume mode; or the water washing unit can be controlled not to operate. It should be noted that, if the air conditioner is monitored to enter the sleep mode during the operation of the water washing unit, the water washing unit may be controlled to operate in the low air volume mode as well, or the water washing unit may be controlled not to operate.
Fig. 6 is a block diagram of a control device of an air conditioner according to an embodiment of the present invention. The control device of the air conditioner provided in this embodiment may execute the processing flow provided in the control method embodiment of the air conditioner, where the air conditioner includes a washing unit, the washing unit includes an air supply device and a spraying device, and as shown in fig. 6, the control device 600 of the air conditioner includes a receiving module 601 and a control module 602.
A receiving module 601, configured to receive a real-time concentration of a target pollutant in indoor air, where the target pollutant includes at least one of VOC, CO 2, and PM 2.5;
The control module 602 is configured to start the water washing unit if the real-time concentration of the target pollutant exceeds a corresponding preset threshold value, control the air supply device to send air into the water washing unit, and control the spraying device to generate a water curtain to spray the sent air; and when the real-time concentration of the target pollutant is reduced to a target threshold value and/or the spraying time reaches a preset time, controlling the water washing unit to stop running.
In one possible design, the target contaminant is a VOC; the control module 602 is further configured to:
The real-time concentration of VOCs is modified based on the current humidity conditions of the indoor air.
In one possible design, the control module 602, when modifying the real-time concentration of VOCs, is configured to:
receiving a current relative humidity value of indoor air detected by a sensor;
if the current relative humidity value is larger than the preset relative humidity threshold value, acquiring a compensation value according to the current relative humidity value;
And correcting the real-time concentration of the VOC according to the compensation value.
In one possible design, the control module 602, when modifying the real-time concentration of VOCs, is configured to:
Acquiring a compensation value according to the operation time of the water washing unit;
And correcting the real-time concentration of the VOC according to the compensation value.
In one possible design, the control module 602, when modifying the real-time concentration of VOCs, is configured to:
acquiring the standard moisture content of indoor air under a standard working condition and the real-time moisture content of the current indoor air;
Obtaining a correction coefficient, wherein the correction coefficient is the ratio of the standard moisture content to the real-time moisture content;
and obtaining the product of the real-time concentration of the VOC and the correction coefficient, and determining the product as the corrected real-time concentration of the VOC.
In one possible design, the control module 602 is configured to, when acquiring the standard moisture content of the indoor air under the standard operating conditions:
acquiring the moisture content corresponding to the indoor temperature and the relative humidity under the standard working condition according to a preset moisture content comparison table, and determining the moisture content corresponding to the indoor temperature and the relative humidity under the standard working condition as the standard moisture content of the indoor air under the standard working condition; or alternatively
Acquiring the standard moisture content of indoor air under the standard working condition according to the indoor temperature and the relative humidity under the standard working condition and a preset empirical formula;
The control module 602, when acquiring the real-time moisture content of the current indoor air, is configured to:
acquiring the moisture content corresponding to the current indoor temperature and the relative humidity according to a preset moisture content comparison table, and determining the moisture content corresponding to the current indoor temperature and the relative humidity as the real-time moisture content of the current indoor air; or alternatively
And acquiring the real-time moisture content of the current indoor air according to the current indoor temperature and the relative humidity and a preset empirical formula.
In one possible design, the control module 602 is further configured to:
If the air conditioner is monitored to enter a sleep mode and the real-time concentration of the target pollutant exceeds a corresponding preset threshold value, controlling the water washing unit to operate in a low air volume mode or controlling the water washing unit not to operate;
Wherein the motors in the air supply device and the spraying device in the low air volume mode run at a preset low rotation speed.
The control device of the air conditioner provided in the embodiment of the present invention may be specifically used to execute the method embodiments provided in fig. 1 to 3, and specific functions are not described herein.
According to the control device of the air conditioner, the water washing unit is arranged in the air conditioner, the water washing unit comprises the air supply device and the spraying device, and the real-time concentration of target pollutants in indoor air detected by the sensor is received, wherein the target pollutants comprise at least one of VOC, CO 2 and PM 2.5; if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, starting the water washing unit, controlling the air supply device to supply air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the supplied air; and when the real-time concentration of the target pollutant is reduced to the target threshold value and/or the spraying time reaches the preset time, controlling the water washing unit to stop running. The water curtain is formed by the water washing unit of the air conditioner to wash the air, so that the effective control of the concentration of the indoor VOC, the concentration of the CO 2 and the concentration of the PM2.5 can be realized, the indoor air quality is effectively improved, the cost is lower, the high cost is not required, and the household expense is reduced; meanwhile, the air quality can be automatically adjusted by detecting the real-time concentration of the target pollutant, so that the operation of a user is simplified, and the user experience is improved.
Fig. 7 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention. As shown in fig. 7, an air conditioner 70 includes a memory 71, a processor 72, and at least one sensor 73 for detecting a real-time concentration of a target pollutant in indoor air, where the target pollutant includes at least one of VOC, CO 2, and PM 2.5; wherein the memory 71 stores therein a computer program and is configured to execute the control method of the air conditioner described in the above embodiment by the processor 72. In addition, the air conditioner 70 may also have a communication interface 74 for receiving control instructions.
The air conditioner of the embodiment shown in fig. 7 may be used to implement the technical solution of the above method embodiment, and its implementation principle and technical effects are similar, and will not be described herein again.
In addition, the present embodiment also provides a computer-readable storage medium having stored thereon a computer program that is executed by a processor to implement the control method of an air conditioner described in the above embodiments.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in hardware plus software functional units.
The integrated units implemented in the form of software functional units described above may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to perform part of the steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional modules is illustrated, and in practical application, the above-described functional allocation may be performed by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to perform all or part of the functions described above. The specific working process of the above-described device may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the 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 scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. A control method of an air conditioner, the air conditioner comprising a washing unit including an air supply device and a spray device, the method comprising:
Receiving a real-time concentration of a target pollutant in indoor air detected by a sensor, wherein the target pollutant comprises at least one of VOC, CO 2 and PM 2.5;
if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, starting the water washing unit, controlling the air supply device to send air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the sent air;
When the real-time concentration of the target pollutant is reduced to a target threshold value and/or the spraying time reaches a preset time, controlling the water washing unit to stop running;
The target pollutant is VOC; the method further comprises the steps of:
receiving a current relative humidity value of indoor air detected by a sensor;
when the current relative humidity value is larger than a preset relative humidity threshold value, acquiring the standard moisture content of indoor air under the standard working condition and the real-time moisture content of the current indoor air;
Obtaining a correction coefficient, wherein the correction coefficient is the ratio of the standard moisture content to the real-time moisture content;
acquiring the product of the real-time concentration of the VOC and the correction coefficient, and determining the product as the corrected real-time concentration of the VOC;
The method for obtaining the standard moisture content of indoor air under the standard working condition comprises the following steps:
Acquiring the standard moisture content of indoor air under the standard working condition according to the indoor temperature and the relative humidity under the standard working condition and a preset empirical formula; the preset empirical formula is as follows: d1 =0.000564×t1+0.00019×rh1-0.0142, d1 is the standard moisture content of indoor air under standard conditions, T1 is the indoor temperature under standard conditions, rh1 is the relative humidity under standard conditions;
the acquiring the real-time moisture content of the current indoor air comprises the following steps:
Acquiring the real-time moisture content of the current indoor air according to the current indoor temperature and relative humidity and a preset empirical formula; the preset empirical formula is as follows: d2 =0.000564×t2+0.00019×rh2-0.0142, d2 real-time moisture content of current indoor air, T2 is current indoor temperature, rh2 is relative humidity of current indoor air;
If the air conditioner is not integrated with the humidity sensor, acquiring a compensation value according to the operation time of the water washing unit;
And correcting the real-time concentration of the VOC according to the compensation value.
2. The method according to claim 1, wherein the method further comprises:
If the air conditioner is monitored to enter a sleep mode and the real-time concentration of the target pollutant exceeds a corresponding preset threshold value, controlling the water washing unit to operate in a low air volume mode or controlling the water washing unit not to operate;
Wherein the motors in the air supply device and the spraying device in the low air volume mode run at a preset low rotation speed.
3. A control device of an air conditioner, wherein the air conditioner comprises a washing unit, the washing unit comprises an air supply device and a spraying device, and the device comprises:
The receiving module is used for receiving the real-time concentration of target pollutants in the indoor air, which are detected by the sensor, wherein the target pollutants comprise at least one of VOC, CO 2 and PM 2.5;
The control module is used for starting the water washing unit if the real-time concentration of the target pollutant exceeds the corresponding preset threshold value, controlling the air supply device to send air into the water washing unit, and controlling the spraying device to generate a water curtain to spray the sent air; when the real-time concentration of the target pollutant is reduced to a target threshold value and/or the spraying time reaches a preset time, controlling the water washing unit to stop running;
The target pollutant is VOC; the control module is further configured to: receiving a current relative humidity value of indoor air detected by a sensor;
When the current relative humidity value is larger than a preset relative humidity threshold value, a correction coefficient is obtained, wherein the correction coefficient is the ratio of the standard moisture content to the real-time moisture content; acquiring the product of the real-time concentration of the VOC and the correction coefficient, and determining the product as the corrected real-time concentration of the VOC;
When the control module obtains the standard moisture content of indoor air under the standard working condition, the control module is used for: acquiring the standard moisture content of indoor air under the standard working condition according to the indoor temperature and the relative humidity under the standard working condition and a preset empirical formula; the preset empirical formula is as follows: d1 =0.000564×t1+0.00019×rh1-0.0142; the preset empirical formula is as follows: d1 =0.000564×t1+0.00019×rh1-0.0142, d1 is the standard moisture content of indoor air under standard conditions, T1 is the indoor temperature under standard conditions, rh1 is the relative humidity under standard conditions;
The control module is used for acquiring the real-time moisture content of the current indoor air and is used for: acquiring the real-time moisture content of the current indoor air according to the current indoor temperature and relative humidity and a preset empirical formula; the preset empirical formula is as follows: d2 =0.000564×t2+0.00019×rh2-0.0142; the preset empirical formula is as follows: d2 =0.000564×t2+0.00019×rh2-0.0142, d2 real-time moisture content of current indoor air, T2 is current indoor temperature, rh2 is relative humidity of current indoor air;
If the air conditioner is not integrated with the humidity sensor, acquiring a compensation value according to the operation time of the water washing unit;
And correcting the real-time concentration of the VOC according to the compensation value.
4. An air conditioner, comprising:
at least one sensor for detecting a real-time concentration of a target contaminant in indoor air, wherein the target contaminant comprises at least one of VOC, CO 2, PM 2.5;
a memory for storing a computer program;
A processor for running a computer program stored in the memory to implement the method of claim 1 or 2.
5. A computer-readable storage medium, characterized in that a computer program is stored thereon;
the computer program implementing the method of claim 1 or 2 when executed by a processor.
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| CN106288168A (en) * | 2016-08-11 | 2017-01-04 | 合肥通用电源设备有限公司 | A kind of indoor air cleaning system and method |
| CN109268943B (en) * | 2018-09-06 | 2021-04-09 | 广东美的制冷设备有限公司 | Air conditioner, method and apparatus for controlling the same, and computer-readable storage medium |
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| CN110848912A (en) * | 2019-11-29 | 2020-02-28 | 广东美的制冷设备有限公司 | Control method and device of air conditioner, air conditioner and computer readable storage medium |
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