CN114636229B - Air conditioner, control method thereof and computer readable storage medium - Google Patents
Air conditioner, control method thereof and computer readable storage medium Download PDFInfo
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- CN114636229B CN114636229B CN202011491923.3A CN202011491923A CN114636229B CN 114636229 B CN114636229 B CN 114636229B CN 202011491923 A CN202011491923 A CN 202011491923A CN 114636229 B CN114636229 B CN 114636229B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000008859 change Effects 0.000 claims abstract description 34
- 230000005494 condensation Effects 0.000 abstract description 22
- 238000009833 condensation Methods 0.000 abstract description 22
- 230000006870 function Effects 0.000 description 12
- 230000009467 reduction Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000001580 bacterial effect Effects 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
- 230000001960 triggered effect Effects 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
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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
-
- 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
-
- 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
- F24F11/77—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 by controlling the speed of ventilators
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- 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
Abstract
The invention discloses a control method of an air conditioner, which comprises a fresh air pipeline, a fresh air fan, a humidity sensor for detecting the fresh air humidity of the fresh air in the fresh air pipeline and a temperature sensor for detecting the fresh air temperature of the fresh air in the fresh air pipeline, wherein the control method of the air conditioner comprises the following steps: the air conditioner runs in a fresh air mode; and adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity, wherein the fresh air temperature and the change trend of the wind speed are the same, and the fresh air humidity and the change trend of the wind speed are opposite. The invention also discloses an air conditioner and a computer readable storage medium. The invention avoids condensation and frosting of the fresh air filter screen and ensures the service life of the fresh air filter screen.
Description
Technical Field
The present invention relates to the field of air conditioners, and more particularly, to an air conditioner, a control method thereof, and a computer readable storage medium.
Background
In daily life, when indoor air cannot be effectively exchanged with outdoor air for a long time, bacterial viruses are easy to breed, so that the physical health of a user is affected.
The air conditioner can introduce fresh air into the room through the fresh air function. However, under the working condition of low outdoor temperature, the fresh air filter screen can be frosted, and the service life of the fresh air filter screen is shortened.
Disclosure of Invention
The invention mainly aims to provide an air conditioner, a control method thereof and a computer readable storage medium, and aims to solve the problem that a fresh air filter screen is short in service life.
In order to achieve the above object, the present invention provides a control method of an air conditioner, the air conditioner includes a fresh air duct, a fresh air fan, a humidity sensor for detecting the humidity of fresh air in the fresh air duct, and a temperature sensor for detecting the temperature of fresh air in the fresh air duct, the control method of the air conditioner includes the following steps:
the air conditioner runs in a fresh air mode;
and adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity, wherein the fresh air temperature and the change trend of the wind speed are the same, and the fresh air humidity and the change trend of the wind speed are opposite.
In an embodiment, the step of adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity comprises:
comparing the fresh air temperature with a preset temperature;
when the fresh air temperature is smaller than the preset temperature, comparing the fresh air humidity with the preset humidity to obtain a comparison result;
and adjusting the wind speed of the fresh air fan according to the comparison result.
In an embodiment, the step of adjusting the wind speed of the fresh air fan according to the comparison result includes:
when the fresh air humidity is greater than the preset humidity, controlling the fresh air fan to operate according to the first windshield, wherein the comparison result is that the fresh air humidity is greater than the preset humidity;
when the fresh air humidity is smaller than or equal to the preset humidity, the fresh air fan is controlled to operate according to the preset windshield, the wind speed corresponding to the preset windshield is smaller than the wind speed corresponding to the first windshield, and the comparison result is that the fresh air humidity is larger than the preset humidity.
In an embodiment, after the step of controlling the fresh air fan to operate according to the first windshield, the method further includes:
acquiring fresh air humidity after a first preset time interval;
when the fresh air humidity is greater than the preset humidity, the fresh air fan is controlled to operate according to a second windshield, and the wind speed corresponding to the second windshield is smaller than the wind speed corresponding to the first windshield.
In an embodiment, the step of adjusting the wind speed of the fresh air fan according to the comparison result includes:
when the fresh air humidity is greater than a preset humidity, reducing the fresh air speed, wherein the comparison result is that the fresh air humidity is greater than the preset humidity;
obtaining fresh air humidity after a second preset time interval, and returning to the step of comparing the fresh air humidity with the preset humidity to obtain a comparison result until the wind speed of the fresh air fan is reduced to a preset wind speed;
and when the wind speed of the fresh air fan is reduced to a preset wind speed, exiting the fresh air mode.
In an embodiment, the step of adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity includes:
comparing the fresh air temperature with a preset temperature, and comparing the fresh air humidity with a preset humidity;
when the fresh air temperature is smaller than a preset temperature and the fresh air humidity is larger than the preset humidity, reducing the wind speed of the fresh air fan or controlling the fresh air fan to operate according to a first windshield;
when the fresh air humidity is smaller than or equal to the preset humidity, the fresh air fan is controlled to operate according to a preset windshield, and the wind speed corresponding to the preset windshield is larger than the wind speed corresponding to the first windshield.
In an embodiment, after the step of reducing the wind speed of the fresh air fan or controlling the fresh air fan to operate according to the first windshield, the method further includes:
acquiring fresh air humidity after a third preset time interval;
when the fresh air humidity is greater than the preset humidity, the fresh air fan is controlled to operate according to a second windshield, and the wind speed corresponding to the second windshield is smaller than the wind speed corresponding to the first windshield.
In an embodiment, the step of adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity includes:
acquiring a fresh air dew point temperature according to the fresh air temperature and the fresh air humidity;
determining a target dew point temperature according to the preset temperature and the preset humidity;
and adjusting the wind speed of the fresh air fan according to the fresh air dew point temperature and the target dew point temperature.
In an embodiment, the step of adjusting the wind speed of the fresh air fan according to the fresh air dew point temperature and the target dew point temperature includes:
and when the fresh air dew point temperature is smaller than the target dew point temperature, reducing the wind speed of the fresh air fan.
In order to achieve the above object, the present invention provides an air conditioner, which comprises a fresh air duct, a fresh air fan, a humidity sensor for detecting the humidity of fresh air in the fresh air duct, and a temperature sensor for detecting the temperature of fresh air in the fresh air duct; the air conditioner further comprises a memory, a processor and a control program which is stored in the memory and can run on the processor, and the humidity sensor and the temperature sensor are connected with the processor. The control program, when executed by the processor, implements the steps of the control method of the air conditioner as described above.
In order to achieve the above object, the present invention provides a computer-readable storage medium storing a control program which, when executed by a processor, implements the respective steps of the control method of an air conditioner as described above.
The invention provides an air conditioner, a control method thereof and a computer readable storage medium, wherein the air conditioner comprises a fresh air pipeline, a fresh air fan, a humidity sensor for detecting the fresh air humidity of the fresh air in the fresh air pipeline and a temperature sensor for detecting the fresh air humidity of the fresh air in the fresh air pipeline, after the air conditioner operates in a fresh air mode, the fresh air temperature detected by the temperature sensor and the fresh air humidity detected by the humidity sensor are obtained, the wind speed of the fresh air fan is adjusted according to the fresh air temperature and the fresh air humidity, the fresh air temperature is the same as the change trend of the wind speed, and the fresh air humidity is opposite to the change trend of the wind speed. Because the change trend of the wind speed of the fresh air fan is the same as the change trend of the fresh air temperature and opposite to the change trend of the fresh air humidity when the air conditioner operates in the fresh air mode, the fresh air fan is controlled to operate at a smaller wind speed under the conditions of smaller fresh air temperature and larger fresh air humidity, the condensation and frosting of the fresh air filter screen in the fresh air pipeline are avoided, and the service life of the fresh air filter screen is ensured. In addition, the air conditioner can determine whether the fresh air filter screen in the fresh air pipeline has frosting risk through fresh air temperature and fresh air temperature, and the indoor temperature and indoor humidity are not required to be combined for judgment, so that the condensation risk judgment cost of the air conditioner is lower.
Drawings
Fig. 1 is a schematic diagram of a hardware architecture 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 a first embodiment of the present invention;
fig. 3 is a schematic diagram of a refinement flow of step S20 in a second embodiment of a control method of an air conditioner according to the present invention;
fig. 4 is a schematic diagram of a refinement flow of step S20 in a third embodiment of a control method of an air conditioner according to the present invention;
fig. 5 is a schematic diagram of a refinement flow of step S20 in a fourth embodiment of a control method of an air conditioner according to the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The main solutions of the embodiments of the present invention are: the air conditioner runs in a fresh air mode; and adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity, wherein the fresh air temperature and the change trend of the wind speed are the same, and the fresh air humidity and the change trend of the wind speed are opposite.
Because the change trend of the wind speed of the fresh air fan is the same as the change trend of the fresh air temperature and opposite to the change trend of the fresh air humidity when the air conditioner operates in the fresh air mode, the fresh air fan is controlled to operate at a smaller wind speed under the conditions of smaller fresh air temperature and larger fresh air humidity, the condensation and frosting of the fresh air filter screen in the fresh air pipeline are avoided, and the service life of the fresh air filter screen is ensured. In addition, the air conditioner can determine whether the fresh air filter screen in the fresh air pipeline has frosting risk through fresh air temperature and fresh air temperature, and the indoor temperature and indoor humidity are not required to be combined for judgment, so that the condensation risk judgment cost of the air conditioner is lower.
As shown in fig. 1, fig. 1 is a schematic diagram of a hardware architecture of an air conditioner according to an embodiment of the present invention.
The terminal related to the embodiment of the invention can be an air conditioner, and the air conditioner comprises: a processor 101, such as a CPU, a memory 102, a communication bus 103, and a fresh air fan 104. Wherein the communication bus 103 is used to enable connected communication among the components.
The memory 102 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as a disk memory. As shown in fig. 1, a control program may be included in the memory 103 as one type of computer storage medium; and the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
the air conditioner runs in a fresh air mode;
and adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity, wherein the fresh air temperature and the change trend of the wind speed are the same, and the fresh air humidity and the change trend of the wind speed are opposite.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
comparing the fresh air temperature with a preset temperature;
when the fresh air temperature is smaller than the preset temperature, comparing the fresh air humidity with the preset humidity to obtain a comparison result;
and adjusting the wind speed of the fresh air fan according to the comparison result.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
when the fresh air humidity is greater than the preset humidity, controlling the fresh air fan to operate according to the first windshield, wherein the comparison result is that the fresh air humidity is greater than the preset humidity;
when the fresh air humidity is smaller than or equal to the preset humidity, the fresh air fan is controlled to operate according to the preset windshield, the wind speed corresponding to the preset windshield is smaller than the wind speed corresponding to the first windshield, and the comparison result is that the fresh air humidity is larger than the preset humidity.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
acquiring fresh air humidity after a first preset time interval;
when the fresh air humidity is greater than the preset humidity, the fresh air fan is controlled to operate according to a second windshield, and the wind speed corresponding to the second windshield is smaller than the wind speed corresponding to the first windshield.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
when the fresh air humidity is greater than a preset humidity, reducing the fresh air speed, wherein the comparison result is that the fresh air humidity is greater than the preset humidity;
obtaining fresh air humidity after a second preset time interval, and returning to the step of comparing the fresh air humidity with the preset humidity to obtain a comparison result until the wind speed of the fresh air fan is reduced to a preset wind speed;
and when the wind speed of the fresh air fan is reduced to a preset wind speed, exiting the fresh air mode.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
comparing the fresh air temperature with a preset temperature, and comparing the fresh air humidity with a preset humidity;
when the fresh air temperature is smaller than a preset temperature and the fresh air humidity is larger than the preset humidity, reducing the wind speed of the fresh air fan or controlling the fresh air fan to operate according to a first windshield;
when the fresh air humidity is smaller than or equal to the preset humidity, the fresh air fan is controlled to operate according to a preset windshield, and the wind speed corresponding to the preset windshield is larger than the wind speed corresponding to the first windshield.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
acquiring fresh air humidity after a third preset time interval;
when the fresh air humidity is greater than the preset humidity, the fresh air fan is controlled to operate according to a second windshield, and the wind speed corresponding to the second windshield is smaller than the wind speed corresponding to the first windshield.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
acquiring a fresh air dew point temperature according to the fresh air temperature and the fresh air humidity;
determining a target dew point temperature according to the preset temperature and the preset humidity;
and adjusting the wind speed of the fresh air fan according to the fresh air dew point temperature and the target dew point temperature.
In one embodiment, the processor 101 may be configured to call a control program stored in the memory 102 and perform the following operations:
and when the fresh air dew point temperature is smaller than the target dew point temperature, reducing the wind speed of the fresh air fan.
According to the scheme, the air conditioner comprises a fresh air pipeline, a fresh air fan, a humidity sensor for detecting fresh air humidity of fresh air in the fresh air pipeline and a temperature sensor for detecting fresh air humidity of fresh air in the fresh air pipeline, after the air conditioner operates in a fresh air mode, the fresh air temperature detected by the temperature sensor and the fresh air humidity detected by the humidity sensor are obtained, the wind speed of the fresh air fan is adjusted according to the fresh air temperature and the fresh air humidity, the fresh air temperature is the same as the change trend of the wind speed, and the fresh air humidity is opposite to the change trend of the wind speed. Because the change trend of the wind speed of the fresh air fan is the same as the change trend of the fresh air temperature and opposite to the change trend of the fresh air humidity when the air conditioner operates in the fresh air mode, the fresh air fan is controlled to operate at a smaller wind speed under the conditions of smaller fresh air temperature and larger fresh air humidity, the condensation and frosting of the fresh air filter screen in the fresh air pipeline are avoided, and the service life of the fresh air filter screen is ensured. In addition, the air conditioner can determine whether the fresh air filter screen in the fresh air pipeline has frosting risk through fresh air temperature and fresh air temperature, and the indoor temperature and indoor humidity are not required to be combined for judgment, so that the condensation risk judgment cost of the air conditioner is lower.
Based on the hardware architecture of the air conditioner, the embodiment of the control method of the air conditioner is provided.
Referring to fig. 2, fig. 2 is a first embodiment of a control method of an air conditioner according to the present invention, the control method of the air conditioner includes the steps of:
step S10, the air conditioner operates in a fresh air mode;
in this embodiment, the air conditioner is provided with a fresh air duct, and a fresh air fan and a fresh air filter screen are arranged in the fresh air duct. A humidity sensor and a temperature sensor are arranged between the air inlet of the fresh air pipeline and the fresh air filter screen. The humidity sensor is used for detecting the fresh air humidity of the fresh air, and the temperature sensor is used for detecting the fresh air temperature of the fresh air. The fresh air fan is located between the fresh air filter screen and the air outlet of the fresh air pipeline. The fresh air function of the air conditioner is independent of other functions of the air conditioner, namely, the air conditioner can independently start the fresh air function, and can simultaneously start the fresh air function and other functions, such as heating function or heating function. The air conditioner is provided with a button with a fresh air function, and after the button is pressed, the air conditioner starts the fresh air function, namely, the air conditioner enters a fresh air mode. Of course, the fresh air function of the air conditioner can be triggered by a key on the remote controller, a virtual key of the air conditioner or a virtual key on a control interface on the terminal. After the air conditioner enters the fresh air function, the fresh air fan can run at a default wind speed, and can also run according to the wind speed set by a user.
And S20, adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity, wherein the fresh air temperature and the change trend of the wind speed are the same, and the fresh air humidity and the change trend of the wind speed are opposite.
After the air conditioner obtains the fresh air temperature and the fresh air humidity, the air speed of the fresh air fan can be adjusted according to the fresh air temperature and the fresh air humidity. The air conditioner adjusts the wind speed of the fresh air fan to follow two rules, wherein the first rule is that the change trend of the fresh air temperature is the same as the change trend of the wind speed, namely, the lower the fresh air temperature is, the lower the wind speed is; the second rule is that the change trend of the fresh air humidity is opposite to the change trend of the wind speed, namely, the larger the fresh air humidity is, the smaller the wind speed is. And the air conditioner can determine the wind speed of the fresh air fan according to the mapping relation fresh air temperature and the fresh air humidity, thereby controlling the fresh air coat to run at the determined wind speed.
In the technical scheme that this embodiment provided, the air conditioner includes new trend pipeline, new trend fan, be used for detecting the new trend humidity's of new trend in the new trend pipeline humidity sensor and be used for detecting the new trend humidity's of new trend in the new trend pipeline temperature sensor, after the air conditioner operation new trend mode, acquire the new trend humidity that temperature sensor detected new trend temperature and humidity sensor detected to according to new trend temperature and new trend humidity adjustment new trend fan wind speed, new trend temperature is the same with the trend of change of wind speed, and new trend humidity is opposite with the trend of change of wind speed. Because the change trend of the wind speed of the fresh air fan is the same as the change trend of the fresh air temperature and opposite to the change trend of the fresh air humidity when the air conditioner operates in the fresh air mode, the fresh air fan is controlled to operate at a smaller wind speed under the conditions of smaller fresh air temperature and larger fresh air humidity, the condensation and frosting of the fresh air filter screen in the fresh air pipeline are avoided, and the service life of the fresh air filter screen is ensured. In addition, the air conditioner can determine whether the fresh air filter screen in the fresh air pipeline has frosting risk through fresh air temperature and fresh air temperature, and the indoor temperature and indoor humidity are not required to be combined for judgment, so that the condensation risk judgment cost of the air conditioner is lower.
Referring to fig. 3, fig. 3 is a second embodiment of a control method of an air conditioner according to the present invention, based on the first embodiment, the step S20 includes:
s21, comparing the fresh air temperature with a preset temperature;
s22, comparing the fresh air humidity with the preset humidity to obtain a comparison result when the fresh air temperature is smaller than the preset temperature;
and S23, adjusting the wind speed of the fresh air fan according to the comparison result.
In this embodiment, the temperature of the fresh air filter screen condensation frosting first needs to be lower, if the temperature is lower, whether the fresh air filter screen has the risk of condensation frosting needs to be further determined according to the humidity of the fresh air. In this way, the air conditioner firstly acquires the temperature sensor to detect the fresh air temperature and the preset temperature, and compares the fresh air temperature with the preset temperature. The air conditioner is provided with a preset temperature, the preset temperature is the set temperature of the fresh air condensation prevention, the preset temperature can be any proper value, for example, the preset temperature can be a value in a range of 0-5 ℃.
If the fresh air temperature is smaller than the preset temperature, the humidity sensor is controlled to detect the fresh air humidity, and the air conditioner obtains a comparison result by comparing the fresh air humidity with the preset humidity. The preset humidity is the set humidity of the fresh air condensation prevention, and can be any suitable value, for example, the preset humidity can be a value in 75% -90%. If the fresh air temperature is greater than or equal to the preset temperature, the fresh air humidity and the preset humidity are not required to be compared.
And the air conditioner adjusts the air speed of the fresh air fan according to the comparison result. Specifically, when the comparison result shows that the fresh air humidity is greater than the preset humidity, the fresh air fan is controlled to operate according to the first windshield. The first windshield is a fresh air condensation preventing first windshield, and the set range of the wind speed of the fresh air condensation preventing first windshield can be 800-1000 rpm. When the fresh air humidity is less than or equal to the preset humidity, the fresh air fan is controlled to operate according to the preset windshield. The preset windshield may be a windshield set by a user.
Further, after the fresh air fan runs for a first preset time according to the first windshield, the air conditioner acquires fresh air humidity again, and if the fresh air humidity is larger than the preset humidity, the fresh air fan is controlled to run according to the second windshield. The first preset time may be any suitable value, for example, the first preset time may be 30 minutes. The second windshield is a fresh air condensation preventing second windshield, the set range of the wind speed of the fresh air condensation preventing second windshield can be 500-800 rpm, and the wind speed corresponding to the second windshield is smaller than the wind speed corresponding to the first windshield. And after the fresh air fan operates according to the second windshield, acquiring fresh air humidity again at intervals of preset time, wherein the preset time can be 2 hours, and if the fresh air humidity is greater than the preset humidity, operating according to the third windshield.
It should be noted that, in this embodiment, the first windshield and the second windshield are different from the windshield on the fresh air fan, and only the air conditioner operates in the fresh air mode and has a condensation risk, the fresh air fan may operate the first windshield and the second windshield, and the fresh air fan is not limited to the first windshield and the second windshield, and may include a third windshield smaller than the second windshield.
In the technical scheme provided by the embodiment, after the air conditioner runs in the fresh air mode, the fresh air temperature and the preset temperature are compared, if the fresh air temperature is smaller than the preset temperature, the comparison result is obtained by comparing the fresh air humidity and the preset humidity, so that the wind speed of the fresh air fan is adjusted according to the comparison result, and when the fresh air temperature is larger than or equal to the preset temperature, the comparison of the fresh air humidity and the preset humidity is not needed, and the calculation resources of the air conditioner are saved.
In one embodiment, the step S23 includes:
when the fresh air humidity is greater than a preset humidity, reducing the fresh air speed, wherein the comparison result is that the fresh air humidity is greater than the preset humidity;
obtaining fresh air humidity after a second preset time interval, and returning to the step of comparing the fresh air humidity with the preset humidity to obtain a comparison result until the wind speed of the fresh air fan is reduced to a preset wind speed;
and when the wind speed of the fresh air fan is reduced to a preset wind speed, exiting the fresh air mode.
In this embodiment, when the comparison result is that the fresh air humidity is greater than the preset humidity, the fresh air filter screen has the risk of condensation and frosting, and the air conditioner can reduce the rotating speed of the fresh air fan. The manner of lowering may be to lower in the current wind speed gear. For example, the wind speed gear of the fresh air fan is a strong windshield, and after the fresh air fan is lowered by one gear, the wind speed gear of the fresh air fan is a high windshield. Of course, the fresh air fan can also adopt a fixed wind speed decrement value to reduce the wind speed of the fresh air fan.
And the air conditioner acquires the fresh air humidity at intervals of a second preset time, so that the step of comparing the fresh air humidity with the preset humidity to obtain a comparison result is performed. The second preset time may be any suitable value, for example, the second preset time may be 30 minutes. If the fresh air humidity is still greater than the preset humidity, the wind speed of the fresh air fan is reduced again. And circulating in this way until the wind speed of the fresh air fan is reduced to the preset wind speed. The preset wind speed can be a smaller wind speed, and the fresh air quantity in the fresh air mode is smaller at the smaller wind speed. If the wind speed of the fresh air fan is reduced to the preset wind speed, the fresh air mode is exited.
Referring to fig. 4, fig. 4 is a third embodiment of the control method of the air conditioner according to the present invention, based on the first embodiment, the step S20 includes:
step S24, comparing the fresh air temperature with a preset temperature, and comparing the fresh air humidity with a preset humidity;
step S25, when the fresh air temperature is smaller than the preset temperature and the fresh air humidity is larger than the preset humidity, reducing the wind speed of the fresh air fan or controlling the fresh air fan to operate according to a first windshield;
and S26, controlling the fresh air fan to operate according to a preset windshield when the fresh air humidity is smaller than or equal to the preset humidity, wherein the wind speed corresponding to the preset windshield is larger than the wind speed corresponding to the first windshield.
In this embodiment, the air conditioner acquires the fresh air temperature and the fresh air humidity at the same time, and compares the fresh air temperature with a preset temperature, and the fresh air humidity with a preset humidity. If the fresh air temperature is smaller than the preset temperature and the fresh air humidity is larger than the preset humidity, the wind speed of the fresh air fan is reduced or the fresh air fan can be controlled to operate according to the first windshield. The specific flow of reducing the rotation speed of the fresh air fan and the operation of the fresh air fan according to the first windshield refers to the above description, and will not be described in detail here. Further, the wind speed of the fresh air fan is reduced or the fresh air fan is controlled to operate according to the first windshield, the fresh air humidity is obtained after a third preset time interval, and if the fresh air humidity is larger than the preset humidity, the fresh air fan is controlled to operate according to the second windshield. The third preset time may be any suitable value, for example, the third preset time may be 30 minutes.
If the fresh air humidity is smaller than the preset humidity, the fresh air is controlled to run in a classified mode according to the preset windshields, and the wind speed of the preset windshields is larger than the wind speed corresponding to the first windshields. The preset windshield may be a windshield set by a user.
In the technical scheme provided by the embodiment, after the air conditioner operates in the fresh air mode, comparing the fresh air temperature with the preset temperature and comparing the fresh air humidity with the preset humidity, if the fresh air temperature is smaller than the preset temperature and the fresh air humidity is larger than the preset humidity, reducing the wind speed of the fresh air fan or controlling the fresh air fan to operate according to the first windshield; and if the fresh air humidity is less than or equal to the preset humidity, controlling the fresh air fan to operate according to the preset windshield.
Referring to fig. 5, fig. 5 is a fourth embodiment of a control method of an air conditioner according to the present invention, based on the first embodiment, the step S20 includes:
step S27, obtaining a fresh air dew point temperature according to the fresh air temperature and the fresh air humidity;
step S28, determining a target dew point temperature according to a preset temperature and a preset humidity;
and S29, adjusting the wind speed of the fresh air fan according to the fresh air dew point temperature and the target dew point temperature.
In this embodiment, the air conditioner calculates the fresh air dew point temperature according to the fresh air temperature and the fresh air humidity, and reduces the wind speed of the fresh air blower according to the fresh air dew point temperature. The dew point temperature of the fresh air is the critical temperature of the condensation of the moisture in the fresh air. And the air conditioner determines a target dew point temperature according to the preset temperature and the preset humidity, and adjusts the wind speed of the fresh air fan according to the target dew point temperature and the fresh air dew point temperature.
Specifically, the air conditioner firstly judges whether the fresh air dew point temperature is higher than the target dew point temperature, and if the fresh air dew point temperature is lower than or equal to the target dew point temperature, the fresh air filter screen has the risk of condensation and frosting. The air conditioner determines the difference between the target dew point temperature and the fresh air dew point temperature, and the larger the difference is, the larger the moisture generated by condensation is, so that the smaller the fresh air intake is required, namely the larger the difference is, the larger the wind speed reduction value of the fresh air fan is. The air conditioner stores a mapping relation between the difference value and the wind speed reduction value, and after the air conditioner obtains the difference value, the wind speed reduction value of the fresh air fan can be determined according to the difference value and the mapping relation, and then the wind speed of the fresh air fan is reduced through the wind speed reduction value. If the fresh air dew point temperature is greater than the target dew point temperature, the current wind speed is maintained unchanged.
In this embodiment, the air conditioner determines the fresh air dew point temperature according to the fresh air temperature and the fresh air humidity, and determines the target dew point temperature according to the preset humidity and the preset temperature, so as to adjust the wind speed of the fresh air fan according to the fresh air dew point temperature and the target dew point temperature.
In an embodiment, the air conditioner may obtain a target difference value, and reduce the wind speed of the fresh air fan by the target difference value. The target difference value comprises at least one of a temperature difference value and a humidity difference value, wherein the temperature difference value is a difference value between a preset temperature and a fresh air temperature, and the humidity difference value is a difference value between the fresh air humidity and the preset humidity. The air conditioner stores a target difference value, the current wind speed of the fresh air fan and a wind speed reduction value. Under the condition that the target difference value is certain, the current wind speed of the fresh air fan is larger, and the wind speed reduction value is larger; under the condition that the current wind speed of the fresh air fan is certain, the larger the target difference value is, the larger the risk reduction value is, namely, the larger the target difference value is, and under the condition that the current wind speed is larger, the larger the wind speed reduction value is. The air conditioner can determine the wind speed decrement value according to the target difference value, so that the wind speed of the fresh air fan is reduced according to the wind speed decrement value.
In the technical scheme provided by the implementation, the air conditioner can accurately reduce the wind speed of the fresh air fan according to at least one of the fresh air temperature and the fresh air humidity.
In one embodiment, the air conditioner may automatically enter a fresh air mode. Specifically, a detection module for air parameter values is arranged in the air conditioner. The detection module may be a sensor for detecting the concentration of particulate matter, may be a sensor for detecting the concentration of carbon dioxide, or may be a sensor for detecting the concentration of harmful gas. The air conditioner obtains indoor air parameter value through the detection module, if the air parameter value is larger than the preset parameter value, the air parameter value can be determined to meet the fresh air starting condition, and the air conditioner can start the fresh air fan to operate the fresh air mode. For example, a fresh air fan can be started to operate in a fresh air mode when the carbon dioxide concentration is too high, the particulate matter concentration is too high, or the harmful gas concentration is too high.
In this embodiment, the air conditioner may automatically enter the fresh air mode according to the detected air parameter value, so as to avoid the user being in an environment with poor air quality, thereby ensuring the physical health of the user.
The invention also provides an air conditioner, which further comprises a memory, a processor and a control program stored in the memory and capable of running on the processor, wherein the control program realizes the steps of the control method of the air conditioner according to the embodiment when being executed by the processor.
The present invention also provides a computer-readable storage medium storing a control program which, when executed by a processor, implements the steps of the control method of an air conditioner as described above.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above, comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air-conditioning device, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The foregoing description of the preferred embodiments of the present invention should not be taken as limiting the scope of the invention, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the following description and drawings.
Claims (5)
1. The control method of the air conditioner is characterized by comprising a fresh air pipeline, a fresh air fan, a humidity sensor for detecting the fresh air humidity of the fresh air in the fresh air pipeline and a temperature sensor for detecting the fresh air temperature of the fresh air in the fresh air pipeline, and comprises the following steps of:
the air conditioner runs in a fresh air mode;
the method comprises the steps of adjusting the wind speed of a fresh air fan according to the fresh air temperature and the fresh air humidity, wherein the fresh air temperature and the wind speed change trend are the same, and the fresh air humidity and the wind speed change trend are opposite;
the step of adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity comprises the following steps:
comparing the fresh air temperature with a preset temperature;
when the fresh air temperature is smaller than the preset temperature, comparing the fresh air humidity with the preset humidity to obtain a comparison result;
adjusting the wind speed of the fresh air fan according to the comparison result;
the step of adjusting the wind speed of the fresh air fan according to the comparison result comprises the following steps:
when the fresh air humidity is greater than the preset humidity, controlling the fresh air fan to operate according to a first windshield, acquiring the fresh air humidity after a first preset time interval, and when the fresh air humidity is greater than the preset humidity, controlling the fresh air fan to operate according to a second windshield, wherein the wind speed corresponding to the second windshield is smaller than the wind speed corresponding to the first windshield, and the comparison result is that the fresh air humidity is greater than the preset humidity;
when the fresh air humidity is smaller than or equal to the preset humidity, the fresh air fan is controlled to operate according to the preset windshields, the wind speed corresponding to the preset windshields is larger than the wind speed corresponding to the first windshields, and the comparison result is that the fresh air humidity is smaller than the preset humidity.
2. The method for controlling an air conditioner as set forth in claim 1, wherein the step of adjusting the wind speed of the fresh air fan according to the comparison result comprises:
when the fresh air humidity is greater than a preset humidity, reducing the fresh air speed, wherein the comparison result is that the fresh air humidity is greater than the preset humidity;
obtaining fresh air humidity after a second preset time interval, and returning to the step of comparing the fresh air humidity with the preset humidity to obtain a comparison result until the wind speed of the fresh air fan is reduced to a preset wind speed;
and when the wind speed of the fresh air fan is reduced to a preset wind speed, exiting the fresh air mode.
3. The method of controlling an air conditioner as set forth in claim 1, wherein the step of adjusting the wind speed of the fresh air fan according to the fresh air temperature and the fresh air humidity comprises:
comparing the fresh air temperature with a preset temperature, and comparing the fresh air humidity with a preset humidity;
when the fresh air temperature is smaller than a preset temperature and the fresh air humidity is larger than the preset humidity, reducing the wind speed of the fresh air fan or controlling the fresh air fan to operate according to a first windshield;
when the fresh air humidity is smaller than or equal to preset humidity, controlling the fresh air fan to operate according to a preset windshield, wherein the wind speed corresponding to the preset windshield is larger than the wind speed corresponding to the first windshield;
after the step of reducing the wind speed of the fresh air fan or controlling the fresh air fan to operate according to the first windshield, the method further comprises the following steps:
acquiring fresh air humidity after a third preset time interval;
when the fresh air humidity is greater than the preset humidity, the fresh air fan is controlled to operate according to a second windshield, and the wind speed corresponding to the second windshield is smaller than the wind speed corresponding to the first windshield.
4. The air conditioner is characterized by comprising a fresh air pipeline, a fresh air fan, a humidity sensor for detecting fresh air humidity of fresh air in the fresh air pipeline and a temperature sensor for detecting fresh air temperature of the fresh air in the fresh air pipeline; the air conditioner further comprises a memory, a processor and a control program stored in the memory and capable of running on the processor, wherein the humidity sensor and the temperature sensor are connected with the processor, and the control program realizes the steps of the control method of the air conditioner according to any one of claims 1-3 when being executed by the processor.
5. A computer-readable storage medium storing a control program which, when executed by a processor, implements the respective steps of the control method of an air conditioner according to any one of claims 1 to 3.
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