CN113639400A - Air conditioner, fresh air control method and device - Google Patents
Air conditioner, fresh air control method and device Download PDFInfo
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- CN113639400A CN113639400A CN202110983839.1A CN202110983839A CN113639400A CN 113639400 A CN113639400 A CN 113639400A CN 202110983839 A CN202110983839 A CN 202110983839A CN 113639400 A CN113639400 A CN 113639400A
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- air
- carbon dioxide
- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
-
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner, a fresh air control method and a fresh air control device, and relates to the technical field of air conditioners. This air conditioner includes controller, new trend system and carbon dioxide detector, and the controller is connected with new trend system and carbon dioxide detector electricity respectively, and the carbon dioxide detector is used for detecting indoor carbon dioxide concentration, and the controller is used for controlling the new trend system and opens under the condition that the carbon dioxide concentration that the carbon dioxide detector detected is greater than or equal to first default to introduce indoor with outdoor air. The air conditioner provided by the invention can automatically improve the indoor air quality and improve the user experience.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner, a fresh air control method and a fresh air control device.
Background
At present, air conditioners on the market are controlled by user instructions to enter a fresh air mode in an operating state, so that outdoor fresh air is introduced into a room.
In practical application, the air conditioner cannot improve indoor air quality in time, and user experience is poor.
Disclosure of Invention
The invention solves the problem that the existing air conditioner can not improve the indoor air quality in time.
In order to solve the above problems, the present invention provides an air conditioner, which can automatically improve indoor air quality and enhance user experience.
The air conditioner provided by the embodiment of the invention comprises a controller, a fresh air system and a carbon dioxide detector, wherein the controller is respectively electrically connected with the fresh air system and the carbon dioxide detector, the carbon dioxide detector is used for detecting the indoor carbon dioxide concentration, and the controller is used for controlling the fresh air system to be started to introduce outdoor air into a room under the condition that the carbon dioxide concentration detected by the carbon dioxide detector is greater than or equal to a first preset value.
In practical application, the carbon dioxide detector monitors the indoor carbon dioxide concentration in real time, the detection result is fed back to the controller in real time, and the controller controls the fresh air system to be started under the condition that the indoor carbon dioxide concentration is greater than or equal to the first preset value, so that outdoor fresh air is automatically introduced. The air conditioner that this embodiment provided opens according to the automation of indoor carbon dioxide concentration control new trend system, has realized the automatic regulation and control to indoor air quality, prevents that carbon dioxide concentration is too high and influence user experience.
In an optional implementation manner, the air conditioner further includes an air purification device, the air purification device is disposed at an air inlet end of the air conditioner, the controller is electrically connected to the air purification device, and the controller is further configured to control the air purification device to be turned on when the concentration of carbon dioxide detected by the carbon dioxide detector is greater than or equal to a first preset value, so as to purify air entering the air conditioner from the outside.
Under the condition that the indoor carbon dioxide concentration is greater than or equal to the first preset value, the controller controls the air purification device to be started, the purification of fresh air inlet is realized, and the indoor air inlet is guaranteed to be dust-free and sterile.
In an alternative embodiment, the air purification device comprises a PM2.5 filtration module.
In an alternative embodiment, the air purification apparatus further comprises an ultraviolet sterilization module, and the ultraviolet sterilization module is electrically connected with the controller.
The embodiment of the invention also provides a fresh air control method which is applied to the air conditioner and comprises the following steps:
acquiring an indoor carbon dioxide concentration value in real time;
comparing the carbon dioxide concentration value with a first preset value;
and controlling the air conditioner to operate in a fresh air mode under the condition that the carbon dioxide concentration value is greater than or equal to a first preset value.
According to the fresh air control method provided by the embodiment of the invention, the air conditioner is controlled to enter the fresh air mode according to the indoor carbon dioxide concentration, so that the automatic regulation and control of the indoor air quality are realized, and the influence on the user experience caused by overhigh carbon dioxide concentration is prevented.
In an optional embodiment, the air conditioner includes an air purification device, the air purification device is disposed at an air inlet end of the air conditioner, and after the step of comparing the carbon dioxide concentration value with a first preset value, the air conditioner further includes:
and controlling the air purification device to be started under the condition that the carbon dioxide concentration value is greater than or equal to a first preset value.
In an optional embodiment, after the step of controlling the air conditioner to operate in the fresh air mode, the method further includes:
and controlling the air conditioner to exit a fresh air mode under the condition that the carbon dioxide concentration value is less than or equal to a second preset value, wherein the second preset value is less than or equal to the first preset value.
In an optional embodiment, after the step of comparing the carbon dioxide concentration value with a first preset value, the method further includes:
and sending an alarm signal to enable the air conditioner to send out an alarm under the condition that the carbon dioxide concentration value is greater than or equal to a first preset value.
The embodiment of the invention also provides a fresh air control device, which is applied to an air conditioner, and comprises:
the acquisition module is used for acquiring an indoor carbon dioxide concentration value in real time;
the comparison module is used for comparing the carbon dioxide concentration value with a first preset value;
and the control module is used for controlling the air conditioner to operate in a fresh air mode under the condition that the carbon dioxide concentration value is greater than or equal to a first preset value.
According to the fresh air control device provided by the embodiment of the invention, the air conditioner is controlled to enter the fresh air mode according to the indoor carbon dioxide concentration, so that the automatic regulation and control of the indoor air quality are realized, and the influence on the user experience caused by overhigh carbon dioxide concentration is prevented.
In an optional embodiment, the air conditioner includes an air purification device, the air purification device is disposed at an air inlet end of the air conditioner, and the control module is further configured to control the air purification device to be turned on when the carbon dioxide concentration value is greater than or equal to a first preset value.
Drawings
Fig. 1 is a connection block diagram of an air conditioner according to an embodiment of the present invention;
fig. 2 is a flow chart of a fresh air control method according to an embodiment of the present invention;
fig. 3 is a connection block diagram of a fresh air control device according to an embodiment of the present invention.
Description of reference numerals:
100-an air conditioner; 110-a controller; 130-a fresh air system; 150-a carbon dioxide detector; 170-air purification device; 200-a fresh air control device; 210-an obtaining module; 230-an alignment module; 250-control module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, fig. 1 is a connection block diagram of an air conditioner 100 according to an embodiment of the present invention. The air conditioner 100 provided by the embodiment of the invention can selectively introduce outdoor fresh air according to the concentration of indoor carbon dioxide, realize automatic regulation and control of indoor air quality, ensure dustless and aseptic air entering the room, ensure the comfort and safety of users and improve user experience.
The air conditioner 100 provided in this embodiment includes a controller 110, a fresh air system 130, a carbon dioxide detector 150, and an air purifying device 170, and naturally further includes conventional configurations such as a compressor and a heat exchanger, which are not specifically described in this embodiment, and the controller 110 is electrically connected to the fresh air system 130, the carbon dioxide detector 150, and the air purifying device 170, respectively.
The fresh air system 130 is composed of a plurality of elements such as an air inlet pipeline and a fresh air motor which are arranged on the air conditioner 100, and is also a conventional configuration of the air conditioner 100 when the air conditioner 100 operates in a fresh air mode. The controller 110 may be a control system of the air conditioner 100 itself, or may be additionally configured. The carbon dioxide detector 150 may be a carbon dioxide sensor or other various detection elements, and the carbon dioxide detector 150 is disposed indoors for monitoring the concentration of carbon dioxide in indoor air. The air purification device 170 is disposed at the air inlet end of the air conditioner 100, and is actually disposed on the air inlet pipeline of the fresh air system 130 for purifying the air entering the fresh air pipeline from the outside.
In practical application, no matter the air conditioner 100 is in a shutdown state or in a cooling and heating mode, the carbon dioxide detector 150 detects the concentration of indoor carbon dioxide in real time, and feeds back the detection result to the controller 110, the controller 110 compares the received concentration of carbon dioxide with a preset first preset value, the first preset value is the maximum concentration causing discomfort or influencing the health of a user, and specific numerical values can be adjusted according to different application conditions.
When the carbon dioxide concentration is greater than or equal to the first preset value, the carbon dioxide concentration in the indoor air is represented to reach a concentration value which can cause discomfort or influence health of the user, and at this time, no matter whether the air conditioner 100 is in a stopping device or not, the controller 110 controls the fresh air system 130 to start working, and outdoor fresh air is introduced into the room to increase the indoor oxygen concentration and reduce the carbon dioxide concentration.
While the controller 110 controls the fresh air system 130 to start operating, the controller 110 also controls the air purifying device 170 to start operating, so as to purify air before entering the room from the outdoor environment, so as to ensure that fresh air entering the room is dust-free and sterile.
It is understood that the controller 110 controls the air purifying device 170 to be turned on simultaneously with the fresh air system 130, or controls the air purifying device 170 to be turned on slightly before the fresh air system 130, so as to ensure that all the air entering the room is purified.
In this embodiment, the air purification device 170 includes a PM2.5 filtering module and an ultraviolet sterilization module, the ultraviolet sterilization module is electrically connected to the controller 110, and the controller 110 controls the ultraviolet sterilization module to start working while controlling the fresh air system 130 to start working.
Compared with the ultraviolet sterilization module, the PM2.5 filtering module is closer to the air inlet end of the air conditioner 100, and when the fresh air system 130 introduces outdoor fresh air into the room, the air firstly flows through the PM2.5 filtering module, and then flows through the ultraviolet sterilization module after being filtered by the PM2.5 filtering module, so as to perform sterilization treatment.
In other embodiments, the air purification device 170 may further include other functional modules, such as a carbon dioxide removal module, to achieve an early reduction in the amount of carbon dioxide introduced into the air.
In summary, the air conditioner 100 provided in this embodiment monitors the indoor carbon dioxide concentration in real time by configuring the carbon dioxide detector 150, and when the detected indoor carbon dioxide concentration is too high, the automatic control fresh air system 130 works to introduce the outdoor fresh air into the room, so as to reduce the concentration of the indoor carbon dioxide, increase the oxygen concentration, and ensure the comfort of the user. In addition, the air conditioner 100 is also provided with an air purification device 170 to remove dust and bacteria from the introduced air, thereby ensuring the indoor air to be dust-free and sterile.
Referring to fig. 2, fig. 2 is a block diagram illustrating a flow of a fresh air control method according to the present embodiment. The fresh air control method provided by the embodiment is applied to the air conditioner 100, can automatically improve the indoor air quality, can ensure that air entering a room is dust-free and sterile, ensures the comfort and safety of a user, and improves the user experience.
The fresh air control method provided by the embodiment comprises the following steps:
step S101, acquiring a carbon dioxide concentration value indoors in real time.
In practical applications, the carbon dioxide detector 150 monitors the carbon dioxide concentration in the room in real time and feeds back the detected carbon dioxide concentration data to the controller 110 in real time regardless of whether the air conditioner 100 is in the on state.
Step S102, comparing the carbon dioxide concentration value with a first preset value.
The controller 110 compares the received carbon dioxide concentration data with a preset first preset value, where the first preset value is a maximum concentration causing discomfort or affecting the health of the user, and the specific value may be adjusted according to different application conditions.
And step S103, controlling the air purification device 170 to be started when the carbon dioxide concentration value is greater than or equal to a first preset value.
And step S104, controlling the air conditioner 100 to operate in a fresh air mode under the condition that the carbon dioxide concentration value is greater than or equal to a first preset value.
Step S105, when the carbon dioxide concentration value is greater than or equal to the first preset value, an alarm signal is sent out to make the air conditioner 100 send out an alarm.
If the carbon dioxide concentration value is greater than or equal to the first preset value, it indicates that the carbon dioxide concentration in the indoor air has reached a concentration value that can cause discomfort to the user or affect the health of the user, at this time, no matter whether the air conditioner 100 is in a shutdown device, the controller 110 controls the air purification device 170 to be turned on, and controls the fresh air system 130 to start working, that is, the air conditioner 100 is controlled to operate in a fresh air mode to introduce outdoor fresh air into the room, and the air purification device 170 performs dust removal and bacteria removal on the introduced air.
And, the controller 110 also sends out an alarm signal to make the air conditioner 100 give an alarm, which may be displayed through a display panel, or send out flashing light through a light alarm, or send out a prompt tone through a sound alarm to prompt the user that the indoor carbon dioxide concentration is too high, and may quickly introduce fresh air by opening doors and windows.
It is understood that the execution sequence of step S103, step S104 and step S105 is not limited, and in practical applications, step S103, step S104 and step S105 may be performed simultaneously.
And step S106, controlling the air conditioner 100 to exit the fresh air mode under the condition that the carbon dioxide concentration value is less than or equal to a second preset value.
In this embodiment, the second preset value is less than or equal to the first preset value. Under the condition that the carbon dioxide concentration value is less than or equal to the second preset value, the representation shows that the indoor carbon dioxide concentration is low enough at this time, and in order to avoid energy waste, the controller 110 controls the fresh air system 130 and the air purification device 170 to stop working, that is, the air conditioner 100 is controlled to exit the fresh air mode.
In summary, the fresh air control method provided in this embodiment controls the air conditioner 100 to enter the fresh air mode according to the indoor carbon dioxide concentration, so as to realize automatic regulation and control of the indoor air quality, prevent the user experience from being affected by too high carbon dioxide concentration, and ensure the comfort level of the user.
Referring to fig. 3, fig. 3 is a connection block diagram of a fresh air control device 200 according to the present embodiment. The fresh air control device 200 that this embodiment provided is applied to aforementioned air conditioner 100, and this fresh air control device 200 can improve the room air quality automatically to can guarantee to get into indoor air dustless aseptic, guarantee user's travelling comfort and security, promote user experience. The fresh air control device 200 provided in this embodiment includes an obtaining module 210, a comparing module 230, and a control module 250.
The obtaining module 210 is configured to obtain a carbon dioxide concentration value indoors in real time. That is, the obtaining module 210 is configured to execute step S101 of the fresh air control method.
The comparing module 230 is configured to compare the carbon dioxide concentration value with a first preset value. That is, the comparison module 230 is configured to execute step S102 of the fresh air control method.
And the control module 250 is configured to control the air conditioner 100 to operate in a fresh air mode, control the air purification device 170 to be turned on, and send an alarm signal when the carbon dioxide concentration value is greater than or equal to a first preset value. The control module 250 is further configured to control the air conditioner 100 to exit the fresh air mode and control the air purification device 170 to stop working when the carbon dioxide concentration value is less than or equal to a second preset value. As can be seen, the control module 250 is used for executing the steps S103, S104, S105 and S106 of the fresh air control method.
In conclusion, the fresh air control device 200 provided by the embodiment controls the air conditioner 100 to enter the fresh air mode according to the indoor carbon dioxide concentration, so that the indoor air quality is automatically regulated and controlled, the influence on the user experience due to the overhigh carbon dioxide concentration is prevented, and the comfort level of the user is ensured.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The air conditioner is characterized by comprising a controller (110), a fresh air system (130) and a carbon dioxide detector (150), wherein the controller (110) is electrically connected with the fresh air system (130) and the carbon dioxide detector (150) respectively, the carbon dioxide detector (150) is used for detecting the concentration of indoor carbon dioxide, and the controller (110) is used for controlling the fresh air system (130) to be started to introduce outdoor air into a room under the condition that the concentration of carbon dioxide detected by the carbon dioxide detector (150) is greater than or equal to a first preset value.
2. The air conditioner according to claim 1, wherein the air conditioner (100) further comprises an air purification device (170), the air purification device (170) is disposed at an air inlet end of the air conditioner (100), the controller (110) is electrically connected to the air purification device (170), and the controller (110) is further configured to control the air purification device (170) to be turned on to purify air entering the air conditioner (100) from the outside if the concentration of carbon dioxide detected by the carbon dioxide detector (150) is greater than or equal to a first preset value.
3. The air conditioner according to claim 2, wherein the air purification device (170) comprises a PM2.5 filter module.
4. The air conditioner according to claim 2, wherein the air cleaning device (170) further comprises an ultraviolet sterilization module electrically connected with the controller (110).
5. A fresh air control method is applied to an air conditioner (100), and is characterized by comprising the following steps:
acquiring an indoor carbon dioxide concentration value in real time;
comparing the carbon dioxide concentration value with a first preset value;
and controlling the air conditioner (100) to operate in a fresh air mode under the condition that the carbon dioxide concentration value is greater than or equal to a first preset value.
6. The fresh air control method according to claim 5, wherein the air conditioner (100) comprises an air purification device (170), the air purification device (170) is disposed at an air inlet end of the air conditioner (100), and after the step of comparing the carbon dioxide concentration value with a first preset value, the method further comprises:
and controlling the air purification device (170) to be started under the condition that the carbon dioxide concentration value is greater than or equal to a first preset value.
7. The fresh air control method according to claim 5, further comprising, after the step of controlling the air conditioner (100) to operate in a fresh air mode:
and controlling the air conditioner (100) to exit a fresh air mode under the condition that the carbon dioxide concentration value is less than or equal to a second preset value, wherein the second preset value is less than or equal to the first preset value.
8. The fresh air control method according to claim 5, wherein after the step of comparing the carbon dioxide concentration value with a first preset value, the method further comprises:
and sending out an alarm signal to enable the air conditioner (100) to send out an alarm when the carbon dioxide concentration value is greater than or equal to a first preset value.
9. A fresh air control device is applied to an air conditioner (100), and is characterized in that the fresh air control device (200) comprises:
the acquisition module (210) is used for acquiring indoor carbon dioxide concentration values in real time;
a comparison module (230) for comparing the carbon dioxide concentration value with a first preset value;
the control module (250) is used for controlling the air conditioner (100) to operate in a fresh air mode under the condition that the carbon dioxide concentration value is greater than or equal to a first preset value.
10. The fresh air control device according to claim 9, wherein the air conditioner (100) comprises an air purification device (170), the air purification device (170) is disposed at an air inlet end of the air conditioner (100), and the control module (250) is further configured to control the air purification device (170) to be turned on when the carbon dioxide concentration value is greater than or equal to a first preset value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110983839.1A CN113639400A (en) | 2021-08-25 | 2021-08-25 | Air conditioner, fresh air control method and device |
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| CN202110983839.1A CN113639400A (en) | 2021-08-25 | 2021-08-25 | Air conditioner, fresh air control method and device |
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Cited By (1)
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| CN114777277A (en) * | 2022-04-19 | 2022-07-22 | 青岛海尔空调器有限总公司 | Carbon dioxide removal control method for air conditioner |
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Application publication date: 20211112 |