CN112178864B - Air conditioner pollutant detection method, control method and air conditioner - Google Patents
Air conditioner pollutant detection method, control method and air conditioner Download PDFInfo
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- CN112178864B CN112178864B CN202010824733.2A CN202010824733A CN112178864B CN 112178864 B CN112178864 B CN 112178864B CN 202010824733 A CN202010824733 A CN 202010824733A CN 112178864 B CN112178864 B CN 112178864B
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—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
- 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
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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
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- 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
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Abstract
The application provides an air conditioner pollutant detection method, a control method and an air conditioner, which comprises the following steps: acquiring the position of a target area; determining a wind sweeping angle according to the position of the target area; controlling the air conditioner to sweep air at a sweeping angle, so that air flow flows to a target area from an air outlet of the air conditioner and then flows to the air conditioner; and detecting the concentration of the pollutants. According to the air conditioner pollutant detection method, the air conditioner pollutant control method and the air conditioner, the pollutant concentration at a specific indoor position can be accurately judged.
Description
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to an air conditioner pollutant detection method, a control method and an air conditioner.
Background
Currently, as the concern of consumers for health is getting higher, the air purification function has gradually become the standard of air conditioners. A clean air conditioner is generally equipped with a contaminant detection device and a corresponding contaminant purification device. The pollutant detection device is used for detecting the pollutant concentration and judging whether purification is needed or not and what degree the purification is needed.
However, in the prior art, the pollutant detection device is basically configured on the air conditioner, but the detection range is limited near the air conditioner, and the detection range of the pollutant concentration is limited, so that the pollutant concentration condition at a certain specific position far away cannot be accurately detected and judged.
Therefore, how to provide a method for detecting pollutants in an air conditioner, a method for controlling the same, and an air conditioner capable of accurately determining the concentration of pollutants at a specific indoor location is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
Therefore, an object of the present invention is to provide a method for detecting contaminants in an air conditioner, a method for controlling the same, and an air conditioner, which can accurately determine the concentration of contaminants at a specific indoor location.
In order to solve the above problems, the present application provides a method for detecting contaminants in an air conditioner, comprising the following steps:
acquiring the position of a target area;
determining a wind sweeping angle according to the position of the target area;
controlling the air conditioner to sweep air at a sweeping angle, so that air flow flows to a target area from an air outlet of the air conditioner and then flows to the air conditioner;
and detecting the concentration of the pollutants.
Preferably, the step of detecting the concentration of the contaminant further comprises the steps of:
acquiring pollutant balance time t, the wind speed v of an air conditioner fan at a wind sweeping angle and the concentration attenuation coefficient beta of pollutants;
and determining the pollutant concentration according to the pollutant equilibrium time t, the wind speed v and the concentration attenuation coefficient beta.
Preferably, the step of obtaining the contaminant equilibrium time t comprises the steps of:
acquiring the volume V of a space where an air conditioner is located, the wind speed V of a fan of the air conditioner at a wind sweeping angle and an airflow circulation coefficient alpha;
and determining the balance time t of the detected pollutants according to the space volume V, the wind speed V and the airflow circulation coefficient alpha.
Preferably, t ═ f (V, V, α) ═ V/(V · α);
and/or determining the concentration attenuation coefficient according to the wind sweeping angle, the wind speed v and the position of the target area.
Preferably, detecting the concentration of the contaminant comprises the steps of: and detecting the pollutant concentration after the time of sweeping the wind reaches the pollutant balance time t.
According to still another aspect of the present application, an air conditioner is provided, and the air conditioner is used for implementing the air conditioner pollutant detection method.
According to still another aspect of the present application, there is provided a control method of an air conditioner, the air conditioner being the air conditioner described above.
Preferably, the method comprises the following steps:
obtaining the purification concentration Ct of the pollutants in the target area;
and determining the operation mode of the air conditioner according to the purification concentration Ct of the pollutants in the target area.
Preferably, Ct ═ f (C, β); where C is the contaminant concentration in the target region and β is the contaminant concentration decay factor.
Preferably, Ct ═ f (C, β) ═ C/β.
Preferably, the determining the operation mode of the air conditioner according to the target area pollutant purification concentration Ct includes the following steps:
when Ct is less than C1, controlling the air conditioner to enter a heat exchange mode;
and/or controlling the air conditioner to enter a purification mode when Ct is larger than or equal to C1; wherein C1 is a first predetermined contaminant concentration;
and/or when Ct < C2, controlling the air conditioner to simultaneously enter a heat exchange mode and a purification mode; wherein C2 is a second predetermined contaminant concentration;
and/or controlling the air conditioner to enter a purification mode when Ct is larger than C2; where C2 is the second predetermined contaminant concentration.
Preferably, when Ct < C2, the air conditioner is controlled to enter the heat exchange mode and the purification mode simultaneously, further comprising the following steps:
and determining the ratio of the heat exchange mode and the purification mode according to the Ct.
The air conditioner pollutant detection method, the air conditioner pollutant control method and the air conditioner can accurately judge the pollutant concentration at the specific indoor position.
Drawings
FIG. 1 is a schematic gas flow diagram of a flow of test gas in accordance with an embodiment of the present application;
FIG. 2 is a schematic gas flow diagram of a flow of test gas in accordance with an embodiment of the present application;
FIG. 3 is a schematic gas flow diagram of a flow of test gas in accordance with an embodiment of the present application;
FIG. 4 is a schematic gas flow diagram of a flow of test gas in accordance with an embodiment of the present application;
fig. 5 is a schematic gas flow diagram of a detection gas flow according to an embodiment of the present application.
The reference numerals are represented as:
1. an air conditioner; 2. a contaminant detection device; 3. a pollutant detection range; 4. and (4) indoor.
Detailed Description
Referring to fig. 1 in combination, according to an embodiment of the present application, a method for detecting contaminants in an air conditioner 1 includes the following steps:
acquiring the position of a target area;
determining a wind sweeping angle according to the position of the target area;
controlling the air conditioner 1 to sweep air at a sweeping angle, so that air flow flows from an air outlet of the air conditioner 1 to a target area and then flows to the air conditioner 1;
and the pollutant concentration is detected, so that the pollutant concentration at the specific position of the indoor 4 can be accurately judged. The air flow moves through the operation of the inner fan, so that pollutants in a target area enter a pollutant detection range 3 of the pollutant detection device 2, more accurate pollutant concentration is determined by combining pollutant concentration balance time, an air flow circulation coefficient and a concentration attenuation coefficient, whether indoor 4 air needs to be purified is determined, and what purification mode is operated, how to adjust the optimal operation parameters of the air conditioner 1 and the like are determined. Therefore, misjudgment caused by the fact that only pollutants around the air conditioner 1 are detected and real air quality information cannot be obtained is avoided, and the effect of real health cannot be achieved. The air flow direction is adjusted through the air sweeping mechanism, so that pollutants at specific positions can be conveyed to the air conditioner 1 along with the air flow in the best path for detection, the pollutant detection range of the air conditioner 1 is improved, and meanwhile, the detection and judgment of the pollutant concentration at different specific positions in the room 4 are realized. Relevant operation parameters of the air conditioner 1 are adjusted and optimized by combining with the real indoor 4 pollution situation, so that the air conditioner 1 is in the best state in aspects of health, comfort, energy conservation, noise and the like during operation, and the health comfort of people is improved.
Further, the step of detecting the concentration of the contaminant further comprises the steps of:
acquiring pollutant balance time t, the wind speed v of an air conditioner fan at a wind sweeping angle and the concentration attenuation coefficient beta of pollutants;
and determining the pollutant concentration according to the pollutant equilibrium time t, the wind speed v and the concentration attenuation coefficient beta.
Further, obtaining the pollutant equilibrium time t comprises the following steps:
acquiring the space volume V of the air conditioner 1, the wind speed V of a fan of the air conditioner 1 at a wind sweeping angle and an airflow circulation coefficient alpha;
and determining the balance time t of the detected pollutants according to the space volume V, the wind speed V and the airflow circulation coefficient alpha.
Further, t ═ f (V, V, α) ═ V/(V · α);
and/or determining the concentration attenuation coefficient according to the wind sweeping angle, the wind speed v and the position of the target area.
Further, the step of detecting the concentration of the contaminant comprises the following steps: and detecting the pollutant concentration after the time of sweeping the wind reaches the pollutant balance time t.
According to the embodiment of the application, the air conditioner 1 is provided, and the air conditioner 1 is used for realizing the pollutant detection method of the air conditioner 1.
According to an embodiment of the present application, a method for controlling an air conditioner 1 is provided, where the air conditioner 1 is the air conditioner 1 described above.
Further, the method comprises the following steps:
obtaining the purification concentration Ct of the pollutants in the target area;
and determining the operation mode of the air conditioner 1 according to the target area pollutant purification concentration Ct.
Further, Ct ═ f (C, β); where C is the contaminant concentration in the target region and β is the contaminant concentration decay factor.
Further, Ct ═ f (C, β) ═ C/β.
Further, determining the operation mode of the air conditioner 1 according to the target area pollutant purification concentration Ct includes the following steps:
when Ct < C1, controlling the air conditioner 1 to enter a heat exchange mode;
and/or controlling the air conditioner 1 to enter a purification mode when Ct is larger than or equal to C1; wherein C1 is a first predetermined contaminant concentration;
and/or, when Ct < C2, controlling the air conditioner 1 to enter the heat exchange mode and the purification mode simultaneously; wherein C2 is a second predetermined contaminant concentration;
and/or, when Ct is larger than C2, controlling the air conditioner 1 to enter a purification mode; where C2 is the second predetermined contaminant concentration.
Further, when Ct < C2, controlling the air conditioner 1 to enter the heat exchange mode and the purification mode simultaneously, further comprising the following steps:
and determining the ratio of the heat exchange mode and the purification mode according to the Ct.
The indoor unit of the air conditioner 1 is provided with an air inlet, an inner fan and an air outlet; the air outlet is provided with an air sweeping mechanism; an air quality detection unit is arranged in the air channel communicated with the air inlet and the air outlet; the indoor unit further includes a spatial position detection unit. The control method comprises the following steps:
1. the air conditioner 1 operates in the purification mode.
2. The control space position detection unit detects and determines the position of the indoor 4 purification target area.
3. And controlling the air-sweeping mechanism of the air conditioner 1 to operate and moving to a specified air-sweeping angle according to the corresponding relation between the target position and the air-sweeping angle.
The wind sweeping mechanism comprises an upper wind sweeping wind deflector, a lower wind sweeping wind deflector, a left wind sweeping blade and a right wind sweeping blade.
The corresponding relation between the target position and the wind sweeping angle is input in advance through the system. In particular, the target position corresponds to a unique optimal sweep angle.
The wind sweeping angles (or directions) include, but are not limited to, 9 wind sweeping angles (or directions) such as a forward wind sweeping angle, an upper wind sweeping angle, a lower wind sweeping angle, a left wind sweeping angle, a right wind sweeping angle, an upper left wind sweeping angle, a lower left wind sweeping angle, an upper right wind sweeping angle and a lower right wind sweeping angle.
4. And controlling the fan in the air conditioner 1 to be started and run according to a certain wind speed v.
5. And (5) maintaining the running state and running for a certain time t, and controlling the air quality detection unit to detect the pollutant concentration C. The pollutants comprise particulate pollutants such as PM2.5 and PM0.3, gaseous pollutants such as formaldehyde, VOC and peculiar smell, and harmful microorganisms such as bacteria and viruses.
The operating time t is determined by the spatial volume V, the wind speed V and the air flow circulation coefficient α.
The specific determination method comprises the following steps:
(1) and acquiring the space volume V of the target area of the installation environment of the air conditioner 1.
The size of the space volume is written into a corresponding control program when the air conditioner 1 is produced;
preferably, the space volume is related to parameters such as the number of air conditioners 1, or the cooling capacity, or the specification of the air conditioners 1, or the recommended use area.
The parameters comprise small 1 piece (2300W, 23 machine, area < 10m2), 1 piece (2600W, 26 machine, area 10-15m2), small 1.5 piece (3200W, 32 machine, area 14-18m2), 1.5 piece (3500W, 35 machine, area 16-20m2), 2 piece (5000W, 50 machine, area 20-30m2), 3 piece (8010W, 72 machine, area 30-40m2) and the like;
further, the size of the space volume may also be entered by an installer at the time of installation of the air conditioner 1 according to specific installation conditions.
Further, the size of the space volume can be automatically judged by the air conditioner 1 through detection.
(2) The operating time t of the air conditioner 1 is determined by empirical calculation.
The operating time t is related to the space volume V, the wind speed V and the air flow circulation coefficient α, and t is f (V, V, α).
Preferably, t ═ f (V, V, α) ═ V/(V · α).
The air circulation coefficient is related to the wind speed, the target position and the wind sweeping angle, and particularly, the air circulation coefficient and the wind sweeping angle are in one-to-one correspondence.
6. And determining the pollutant purification concentration Ct of the target area.
The target area contaminant purification concentration Ct is related to the contaminant concentration C and the concentration attenuation coefficient β, where Ct ═ f (C, β).
Preferably, Ct ═ f (C, β) ═ C/β.
The concentration attenuation coefficient is related to the wind speed, the target position and the wind sweeping angle, and particularly, the concentration attenuation coefficient and the wind sweeping angle are in one-to-one correspondence.
7. Judging whether purification is needed according to the concentration condition of the pollutants:
when Ct is less than C1, judging yes, indicating that the air in the target area is clean, and directly operating the air conditioner 1 mode without air purification; and when the Ct is larger than or equal to C1, judging that the air is dirty in the target area, and operating the air conditioner 1 in a purification mode. Wherein C1 is a pollutant concentration judgment standard value, preferably 0< C1 ≤ 0.035mg/m 3.
8. Further, the operation mode of the air conditioner 1 is judged according to the pollutant concentration condition:
when Ct < C2, it is determined that there is a contamination in the target area, but the contamination situation is general, the air conditioner 1 may perform cooling or heating synchronously while performing purification, that is, the air conditioning mode + the purification mode, to ensure the unity of health and comfort; when Ct is greater than C2, it is determined as no, which indicates that the target area is polluted and the pollution is serious, and it is necessary to first operate the purification mode to purify the indoor 4 air, and then perform cooling or heating, i.e., the purification mode. Wherein, C2 is a pollutant concentration judgment standard value, preferably 0< C2 ≤ 0.075mg/m 3.
Further, the air conditioner 1 can further refine the pollutant concentration to different levels, and determine different operation parameters according to the different levels, so as to ensure the optimization and unification in the aspects of health, comfort, energy conservation, noise and the like.
The operation parameters include the ratio of the purification mode to the air-conditioning mode, and the operation parameters and purification parameters of the air conditioner 1 corresponding to different pollutant concentration levels in each mode.
The operation parameters of the air conditioner 1 include, but are not limited to, air volume, air speed, air deflector movement mode, frequency, compressor operation frequency, environment temperature and humidity, and the like.
The purification parameters include, but are not limited to, ion output, UV light intensity, HEPA mesh air intake, IFD field strength, etc.
9. And controlling the air conditioner 1 to operate according to the corresponding mode and parameters.
In order to achieve the above object, the present application further provides a control apparatus of an air conditioner 1, as shown in fig. 1, which performs the above control method. The indoor unit of the air conditioner 1 is provided with an air inlet, an inner fan and an air outlet; the air outlet is provided with an air sweeping mechanism; an air quality detection unit is arranged in the air channel communicated with the air inlet and the air outlet; the indoor unit further includes a spatial position detection unit. Wherein fig. 1 shows the air deflector centered and the wind sweeping blade to the left. The control device includes:
the detection module is used for controlling the air quality detection unit to detect the concentration of indoor 4 air pollutants and controlling the space position detection unit to detect the position of an indoor 4 purification target area;
the control module is used for controlling the inner fan to operate according to a certain wind speed and controlling the wind sweeping mechanism to swing according to a certain rule;
the analysis module is used for judging whether the equilibrium concentration is reached or not, whether purification is needed or not and what mode is executed according to the detected pollutant concentration and calculating the pollutant concentration detection running time of the air conditioner 1 by combining related parameters; the method is used for determining a wind sweeping angle, an airflow circulation coefficient, a concentration attenuation coefficient and the like according to the target position.
And the processing module is used for optimizing the relevant operating parameters of the air conditioner 1 according to the pollutant concentration condition and controlling the air conditioner 1 to operate according to the corresponding operating parameters.
In order to achieve the above object, the present application further provides an air conditioner 1 including the above control method and apparatus.
The indoor unit of the air conditioner 1 is provided with an air inlet, an inner fan and an air outlet; the air outlet is provided with an air sweeping mechanism; an air quality detection unit is arranged in the air channel communicated with the air inlet and the air outlet; the indoor unit further includes a spatial position detection unit.
By adopting the technical route of the application, firstly, the air conditioner 1 can move air flow through the operation of the inner fan when in operation, more accurate pollutant concentration is determined by combining the pollutant concentration balance time, the air flow circulation coefficient and the concentration attenuation coefficient detection, and then whether the indoor 4 air needs to be purified, which purification mode is in operation, and how to adjust the optimal operation parameters of the air conditioner 1 and the like are determined. Therefore, misjudgment caused by the fact that only pollutants around the air conditioner 1 are detected and real air quality information cannot be obtained is avoided, and the effect of real health cannot be achieved. Secondly, the direction of the air flow is adjusted through the air sweeping mechanism, so that pollutants at specific positions can be conveyed to the air conditioner 1 along with the air flow in an optimal path for detection, the detection range of the pollutants in the air conditioner 1 is improved, and the detection and judgment of the concentrations of the pollutants at different specific positions in the room 4 are realized. Finally, relevant operation parameters of the air conditioner 1 are adjusted and optimized by combining the real indoor 4 pollution conditions obtained through detection, so that the air conditioner 1 can operate in the best state in aspects of health, comfort, energy conservation, noise and the like, and the health and comfort of people are improved.
In order to achieve the above object, the present application provides a simple implementation description of a purification control method for an air conditioner 1, as shown in fig. 2-5. FIG. 2 shows the air deflector facing downward and the wind sweeping blade facing rightward; FIG. 3 shows the air deflector centered with the wind-sweeping blades facing right; fig. 4 shows the air deflector down and the wind-sweeping blade centered.
The air conditioner 1 is a 1.5-piece machine, and thus the installation space volume size V is set to 20 × 3m3 (room 20 is flat, height 3m), and a corresponding control program is written when the air conditioner 1 is produced.
The indoor unit of the air conditioner 1 is provided with an air inlet, an inner fan and an air outlet; the air outlet is provided with an air sweeping mechanism; the wind sweeping mechanism comprises an upper wind sweeping wind deflector, a lower wind sweeping wind deflector, a left wind sweeping blade and a right wind sweeping blade.
The wind sweeping angles (or directions) comprise 1 positive wind sweeping, 2 upper wind sweeping, 3 lower wind sweeping, 4 left wind sweeping, 5 right wind sweeping, 6 left upper wind sweeping, 7 left lower wind sweeping, 8 right upper wind sweeping and 9 right lower wind sweeping 9 types, and 9 corresponding air flow circulation coefficients alpha 1-alpha 9 and 9 concentration attenuation coefficients beta 1-beta 9 are determined.
An ATP bacteria detector is arranged in the air duct communicated with the air inlet and the air outlet and used for evaluating bacteria content, and the indoor unit further comprises a camera device used for determining a target position.
The air conditioner 1 performs sterilization by an ion purification method.
The control method comprises the following steps:
1. the air conditioner 1 operates in the purification mode.
2. The control space position detection unit detects and determines the indoor 4 purification target area position P.
3. And controlling the air-sweeping mechanism of the air conditioner 1 to operate, determining the optimal air-sweeping angle as the air deflector is centered and the air-sweeping blade is left according to the relation between the target position and the air-sweeping angle, and controlling the air-sweeping mechanism to move to the air-sweeping angle.
4. And controlling the fan in the air conditioner 1 to be started and run according to the wind speed vmax.
5. And determining the operation duration time t as V/(vmax & alpha 4) by combining the space volume V, the wind speed vmax and the airflow circulation coefficient alpha 4, and controlling the air quality detection unit to detect and acquire the pollutant concentration C after a certain time t.
6. And determining the target area pollutant purification concentration Ct as C/beta 4 by combining the concentration attenuation coefficient beta 4.
7. According to the pollutant concentration Ct, Ct is larger than or equal to C1 and Ct is larger than C2, which indicates that the air in the target area is dirty and seriously polluted, and the purification mode needs to be operated firstly for purification and then refrigeration or heating is carried out.
Further, the current default ion output content of the air conditioner 1 meets the current pollutant concentration purification requirement without adjusting the ion output quantity.
8. And keeping the current wind sweeping angle unchanged, and controlling the air conditioner 1 to start an ion purification mode to purify the corresponding target area.
P in fig. 1-5 indicates contaminants, and the direction of the arrows is the direction of gas flow.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (11)
1. A pollutant detection method for an air conditioner is characterized by comprising the following steps:
acquiring the position of a target area;
determining a wind sweeping angle according to the position of the target area;
controlling the air conditioner to sweep air at the air sweeping angle, so that air flow flows from an air outlet of the air conditioner to the target area and then flows to the air conditioner;
detecting the concentration of the pollutant;
the method for detecting the concentration of the pollutant further comprises the following steps:
acquiring pollutant balance time t, the wind speed v of an air conditioner fan at the wind sweeping angle and the concentration attenuation coefficient beta of pollutants;
and determining the pollutant concentration according to the pollutant equilibrium time t, the wind speed v and the concentration attenuation coefficient beta.
2. The air conditioner contaminant detection method of claim 1, wherein said obtaining said contaminant balance time t comprises the steps of:
acquiring the volume V of a space where the air conditioner is positioned, the wind speed V of an air conditioner fan at the wind sweeping angle and an airflow circulation coefficient alpha;
and determining the pollutant detection balance time t according to the space volume V, the wind speed V and the airflow circulation coefficient alpha.
3. The air conditioner contaminant detection method of claim 2, wherein t ═ f (V, V, α) ═ V/(V · α);
and/or determining the concentration attenuation coefficient according to the wind sweeping angle, the wind speed v and the position of the target area.
4. An air conditioner contaminant detection method according to claim 1, wherein said detecting contaminant concentration comprises the steps of: and detecting the pollutant concentration after the time of sweeping the wind reaches the pollutant balance time t.
5. An air conditioner, characterized in that the air conditioner is used for realizing the air conditioner pollutant detection method of any one of claims 1-4.
6. An air conditioner control method characterized in that the air conditioner is the air conditioner according to claim 5.
7. The air conditioner controlling method according to claim 6, comprising the steps of:
obtaining the purification concentration Ct of the pollutants in the target area;
and determining the operation mode of the air conditioner according to the purification concentration Ct of the pollutants in the target area.
8. The air conditioner control method according to claim 7, wherein Ct ═ f (C, β); where C is the contaminant concentration of the target region and β is the concentration decay factor of the contaminant.
9. The air conditioner control method according to claim 8, wherein Ct (f (C, β)) is C/β.
10. The air conditioner control method according to claim 6, wherein determining the operation mode of the air conditioner according to the target zone pollutant purification concentration Ct comprises the steps of:
when Ct < C1, controlling the air conditioner to enter a heat exchange mode;
and/or controlling the air conditioner to enter a purification mode when Ct is larger than or equal to C1; wherein C1 is a first predetermined contaminant concentration;
and/or when Ct < C2, controlling the air conditioner to simultaneously enter a heat exchange mode and a purification mode; wherein C2 is a second predetermined contaminant concentration;
and/or when Ct is larger than C2, controlling the air conditioner to enter a purification mode; where C2 is the second predetermined contaminant concentration.
11. The method for controlling an air conditioner according to claim 10, wherein when Ct < C2, the air conditioner is controlled to enter a heat exchange mode and a purification mode simultaneously, further comprising the steps of:
and determining the ratio of the heat exchange mode to the purification mode according to the Ct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824733.2A CN112178864B (en) | 2020-08-17 | 2020-08-17 | Air conditioner pollutant detection method, control method and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010824733.2A CN112178864B (en) | 2020-08-17 | 2020-08-17 | Air conditioner pollutant detection method, control method and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112178864A CN112178864A (en) | 2021-01-05 |
| CN112178864B true CN112178864B (en) | 2021-11-23 |
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| CN113669866A (en) * | 2021-08-20 | 2021-11-19 | 珠海格力电器股份有限公司 | Control method of air conditioner and air conditioner |
| CN114522650B (en) * | 2022-03-25 | 2023-05-12 | 成都飞机工业（集团）有限责任公司 | Atmosphere protection device and method for removing oxygen from atmosphere protection device |
| CN114522262A (en) * | 2022-04-24 | 2022-05-24 | 安徽逸天科技有限公司 | Public transport area environmental monitoring analysis management system based on artificial intelligence |
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