CN112178865B - Air conditioner pollutant detection method, purification method, control method and air conditioner - Google Patents
Air conditioner pollutant detection method, purification method, control method and air conditioner Download PDFInfo
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- CN112178865B CN112178865B CN202010824734.7A CN202010824734A CN112178865B CN 112178865 B CN112178865 B CN 112178865B CN 202010824734 A CN202010824734 A CN 202010824734A CN 112178865 B CN112178865 B CN 112178865B
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 170
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 170
- 238000000746 purification Methods 0.000 title claims abstract description 89
- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000010408 sweeping Methods 0.000 claims abstract description 150
- 239000000356 contaminant Substances 0.000 claims description 58
- 238000009826 distribution Methods 0.000 claims description 52
- 238000004140 cleaning Methods 0.000 claims description 15
- 239000010865 sewage Substances 0.000 claims description 6
- 238000011067 equilibration Methods 0.000 claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 18
- 238000010926 purge Methods 0.000 description 18
- 244000005700 microbiome Species 0.000 description 16
- 238000010586 diagram Methods 0.000 description 9
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 238000004887 air purification Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011403 purification operation Methods 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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)
- Fluid Mechanics (AREA)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application provides an air conditioner pollutant detection method, a purification method, a control method and an air conditioner, comprising the following steps: controlling the air conditioner to enter a wind sweeping state; detecting the pollutant balance time t; and determining the pollutant concentration in the room where the air conditioner is located according to the pollutant balance time t. According to the air conditioner pollutant detection method, the purification method, the control method and the air conditioner, accurate indoor air quality information can be obtained.
Description
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to an air conditioner pollutant detection method, a purification 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, the pollutant detection device is arranged on the air conditioner, and the detected concentration range is limited to the surrounding environment of the air conditioner.
However, in some cases, because the indoor pollutants are not uniformly distributed, when the quality of the air around the air conditioner is good but the pollution of other indoor areas is serious, the detection device configured on the air conditioner only detects the concentration of the ambient pollutants, and the indoor air quality is considered to be good, and the purification function is not started to purify the indoor air, so that the indoor air purification device is very unfavorable for the health of people.
Therefore, how to provide an air conditioner pollutant detection method, a purification method, a control method and an air conditioner capable of acquiring accurate indoor air quality information becomes a problem to be solved by those skilled in the art urgently.
Disclosure of Invention
Therefore, an object of the present invention is to provide an air conditioner contaminant detection method, a purification method, a control method, and an air conditioner, which can obtain accurate indoor air quality information.
In order to solve the above problems, the present application provides a method for detecting contaminants in an air conditioner, comprising the following steps:
controlling the air conditioner to enter a wind sweeping state;
detecting the pollutant balance time t;
and determining the pollutant concentration in the room where the air conditioner is located according to the pollutant balance time t.
Preferably, the air conditioner contaminant detection method further includes the steps of:
and detecting the distribution condition of pollutants at each position in the room.
Preferably, the detection of the distribution of the pollutants at each position in the room comprises the following steps:
acquiring the pollutant equilibrium concentration of each indoor position;
and determining the pollutant distribution condition of each position in the room according to the pollutant equilibrium concentration of each position in the room.
Preferably, the controlling the air conditioner to enter the wind sweeping state comprises the following steps:
and controlling the air conditioner to sweep air at a preset detection sweeping angle, so that the air flow flows from the air outlet of the air conditioner to a position corresponding to the preset detection sweeping angle and then flows back to the air conditioner.
Preferably, the step of obtaining the concentration of the contaminant at each location in the room comprises the steps of:
acquiring a detection wind sweeping angle corresponding to each position;
sequentially adjusting to each detection wind sweeping angle in a wind sweeping state;
and detecting the pollutant equilibrium concentration at each detection wind sweeping angle.
Preferably, determining the contaminant concentration in the room based on the contaminant equilibration time t comprises the steps of: and controlling the air conditioner to operate in a wind sweeping state, and detecting the pollutant concentration when the operation time reaches the pollutant balance time t.
Preferably, the detection of 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 in a wind sweeping state 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 air flow circulation coefficient alpha according to the detected wind sweeping angle.
Preferably, Ci ═ (C fouling 1, C fouling 2, … …, C fouling k), where Ci is the total contaminant concentration at the ith preset position; c, sewage 1 is the concentration of a first pollutant at the ith preset position; c, sewage 2 is the concentration of a second pollutant at the ith preset position; csewage k is the concentration of the kth pollutant at the ith preset position.
Preferably, F (C1, … …, Ci); wherein C1 is the total contaminant concentration at the 1 st preset position; ci is the total contaminant concentration at the ith preset position; f is the total contaminant concentration in the room.
According to still another aspect of the present application, there is provided an air conditioner purifying method including the steps of:
acquiring the distribution condition of the concentration of pollutants in the room where the air conditioner is located;
and determining the purification mode of the air conditioner according to the distribution condition of the concentration of the indoor pollutants.
Preferably, the step of determining the purification mode of the air conditioner according to the distribution of the indoor pollutant concentration comprises the following steps:
and determining the purification wind sweeping angle of the air conditioner according to the distribution condition of the concentration of the indoor pollutants.
Preferably, the air conditioner cleaning method further includes the steps of:
when at least two purification wind sweeping angles exist, determining an operation sequence among the purification wind sweeping angles according to the pollutant concentration of the corresponding position of each purification wind sweeping angle;
and/or determining the purification mode and/or purification time of the second preset position according to the type of the pollutant at the second preset position and the concentration of different types of pollutants.
According to still another aspect of the present application, there is provided an air conditioner control method including the steps of:
acquiring the concentration C of pollutants in a room where an air conditioner is located;
and determining the operation mode of the air conditioner according to the indoor pollutant concentration C.
Preferably, the determining of the operation mode of the air conditioner according to the indoor pollutant concentration C includes the steps of:
when C < C1 is in advance, controlling the air conditioner to enter a heat exchange mode;
and/or controlling the air conditioner to enter a purification mode when C is larger than or equal to C1; wherein C1 is predetermined to be a first predetermined contaminant concentration;
and/or when C < C2 is preset, controlling the air conditioner to simultaneously enter a heat exchange mode and a purification mode; wherein C1 is predetermined to be a second predetermined contaminant concentration;
and/or controlling the air conditioner to enter a purification mode when C is more than C2; where C2 is predetermined to be the second predetermined contaminant concentration.
According to still another aspect of the present application, there is provided an air conditioner for implementing the above-mentioned pollutant detecting method; and/or the air conditioner is used for realizing the air conditioner purification method; the air conditioner is used for realizing the air conditioner control method.
According to the air conditioner pollutant detection method, the air purification method, the air conditioner control method and the air conditioner, the air sweeping mechanism enables air flow to circulate, pollutant distribution is more uniform, the pollutant concentration in an indoor space where the air conditioner is located is determined according to the pollutant balance time t, and accurate indoor air quality information can be obtained.
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 diagram of a distribution of detection sequences according to an embodiment of the present application;
FIG. 5 is a schematic view of an indoor contaminant distribution according to an embodiment of the present application;
FIG. 6 is a schematic diagram of a purge sequence distribution according to an embodiment of the present application;
FIG. 7 is a schematic diagram of the purge time distribution according to the embodiment of the present application;
FIG. 8 is a schematic view of an indoor contaminant distribution according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a distribution of detection sequences according to an embodiment of the present application;
FIG. 10 is a schematic view of an indoor contaminant distribution according to an embodiment of the present application;
FIG. 11 is a schematic view of a purge sequence distribution according to an embodiment of the present application;
FIG. 12 is a schematic diagram of the purge time profile of an embodiment of the present application;
FIG. 13 is a schematic diagram of a distribution of detection sequences according to an embodiment of the present application;
FIG. 14 is a schematic view of the purge sequence distribution according to the 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:
controlling the air conditioner 1 to enter a wind sweeping state;
detecting the pollutant balance time t;
confirm the indoor 4 pollutant concentration in air conditioner 1 place according to pollutant equilibrium time t, make the air current circulation through interior fan, the pollutant distributes more evenly for the pollutant in the pollutant detection range 3 is unanimous with the pollutant concentration of indoor other places, and combines pollutant equilibrium time to detect and confirm more accurate pollutant concentration, thereby confirms real indoor 4 pollution conditions. Therefore, misjudgment caused by the fact that real air quality information of the indoor 4 cannot be obtained only by detecting the concentration of the pollutants around the air conditioner 1 is avoided, and the effect of real health cannot be achieved.
Further, the method for detecting the pollutants in the air conditioner 1 further comprises the following steps:
the distribution of pollutants at various locations within the chamber 4 is detected.
Further, detecting the distribution of the pollutants at each position of the indoor 4 comprises the following steps:
acquiring the equilibrium concentration of pollutants at each position of the indoor 4;
and determining the pollutant distribution conditions of all the positions in the room 4 according to the pollutant equilibrium concentrations of all the positions in the room 4.
Further, controlling the air conditioner 1 to enter the wind sweeping state includes the steps of:
and controlling the air conditioner 1 to sweep air at a preset detection sweeping angle, so that the air flow flows from the air outlet of the air conditioner 1 to a position corresponding to the preset detection sweeping angle and then flows back to the air conditioner 1.
Further, obtaining the contaminant concentrations at various locations within the chamber 4 comprises the steps of:
acquiring a detection wind sweeping angle corresponding to each position;
sequentially adjusting to each detection wind sweeping angle in a wind sweeping state;
detect every pollutant equilibrium concentration that detects under sweeping the wind angle, through interior fan and sweep the cooperation of wind mechanism, detect the pollutant equilibrium concentration under the different wind angles of sweeping, obtain the indoor 4 pollutant distributions based on sweeping the wind angle to confirm the more accurate indoor 4 pollution distribution conditions. And further, whether the indoor 4 air needs to be purified, what purification mode to operate, how to adjust the operation parameters of the air conditioner 1 to enable the air conditioner 1 to be in the best purification effect, and the like are judged.
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; and an air quality detection unit is arranged in the air channel communicated with the air inlet and the air outlet. The control method comprises the following steps: and controlling the air sweeping mechanism of the air conditioner 1 to operate and swing according to a preset angle rule. 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) include but are not limited to i 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. The wind sweeping rule refers to the sequence of all wind sweeping angles and the duration of each angle of the air conditioner 1. And controlling the fan in the air conditioner 1 to be started at the ith wind sweeping angle and to run at a certain wind speed v.
Further, determining the contaminant concentration in the chamber 4 based on the contaminant equilibration time t comprises the steps of: and controlling the air conditioner 1 to operate in a wind sweeping state, and detecting the pollutant concentration when the operation time reaches the pollutant balance time t.
Further, detecting the contaminant equilibrium time t comprises the steps of:
acquiring the space volume V of the air conditioner 1, the wind speed V of a fan of the air conditioner 1 in a wind sweeping state 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 air flow circulation coefficient alpha according to the detected wind sweeping angle.
(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 (7200W, 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 and the wind sweeping angle, and particularly, the air circulation coefficient and the wind sweeping angle are in one-to-one correspondence.
The pollutants include but are not limited to particulate pollutants such as PM2.5 and PM0.3, gaseous pollutants such as formaldehyde, VOC, peculiar smell and the like, harmful microorganisms such as bacteria and viruses and the like.
The pollutant concentration Ci is a set of detection results of various pollutant concentrations at the current wind sweeping angle, and Ci is (C dirt 1, C dirt 2, … … and C dirt k). In particular, when k is 1, Ci is C stain 1. Further, the contaminant concentration Ci is a weighted average of the concentrations of the various contaminants, Ci ═ x1C contaminant 1+ x2C contaminant 2+ … … + xkC contaminant k, wherein x1+ x2+ … … + xk is 1. In particular, when k is 1, Ci is C stain 1. The weight x is related to the hazard level of the various contaminants, the concentration of the contaminants, etc.
And repeating the steps to obtain the pollutant concentration C1-Ci of the air conditioner 1 at all preset wind sweeping angles. Referring to fig. 1 to 4 in combination, since different windward airflows correspond to different pollutant distributions, the indoor 4 pollutant distribution based on the airflow distribution is determined to be F (C1, … …, Ci) ═ F [ (C pollutant 1, C pollutant 2, … …, C pollutant k), … …, (C pollutant 1, C pollutant 2, … …, C pollutant k) ]. Wherein fig. 1 shows the air deflector centered and the wind sweeping blade to the left; FIG. 1 shows the air deflector centered with the wind sweeping blade to the left; FIG. 2 shows the air deflector facing downward and the wind sweeping blade facing rightward; FIG. 3 shows the air deflector facing upwards and the wind-sweeping blade centered; fig. 4 shows the air deflector facing downwards and the wind sweeping blade facing to the right.
P1 and P2 in fig. 1-3 refer to contaminants at different locations, respectively, with the direction of the arrows being the gas flow direction.
Further, the real pollutant concentration C in the room 4 can be further judged according to the pollutant concentration distribution condition. The real pollutant concentration C in the room 4 is a weighted average of the pollutant concentrations Ci at various wind sweeping angles, where C is y1C1+ y2C2+ … … + yiCi, where y1+ y2+ … … + yi is 1. Specifically, when i is 1, Ci is C1. The weight y is related to the sweep angle, the pollutant hazard level, the pollutant concentration, etc.
Further, Ci ═ (C dirt 1, C dirt 2, … …, C dirt k), where Ci is the total contaminant concentration at the ith preset position; c, sewage 1 is the concentration of a first pollutant at the ith preset position; c, sewage 2 is the concentration of a second pollutant at the ith preset position; csewage k is the concentration of the kth pollutant at the ith preset position.
Further, F (C1, … …, Ci); wherein C1 is the total contaminant concentration at the 1 st preset position; ci is the total contaminant concentration at the ith preset position; f is the total contaminant concentration in the chamber 4.
According to an embodiment of the present application, there is provided a purification method of an air conditioner 1, including the steps of:
acquiring the distribution condition of the pollutant concentration of an indoor room 4 where the air conditioner 1 is located;
the purification mode of the air conditioner 1 is determined according to the distribution of the concentration of the pollutants in the room 4.
Further, the step of determining the purification mode of the air conditioner 1 according to the distribution of the concentration of the pollutants in the room 4 comprises the following steps:
and determining the purification wind sweeping angle of the air conditioner 1 according to the distribution condition of the concentration of the pollutants in the room 4.
Further, the purification method of the air conditioner 1 further includes the steps of:
when at least two purification wind sweeping angles exist, determining an operation sequence among the purification wind sweeping angles according to the pollutant concentration of the corresponding position of each purification wind sweeping angle;
and/or determining the purification mode and/or purification time of the second preset position according to the type of the pollutant at the second preset position and the concentration of different types of pollutants.
According to an embodiment of the present application, there is provided a control method of an air conditioner 1, including the steps of:
acquiring the pollutant concentration C of an indoor 4 where the air conditioner 1 is located;
the operation mode of the air conditioner 1 is determined according to the concentration C of the pollutants in the room 4.
Further, the determination of the operation mode of the air conditioner 1 according to the concentration C of the pollutants in the room 4 includes the steps of:
when C < C1 is in advance, controlling the air conditioner 1 to enter a heat exchange mode;
and/or controlling the air conditioner 1 to enter a purification mode when C is larger than or equal to C1; wherein C1 is predetermined to be a first predetermined contaminant concentration;
and/or, when C < C2 is preset, controlling the air conditioner 1 to simultaneously enter a heat exchange mode and a purification mode; wherein C1 is predetermined to be a second predetermined contaminant concentration;
and/or, when C is more than C2, controlling the air conditioner 1 to enter a purification mode; where C2 is predetermined to be the second predetermined contaminant concentration.
And determining the operating parameters of the air conditioner 1 according to the pollutant concentration distribution condition.
The operation parameters include whether or not purification is required, what mode the operation is, the proportion of the purification mode to the air-conditioning mode, the operation parameters and the purification parameters of the air-conditioner 1 corresponding to different pollutant concentration levels in each mode, and the like. 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. A pollutant detection device 2 is arranged in the air conditioner 1 and used for detecting the concentration, the type and the like of pollutants.
In particular, the operation parameter is to judge whether the purification is needed according to the concentration condition of the pollutants.
When C < C1 is in advance, judging that the air in the target area is clean, and directly operating the air conditioner 1 mode without air purification; if C is greater than or equal to C1, the judgment is no, the air in the target area is dirty, and the air conditioner 1 needs to be operated in the purification mode. Wherein C1 is a standard value for determining the concentration of pollutants, preferably 0< C1 and less than or equal to 0.035mg/m 3.
Further, the operation mode of the air conditioner 1 is judged according to the pollutant concentration condition.
When C < C2 is in advance, it is determined that there is pollution in the target area, but the pollution 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 C is larger than C2, if not, it is determined that the target area is polluted and the pollution is serious, and the indoor 4 air is purified by operating the purification mode first, and then the cooling or heating is performed, that is, the purification mode. Wherein C2 is a pollutant concentration judgment standard value, preferably 0< C2 and less than or equal to 0.075mg/m 3.
More specifically, the operation parameter is a purification operation parameter of the air conditioner 1 determined according to the pollutant concentration distribution.
With reference to fig. 5-7, the purification operation parameters are purification parameters such as the purification wind sweeping angle sequence 1-i, the output parameter C1-Ci, the duration T1-Ti and the like of the air conditioner 1 determined according to the pollutant concentration influence sequence C1> … … > Ci under each wind sweeping angle; according to the influence sequence of various pollutants under various angles i, C pollutant 1> … … > C pollutant k
The selection of the cleaning mode of the air conditioner 1 and the sequence of c cleaning 1, … …, c cleaning k, output parameter ci ═ c cleaning 1, … …, c cleaning k ═ duration Ti ═ T cleaning 1, … …, T cleaning k ═ T cleaning 1+ … … + T cleaning k, and total cleaning time T ═ T1+ … … + Ti are determined.
Referring to fig. 8 in combination, the present application further discloses an embodiment of a purification control method for the air conditioner 1.
The air conditioner 1 is a 1.5-piece air conditioner, 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 a wind sweeping mechanism which comprises an upper wind sweeping air deflector, a lower wind sweeping air deflector, a left wind sweeping blade and a right wind sweeping blade and can control and realize 9 wind sweeping angles of positive wind sweeping, upper wind sweeping, lower wind sweeping, left wind sweeping, right wind sweeping, upper left wind sweeping, lower left wind sweeping, upper right wind sweeping and lower right wind sweeping.
And a formaldehyde concentration sensor, a PM2.5 concentration sensor and an ATP bacteria concentration sensor are arranged in the air duct communicated with the air inlet and the air outlet.
The air conditioner 1 has three purification modes of ion purification, HEPA net and active carbon.
The control method comprises the following steps:
1. the air conditioner 1 enters a purification mode.
2. The air conditioner 1 is controlled to run by the wind sweeping mechanism, and swings according to the wind sweeping angle sequence shown in figure 8.
3. And controlling the fan in the air conditioner 1 to be started at the 1 st wind sweeping angle (lower wind sweeping) and to run according to the maximum wind speed vmax.
4. And determining the operation duration t as V/(vmax & alpha 4) by combining the space volume V, the wind speed vmax and the airflow circulation coefficient alpha 1, and controlling an air quality detection unit to detect and obtain the pollutant concentration C1 (C formaldehyde, CPM2.5 and C microorganisms) after a certain time t.
Further, the weight coefficients x1, x2 and x3 are determined by combining currently detected formaldehyde, PM2.5, microorganism concentration, hazard and the like, and the current wind sweeping angle pollutant concentration C1 ═ x formaldehyde C formaldehyde + xpm2.5cpm2.5+ x microorganism C microorganism is calculated, wherein x1+ x2+ x3 is 1.
5. The steps 3-4 are repeated to obtain the pollutant concentrations C1-C9 of the air conditioner 1 at all preset wind sweeping angles, so that the indoor 4 pollutant distribution based on the airflow distribution is determined to be F (C1, … …, C9) ═ F [ (C formaldehyde, CPM2.5, C microorganisms), … …, (C formaldehyde, CPM2.5, C microorganisms) ].
Further, according to the pollutant concentration distribution condition F, the wind sweeping angle, the pollutant hazard grade, the pollutant concentration and the like, the wind sweeping weights y1, y2, … … and y9 are determined, and the real pollutant concentration C of the indoor 4 is calculated to be y1C1+ y2C2+ … … + y9C9, wherein y1+ y2+ … … + y9 is 1.
6. And determining the operating parameters of the air conditioner 1 according to the pollutant concentration distribution condition.
The actual pollutant concentration C of the indoor 4 indicates that C is more than or equal to C1 and C is more than C2, which indicates that the indoor 4 is dirty in air and seriously polluted, and the indoor 4 needs to be purified by firstly operating a purification mode and then is cooled or heated.
Further, the purifying wind sweeping angle precedence order shown in fig. 11 is determined according to the pollutant concentration influence precedence order at each wind sweeping angle, namely C6> C8> C3> C9> C2> C5> C1> C7> C4.
Further, as shown in fig. 10, for each wind sweeping angle, such as the wind sweeping angle 1, due to the C formaldehyde > CPM2.5> C microorganisms, the air conditioner 1 is controlled to perform ion purification and activated carbon mode to mainly solve the formaldehyde problem at the current wind sweeping angle, then perform HEPA net filtration mode to treat the indoor 4PM2.5, and finally eliminate the indoor 4 bacterial microorganisms by ion purification. The corresponding purge output parameter is c1 ═ c ion purge + activated carbon, cpfa, c ion purge, and with reference to fig. 12, the duration is T1 ═ T ion purge + activated carbon + threpa + T ion purge (T ion purge + activated carbon, threpa, T ion purge). Similarly, the purification parameters c2-c9 and the durations T2-T9 at other wind sweeping angles can be determined, and the overall purification time T is T1+ T2+ … … + T9. The sequence of cleaning in fig. 11 is followed.
And controlling the air conditioner 1 to operate the purification mode according to the corresponding operation parameters.
The application also discloses some embodiments, and provides an embodiment of a purification control method of the air conditioner 1 as shown in fig. 7.
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 a wind sweeping mechanism which comprises an upper wind sweeping air deflector, a lower wind sweeping air deflector, a left wind sweeping blade and a right wind sweeping blade and can control and realize 9 wind sweeping angles of positive wind sweeping, upper wind sweeping, lower wind sweeping, left wind sweeping, right wind sweeping, upper left wind sweeping, lower left wind sweeping, upper right wind sweeping and lower right wind sweeping.
And a formaldehyde concentration sensor, a PM2.5 concentration sensor and an ATP bacteria concentration sensor are arranged in the air duct communicated with the air inlet and the air outlet.
The air conditioner 1 has three purification modes of ion purification, HEPA net and active carbon.
The control method comprises the following steps:
1. the air conditioner 1 enters a purification mode.
2. The air conditioner 1 is controlled to run by the wind sweeping mechanism, and swings according to the wind sweeping angle sequence shown in figure 7.
3. And controlling the fan in the air conditioner 1 to be started at the 1 st wind sweeping angle (lower wind sweeping) and to run according to the maximum wind speed vmax.
4. And determining the operation duration t as V/(vmax & alpha 4) by combining the space volume V, the wind speed vmax and the airflow circulation coefficient alpha 1, and controlling an air quality detection unit to detect and obtain the pollutant concentration C1 (C formaldehyde, CPM2.5 and C microorganisms) after a certain time t.
Further, the weight coefficients x1, x2 and x3 are determined by combining currently detected formaldehyde, PM2.5, microorganism concentration, hazard and the like, and the current wind sweeping angle pollutant concentration C1 ═ x formaldehyde C formaldehyde + xpm2.5cpm2.5+ x microorganism C microorganism is calculated, wherein x1+ x2+ x3 is 1.
5. The steps 3-4 are repeated to obtain the pollutant concentrations C1-C9 of the air conditioner 1 at all preset wind sweeping angles, so that the indoor 4 pollutant distribution based on the airflow distribution is determined to be F (C1, … …, C9) ═ F [ (C formaldehyde, CPM2.5, C microorganisms), … …, (C formaldehyde, CPM2.5, C microorganisms) ].
Further, according to the pollutant concentration distribution condition F, the wind sweeping angle, the pollutant hazard grade, the pollutant concentration and the like, the wind sweeping weights y1, y2, … … and y9 are determined, and the real pollutant concentration C of the indoor 4 is calculated to be y1C1+ y2C2+ … … + y9C9, wherein y1+ y2+ … … + y9 is 1.
6. And determining the operating parameters of the air conditioner 1 according to the pollutant concentration distribution condition.
The actual pollutant concentration C of the indoor 4 indicates that C is more than or equal to C1 and C is more than C2, which indicates that the indoor 4 is dirty in air and seriously polluted, and the indoor 4 needs to be purified by firstly operating a purification mode and then is cooled or heated.
Further, the purifying wind sweeping angle precedence order shown in fig. 8 is determined according to the pollutant concentration influence precedence order at each wind sweeping angle, namely C6> C8> C3> C9> C2> C5> C1> C7> C4.
Further, as shown in fig. 9, for each wind sweeping angle, for example, for the wind sweeping at the 1 st wind sweeping angle, the air conditioner 1 is controlled to perform ion purification and activated carbon mode to mainly solve the formaldehyde problem at the current wind sweeping angle, then perform HEPA net filtration mode to treat the indoor 4PM2.5, and finally eliminate the indoor 4 bacterial microorganisms by ion purification. The corresponding purification output parameter is c1 ═ c ion purification + activated carbon, cpfa, c ion purification, and the duration is T1 ═ T ion purification + activated carbon, threpa, T ion purification ═ T ion purification + activated carbon + threpa + T ion purification. Similarly, the purification parameters c2-c9 and the durations T2-T9 at other wind sweeping angles can be determined, and the overall purification time T is T1+ T2+ … … + T9.
7. And controlling the air conditioner 1 to operate the purification mode according to the corresponding operation parameters.
Referring collectively to fig. 13, the present application also discloses some embodiments, wherein C23 ═ C stain 1, C stain 2, … …, C stain k; c23 ═ x1C dirty 1+ x2C dirty 2+ … … + xkC dirty k;
with combined reference to fig. 14, c23 ═ c purge 1, c purge 2, … …, c purge k;
t23 ═ T purge 1, T purge 2, … …, T purge k; the decontamination sequence is performed according to the detection sequence.
According to the embodiment of the application, an air conditioner is provided, and the air conditioner is used for realizing the pollutant detection method; and/or the air conditioner is used for realizing the air conditioner purification method; the air conditioner is used for realizing the air conditioner control method.
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 (14)
1. A pollutant detection method for an air conditioner is characterized by comprising the following steps:
controlling the air conditioner to enter a wind sweeping state;
detecting the pollutant balance time t;
determining the pollutant concentration in the room where the air conditioner is located according to the pollutant balance time t;
the air conditioner pollutant detection method further comprises the following steps:
detecting the distribution of pollutants at each position in the room;
the method for acquiring the pollutant distribution condition of each position in the room comprises the following steps:
acquiring a detection wind sweeping angle corresponding to each position;
sequentially adjusting to each detection wind sweeping angle in the wind sweeping state;
and detecting the pollutant equilibrium concentration at each detection wind sweeping angle.
2. An air conditioner contaminant detection method according to claim 1 wherein said detecting the contaminant distribution at each location within the room comprises the steps of:
acquiring the pollutant equilibrium concentration of each position in the room;
and determining the pollutant distribution condition of each indoor position according to the pollutant equilibrium concentration of each indoor position.
3. The air conditioner contaminant detection method of claim 2, wherein said controlling the air conditioner to enter a windsweeping state comprises the steps of:
and controlling the air conditioner to sweep air at a preset detection sweeping angle, so that the air flow flows from the air outlet of the air conditioner to a position corresponding to the preset detection sweeping angle and then flows back to the air conditioner.
4. An air conditioner contaminant detection method according to claim 1 wherein said determining the contaminant concentration in the room based on the contaminant equilibration time t comprises the steps of: and controlling the air conditioner to operate in a wind sweeping state, and detecting the pollutant concentration when the operation time reaches the pollutant balance time t.
5. The air conditioner contaminant detection method of claim 1, wherein the detecting the contaminant balance time t comprises the steps of:
acquiring the volume V of a space where the air conditioner is located, the wind speed V of a fan of the air conditioner in the wind sweeping state 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.
6. The air conditioner contaminant detection method of claim 5, wherein t ═ f (V, V, α) ═ V/(V · α);
and/or determining the air flow circulation coefficient alpha according to the detected wind sweeping angle.
7. The air conditioner contaminant detection method of claim 1, wherein Ci ═ (C dirt 1, C dirt 2, … …, C dirt k), where Ci is the total contaminant concentration at the ith preset position; c, sewage 1 is the concentration of a first pollutant at the ith preset position; c, sewage 2 is the concentration of a second pollutant at the ith preset position; csewage k is the concentration of the kth pollutant at the ith preset position.
8. An air conditioner contaminant detection method according to claim 7, wherein F (C1, … …, Ci); wherein C1 is the total contaminant concentration at the 1 st preset position; ci is the total contaminant concentration at the ith preset position; f is the total contaminant concentration within the chamber.
9. The air conditioner purifying method is characterized by comprising the following steps:
acquiring the distribution condition of the concentration of pollutants in the room where the air conditioner is located;
controlling the air conditioner to enter a wind sweeping state;
the method for acquiring the pollutant concentration distribution situation of each indoor position comprises the following steps:
acquiring a detection wind sweeping angle corresponding to each position;
sequentially adjusting to each detection wind sweeping angle in the wind sweeping state;
detecting the pollutant equilibrium concentration at each detection wind sweeping angle;
and determining the purification mode of the air conditioner according to the distribution condition of the indoor pollutant concentration.
10. The air conditioner cleaning method according to claim 9, wherein said determining the cleaning mode of the air conditioner according to the distribution of the indoor pollutant concentration comprises the steps of:
and determining the purification wind sweeping angle of the air conditioner according to the distribution condition of the concentration of the indoor pollutants.
11. The air conditioner cleaning method according to claim 10, further comprising the steps of:
when at least two purification wind sweeping angles exist, determining an operation sequence among the purification wind sweeping angles according to the pollutant concentration of the corresponding position of each purification wind sweeping angle;
and/or determining a purification mode and/or purification time for the second preset position according to the type of the pollutant at the second preset position and the concentration of the pollutant of different types.
12. A control method of an air conditioner is characterized by comprising the following steps:
controlling the air conditioner to enter a wind sweeping state;
acquiring the concentration C of pollutants in the room where the air conditioner is located;
the step of obtaining the pollutant concentration C of the room where the air conditioner is located further comprises the following steps:
detecting the pollutant concentration distribution condition of each position in the room;
the method for acquiring the pollutant concentration distribution situation of each indoor position comprises the following steps:
acquiring a detection wind sweeping angle corresponding to each position;
sequentially adjusting to each detection wind sweeping angle in the wind sweeping state;
detecting the pollutant equilibrium concentration at each detection wind sweeping angle;
and determining the operation mode of the air conditioner according to the indoor pollutant concentration C.
13. The method of claim 12, wherein the determining the operation mode of the air conditioner according to the indoor pollutant concentration C comprises the steps of:
when C < C1 is preset, controlling the air conditioner to enter a heat exchange mode;
and/or controlling the air conditioner to enter a purification mode when C is larger than or equal to C1; wherein C1 is predetermined to be a first predetermined contaminant concentration;
and/or when C < C2 is preset, controlling the air conditioner to simultaneously enter a heat exchange mode and a purification mode; wherein C1 is predetermined to be a second predetermined contaminant concentration;
and/or controlling the air conditioner to enter a purification mode when C is more than C2; where C2 is predetermined to be the second predetermined contaminant concentration.
14. An air conditioner, characterized in that the air conditioner is used for implementing the pollutant detection method of any one of claims 1-8; and/or the air conditioner is used for realizing the air conditioner purification method of any one of the claims 9-11; the air conditioner is used for realizing the control method of the air conditioner as claimed in any one of claims 12 to 13.
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