CN111594917A - Air conditioner sterilization method, sterilization device and air conditioner - Google Patents
Air conditioner sterilization method, sterilization device and air conditioner Download PDFInfo
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- CN111594917A CN111594917A CN202010485580.3A CN202010485580A CN111594917A CN 111594917 A CN111594917 A CN 111594917A CN 202010485580 A CN202010485580 A CN 202010485580A CN 111594917 A CN111594917 A CN 111594917A
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor units
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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
- F24F11/56—Remote control
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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
- F24F11/64—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
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature 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
- F24F2110/10—Temperature
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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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)
- Human Computer Interaction (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an air conditioner sterilization method, a sterilization device and an air conditioner, wherein the method is applied to the air conditioner, the air conditioner comprises a plasma generator arranged in an air duct, and the method comprises the following steps: determining first colony information on an evaporator, the first colony information comprising a density of bacteria on the evaporator; determining second bacterial colony information in the air duct, wherein the second bacterial colony information comprises the bacterial density of air in the air duct; controlling a low-temperature self-cleaning process and a high-temperature sterilization process of the evaporator according to the first bacterial colony information; and controlling the sterilization process of the plasma generator according to the second bacterial colony information. This scheme is owing to can adopt the corresponding mode of disinfecting to the bacterial colony distribution condition of difference in the air conditioner, consequently, this scheme can improve the efficiency of disinfecting.
Description
Technical Field
The invention relates to the technical field of air conditioner control, in particular to an air conditioner sterilization method, a sterilization device and an air conditioner.
Background
When the air conditioner is placed for a long time, the inner machine of the air conditioner is easy to gather dust and breed bacteria. In addition, during the operation of the air conditioner, some dirt can be attached to the fins of the evaporator of the internal machine of the air conditioner, and a lot of bacteria, mold and germs can grow on the dirt. Most of the scenes of using the air conditioner by users are in a closed space, so when the air conditioner works, thalli can be quickly dispersed into indoor air under certain conditions, the content of air thalli is increased, and the living health of people is influenced. At present, two sterilization modes of the commonly used air conditioner are available, one is high-temperature sterilization, and the other is ion sterilization, however, the sterilization effects of the two sterilization modes are not obvious.
Disclosure of Invention
The invention solves the problem that the sterilization effect of the air conditioner is not obvious.
In order to solve the above problems, the present application provides an air conditioner sterilization method, which is applied to an air conditioner, the air conditioner includes a plasma generator disposed in an air duct, and the air conditioner sterilization method includes:
determining first colony information on the evaporator, the first colony information comprising a density of bacteria on the evaporator;
determining second bacterial colony information in the air duct, wherein the second bacterial colony information comprises the bacterial density of air in the air duct;
controlling a low-temperature self-cleaning process and a high-temperature sterilization process of the evaporator according to the first bacterial colony information;
and controlling the sterilization process of the plasma generator according to the second bacterial colony information.
In an alternative embodiment, controlling a low-temperature self-cleaning process and a high-temperature sterilization process of the evaporator according to the first colony information includes:
judging whether the density of bacteria on the evaporator exceeds a first preset density;
and if the density of bacteria on the evaporator exceeds a first preset density, controlling the air conditioner to enter an evaporator self-cleaning process and a high-temperature sterilization process.
In an alternative embodiment, the self-cleaning process includes a frosting process and a defrosting process, and the air-conditioning sterilization method further includes determining a first time length of the self-cleaning process and a second time length of the high-temperature sterilization process according to the bacterial density on the evaporator;
controlling the air conditioner to enter an evaporator self-cleaning process and a high-temperature sterilization process, comprising the following steps of:
in a first preset time span, turning off the inner fan, and simultaneously controlling the air conditioner to refrigerate so as to frost the evaporator;
after the evaporator is frosted, controlling the air conditioner to heat so as to defrost the evaporator;
detecting the temperature of the evaporator after defrosting of the evaporator;
and controlling the air conditioner to heat within a second preset time length after the temperature of the evaporator reaches a temperature threshold value, so that the temperature of the evaporator is maintained within a preset temperature range, wherein the temperature threshold value is located within the preset temperature range.
In an alternative embodiment, controlling the air conditioner to heat so as to maintain the temperature of the evaporator within a preset temperature range includes:
and controlling the air conditioner to heat, and simultaneously controlling an inner fan of the air conditioner to operate in a weak wind mode so as to maintain the temperature of the evaporator within a preset temperature range.
In an alternative embodiment, after controlling the air conditioner to enter the self-cleaning process and the high-temperature sterilization process, the air conditioner sterilization method further includes:
and controlling an inner fan of the air conditioner to operate in a high wind mode within a third preset time span.
In an alternative embodiment, controlling the sterilization process of the plasma generator according to the second colony information includes:
judging whether the bacterial density of the air in the air duct exceeds a second preset density;
and if the bacterial density of the air in the air channel exceeds a second preset density, starting the plasma generator to sterilize through the plasma generator.
In an optional embodiment, the air conditioner sterilization method further includes:
determining the working voltage of the plasma generator according to the bacterial density of the air in the air duct;
activating the plasma generator includes activating the plasma generator according to an operating voltage.
In an optional embodiment, the air conditioner sterilization method further includes:
and when the bacterial density of at least the evaporator exceeds a first preset density or the bacterial density of air in the air duct exceeds a second preset density, controlling a display panel of the air conditioner to display a reminding mark and/or sending reminding information to a user terminal, wherein the reminding information comprises the bacterial distribution state on the air conditioner.
In an optional embodiment, the method further comprises receiving an operation instruction whether to sterilize, which is fed back by the user;
and executing the steps of controlling the low-temperature self-cleaning process and the high-temperature sterilization process of the evaporator according to the first bacterial colony information according to the operation instruction.
In a second aspect, an embodiment of the present invention provides an air conditioner sterilization apparatus, which is applied to an air conditioner, where the air conditioner includes a plasma generator disposed in an air duct, and the air conditioner sterilization apparatus includes:
a first determination module for determining first colony information on the evaporator, the first colony information including a density of bacteria on the evaporator;
the second determination module is used for determining second bacterial colony information in the air duct, and the second bacterial colony information comprises the bacterial density of air in the air duct;
the first sterilization module is used for controlling a low-temperature self-cleaning process and a high-temperature sterilization process of the evaporator according to the first bacterial colony information;
and the second sterilization module is used for controlling the sterilization process of the plasma generator according to the second bacterial colony information.
In a third aspect, an embodiment of the present invention provides an air conditioner, where the air conditioner includes a memory and a processor, where the memory stores an executable program, and when the processor executes the executable program, the method according to any one of the foregoing embodiments is implemented.
In the air conditioner sterilization method, the sterilization device and the air conditioner provided by the embodiment, the self-cleaning process of the evaporator is controlled according to the first bacterial colony information on the evaporator and the second bacterial colony information in the air channel, the high-temperature sterilization process of the evaporator and the sterilization process of the plasma generator are controlled, so that the sterilization in the air or the sterilization of the evaporator can be determined according to the respective bacterial colony conditions of the air in the evaporator and the air channel, the sterilization process is more targeted, the sterilization is more thorough, and the sterilization effect of the air conditioner can be improved.
Drawings
Fig. 1 is a schematic block diagram of a structure of an air conditioner according to an embodiment of the present disclosure;
fig. 2 is a block diagram illustrating a structure of an air conditioner according to an embodiment of the present disclosure;
fig. 3 is a first schematic flow chart of a sterilization method of an air conditioner according to an embodiment of the present disclosure;
fig. 4 is a schematic flow chart illustrating a second air conditioner sterilization method according to an embodiment of the present application;
fig. 5 is a block diagram schematically illustrating a structure of an air conditioner sterilization apparatus according to an embodiment of the present application.
Description of reference numerals:
100-an air conditioner; 110-air-conditioning sterilizing device; 111-a first determination module; 112-a second determination module; 113-a first sterilization module; 114-a second sterilization module; 120-a memory; 130-a processor; 210-internal machine controller; 220-plasma generator; 230-a first detection device; 240-second detection means; 250-a display panel; 260-a wireless transceiver module; 270-a user terminal; 280-remote controller.
Detailed Description
When the air conditioner 100 is left for a long time, the air conditioner is prone to gather dust and breed bacteria. In addition, during the operation of the air conditioner 100, some dirt may be firmly attached to the fins of the evaporator of the indoor unit of the air conditioner 100, and many bacteria, mold and germs may grow on the dirt. Most of the scenes of using the air conditioner 100 by users are in a closed space, so when the air conditioner 100 works, the bacteria can be quickly dispersed into indoor air under certain conditions, so that the content of the bacteria in the air is increased, and the living health of people is influenced. At present, there are two sterilization methods for the air conditioner 100, one is high temperature sterilization and the other is ion sterilization, however, the sterilization effect of the two sterilization methods is not obvious.
In order to solve the above problems, the present embodiment provides an air conditioner 100, the air conditioner 100 includes a memory 120 and a processor 130, please refer to fig. 1, fig. 1 is a schematic block diagram of a structure of the air conditioner 100 provided in the embodiments of the present application, the air conditioner 100 includes an air conditioner sterilization device 110, the memory 120 and the processor 130, and the memory 120 and the processor 130 are electrically connected to each other directly or indirectly for data interaction. For example, the components may be electrically connected to each other via one or more communication buses or signal lines. The air conditioner sterilization apparatus 110 includes at least one software function module which may be stored in the memory 120 in the form of software or Firmware (Firmware) or solidified in an Operating System (OS) of the air conditioner 100. The processor 130 is used for executing executable modules stored in the memory 120, such as software functional modules and computer programs included in the air conditioner sterilizer 110.
The air conditioner 100 may further include an indoor unit, an outdoor unit, a plasma generator 220, a first bacterial colony detecting device, and a second bacterial colony detecting device. The indoor unit includes an indoor unit casing, a display panel 250, an evaporator, a motor, and an indoor unit controller 210, and the outdoor unit includes an outdoor unit casing, a condenser, a motor, a compressor, and an outdoor unit controller. It should be noted that the processor 130 in the present embodiment may be an internal machine controller 210 in the air conditioner 100.
Referring to fig. 2, the plasma generator 220 may be disposed in the air duct of the indoor unit, the first detecting device 230 may be disposed near the evaporator for detecting the density of bacteria in the air duct of the air conditioner 100, and the second detecting device 240 may be disposed on the surface of the evaporator for detecting the density of bacteria on the surface of the evaporator. The plasma generator 220, the first detecting device 230 and the second detecting device 240 may be connected to the controller, respectively. In this embodiment, the air conditioner 100 may further include a display panel 250, and the display panel 250 may be disposed on the indoor unit.
The air conditioner 100 provided in this embodiment has a plasma sterilization function, a self-cleaning function, and a high-temperature sterilization function.
Among them, the plasma sterilization function is a process of sterilizing bacteria by plasma, such as cold plasma. The self-cleaning function of the air conditioner 100 is implemented by controlling the air conditioner 100 to operate in a cooling mode and then controlling the air conditioner 100 to operate in a heating mode. The self-cleaning process of the air conditioner 100 is specifically to control the air conditioner 100 to refrigerate, so that the evaporator is frosted; the air conditioner 100 is then controlled to generate heat, so that the evaporator is defrosted, and thus, the liquid generated by defrosting can carry away dirt on the evaporator. The high-temperature sterilization function is a function of the air conditioner 100 operating in a heating mode so that the temperature of the evaporator is maintained at a high temperature, thereby removing bacteria attached to the surface of the evaporator.
The embodiment of the present application further provides a sterilization method for the air conditioner 100, which is applied to the air conditioner 100.
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. 3, fig. 3 is a flowchart illustrating an air conditioner sterilization method according to an embodiment of the present disclosure, in which the air conditioner 100 includes a plasma generator 220 disposed in an air duct, and the air conditioner sterilization method includes steps S110 to S140.
In step S110, first colony information on the evaporator is determined, the first colony information including a density of bacteria on the evaporator.
And step S120, determining second bacterial colony information in the air duct, wherein the second bacterial colony information comprises the bacterial density of the air in the air duct.
And S130, controlling a low-temperature self-cleaning process and a high-temperature sterilization process of the evaporator according to the first bacterial colony information.
Step S140, controlling the sterilization process of the plasma generator 220 according to the second colony information.
In this embodiment, come the automatically cleaning process of evaporimeter according to first bacterial colony information on the evaporimeter and the second bacterial colony information in the wind channel, the high temperature sterilization process of evaporimeter and the sterilization process of control plasma generator 220, thereby can confirm whether disinfect in the air or disinfect to the evaporimeter according to evaporimeter and the wind channel respective bacterial colony condition, thereby it is corresponding to make the sterilization process more have, so make to disinfect more thoroughly, can improve the bactericidal effect of air conditioner 100, improve the quality of room air.
Referring to fig. 4, in the present embodiment, the step S130 optionally includes sub-steps S131 to S132.
Step S131, judging whether the density of bacteria on the evaporator exceeds a first preset density.
In step S132, if the density of bacteria on the evaporator exceeds a first preset density, the air conditioner 100 is controlled to enter a self-cleaning process and a high-temperature sterilization process.
In this embodiment, the first preset density may be a density threshold of bacteria on the evaporator preset by a user according to actual needs, that is, an upper limit of the density of bacteria on the evaporator desired by the user. When the first preset density is set, reference can be made to GB 15982-. For example, the first preset density may be set to 300cfu/m2. In this embodiment, the self-cleaning process and the high-temperature sterilization process of the evaporator are controlled according to the first predetermined density, and when it is detected that the density of bacteria on the evaporator exceeds the first predetermined density, the air conditioner 100 is controlled to enter the self-cleaning process and the high-temperature sterilization process, so as to reduce the density of bacteria in the air blown into the room by the air conditioner 100.
Of course, in this embodiment, if it is detected that the density of bacteria on the evaporator is lower than the first preset density, the step S110 may be continuously performed.
Optionally, in this embodiment, the self-cleaning process includes a frosting process and a defrosting process, and the method further includes determining a first time length of the self-cleaning process and a second time length of the high-temperature sterilization process according to the density of bacteria on the evaporator.
Controlling the air conditioner 100 to enter an evaporator self-cleaning process and a high-temperature sterilization process, including turning off an inner fan within a first preset time period, and simultaneously controlling the air conditioner 100 to refrigerate so as to frost an evaporator; after the evaporator is frosted, controlling the air conditioner 100 to heat so as to defrost the evaporator; detecting the temperature of the evaporator after defrosting of the evaporator; and controlling the air conditioner 100 to heat within a second preset time length after the temperature of the evaporator reaches the temperature threshold value, so that the temperature of the evaporator is maintained within a preset temperature range, wherein the temperature threshold value is within the preset temperature range. The temperature threshold may be determined according to the temperature at which bacteria can be inactivated, for example, the temperature threshold may be set to 57 degrees celsius; the preset temperature range may also be determined according to the temperature at which bacteria and the like are inactivated, and for example, may be set to more than 57 degrees celsius.
In this embodiment, the inner fan, i.e., the fan of the inner unit of the air conditioner 100, controls the frosting process of the evaporator according to the conditions of bacteria and the like on the surface of the evaporator, so that the sterilization on the evaporator can be more thorough. In the high-temperature sterilization process, the high-temperature sterilization process is controlled to be maintained for a second preset time length, and the second preset time length can be determined according to the inactivation time of the bacteria in the temperature corresponding to the high-temperature sterilization, so that the second preset time length is greater than the inactivation time of the bacteria in the temperature corresponding to the high-temperature sterilization. Therefore, the evaporator can be exposed for a long time under the high-temperature condition, so that the sterilization is more thorough, the sterilization rate is improved, and the quality of indoor air is further improved.
Referring to fig. 4, optionally, in the present embodiment, the step S140 includes steps S141 to S142.
Step S141, determining whether the bacteria density of the air in the air duct exceeds a second predetermined density.
In step S142, if the bacteria density of the air in the air duct exceeds a second preset density, the plasma generator 220 is activated to sterilize the air by the plasma generator 220.
In this embodiment, the second preset density may be a threshold value of the density of bacteria in the air preset by the user according to actual needs, that is, an upper limit value of the density of bacteria in the air desired by the user. When the second preset density is set, reference can be made to GB 15982-. For example, the second preset density may be set to 300cfu/m3. In this embodiment, the sterilization process of the plasma generator 220 is controlled according to the second preset density, and when it is detected that the bacteria density of the air in the air duct exceeds the second preset density, the plasma generator 220 is started to generate plasma for sterilization, so that the density of bacteria in the air blown into the room by the air conditioner 100 is reduced, and the quality of the indoor air is improved.
Of course, in this embodiment, if it is detected that the density of bacteria in the air is lower than the second preset density, the step S120 may be continuously performed.
Optionally, in this embodiment, the air conditioner sterilization method further includes determining an operating voltage of the plasma generator 220 according to the bacterial density of the air in the air duct; activating plasma generator 220 includes activating plasma generator 220 based on an operating voltage.
In this embodiment, since the sterilization rate of the plasma generator 220 is related to the plasma generated by the plasma generator 220, and the number of the plasma is related to the operating voltage of the plasma generator 220, in this embodiment, the operating voltage of the plasma generator 220 is determined according to the bacterial density of the air in the air duct, and the operating voltage corresponding to the bacterial density of the air in the air duct can be determined, so as to start the plasma generator 220 according to the operating voltage, that is, the plasma generator 220 is operated at the determined operating voltage, thereby further improving the sterilization effect of the plasma generator 220.
Optionally, in this embodiment, controlling the air conditioner 100 to heat so as to maintain the temperature of the evaporator within the preset temperature range includes controlling the air conditioner 100 to heat, and controlling an inner fan of the air conditioner 100 to operate in a weak wind mode so as to maintain the temperature of the evaporator within the preset temperature range. That is, in the high-temperature sterilization process, the inner fan is turned on and operated in the weak wind mode.
In the weak wind mode, the operation speed of the inner fan may be a first preset speed.
In this embodiment, in the high-temperature sterilization process, the inner fan is controlled to operate in the weak wind mode, so that bacteria on the surface of the evaporator can be prevented from being carried away when the air flowing speed is high, and the sterilization effect of the air conditioner 100 is further improved.
Optionally, in this embodiment, after controlling the air conditioner 100 to enter the self-cleaning process and the high-temperature sterilization process, the method further includes controlling the internal fan of the air conditioner 100 to operate in the high-air mode for a third preset time period.
In this embodiment, in the high wind mode, the operation speed of the inner fan may be a second preset speed, where the second preset speed is greater than the first preset speed. The inner fan of the air conditioner 100 is controlled to operate in the high wind mode within the third preset time period, so that the flow of air can be accelerated, and the plasma ionization sterilization speed can be increased.
After the passage process is completed, the entire sterilization process can be completed. At this time, the internal machine controller 210 receives the signal of the sterilization completion, and turns off the plasma generator 220 to complete the plasma sterilization when the plasma generator 220 is turned on, and at the same time, may control the display panel 250 to display a completion flag of the sterilization completion. Of course, a completion message indicating completion of sterilization may be sent to the user terminal 270 to remind the user of completion of sterilization.
Optionally, in this embodiment, the air conditioner sterilization method further includes, when at least the density of bacteria on the evaporator exceeds a first preset density, or the density of bacteria in the air duct exceeds a second preset density, controlling the display panel 250 of the air conditioner 100 to display a reminding mark and/or sending a reminding message to the user terminal 270, where the reminding message includes a distribution state of bacteria on the air conditioner 100.
Specifically, when the density of bacteria in the air duct exceeds the second preset density, or the density of bacteria on the evaporator exceeds the first preset density, or the density of bacteria in the air duct exceeds the second preset density and the density of bacteria on the evaporator exceeds the first preset density, the following embodiments may be adopted, and in one possible embodiment, the display panel 250 of the air conditioner 100 is controlled to display the reminding mark. In another possible embodiment, a reminder is sent to the user terminal 270. In yet another possible embodiment, the display panel 250 of the air conditioner 100 is controlled to display the reminder indication and the reminder information is sent to the user terminal 270. In this embodiment, the display panel 250 of the air conditioner 100 displays the reminding mark and sends the reminding information to the user terminal 270, so as to prompt the user that the bacterial density exceeds the standard, and thus, to give an alarm.
Of course, in this embodiment, after the sterilization is completed, the signal that the sterilization is completed may also be displayed through the display panel 250 of the internal unit, the signal that the sterilization is completed may also be sent to the user terminal 270, and the signal that the sterilization is completed may also be displayed through the display panel 250 of the internal unit and be synchronized to the user terminal 270.
Optionally, in this embodiment, the method further includes controlling the display panel 250 of the air conditioner 100 to display a reminding mark and/or sending a reminding message to the user terminal 270 when at least the density of bacteria on the evaporator exceeds a third preset density or the density of bacteria in the air duct exceeds a fourth preset density, where the reminding message includes the distribution state of bacteria on the air conditioner 100.
The third preset density is smaller than the first preset density, and the fourth preset density is smaller than the second preset density. For example, when the first preset density is 300cfu/m, the third preset density may be 150 cfu/m. When the second preset density is 300cfu/m, the fourth preset density may be 150 cfu/m.
Specifically, when the density of bacteria on the evaporator exceeds a third preset density, or when the density of bacteria in the air duct exceeds a fourth preset density, or when the density of bacteria on the evaporator exceeds the third preset density and the density of bacteria in the air duct exceeds the fourth preset density, the following embodiments may be adopted, and in one possible embodiment, the display panel 250 of the air conditioner 100 is controlled to display the warning mark. In another possible embodiment, a reminder is sent to the user terminal 270. In yet another possible embodiment, the display panel 250 of the air conditioner 100 is controlled to display the reminder indication and the reminder information is sent to the user terminal 270.
Optionally, in a possible implementation, the method further includes receiving an operation instruction whether to perform sterilization, which is fed back by the user.
The operation command may be issued by a user through the remote control 280 of the air conditioner 100 or by the user through the user terminal 270, for example, the operation command may be issued by the user according to the remote control 280 and an application program of the user terminal. The operation command is used to control the sterilization process of the air conditioner 100, and for example, the operation command can control the sterilization process to start and end by itself.
And executing the steps of controlling the low-temperature self-cleaning process and the high-temperature sterilization process of the evaporator according to the first bacterial colony information according to the operation instruction.
That is, in the present embodiment, the step of controlling the low-temperature self-cleaning process and the high-temperature sterilization process of the evaporator according to the first colony information is performed only when the user's operation command is to perform the sterilization operation.
In the embodiment, the sterilization process is controlled according to the operation instruction fed back by the user by receiving the operation instruction fed back by the user, so that the sterilization process can better meet the requirements of the user, and the user experience is improved.
In this embodiment, when the air conditioner 100 is in the sterilization process (plasma sterilization process, or self-cleaning process, or high-temperature sterilization process), the air conditioner 100 may only perform the shutdown command, that is, if the user sends a command to operate the air conditioner 100 in another mode through the remote controller 280, the user terminal 270, or the like of the air conditioner 100, the air conditioner 100 may not perform. If the air conditioner 100 is suddenly powered off during the sterilization process resulting in the end of the sterilization process, the air conditioner 100 may perform in a previously memorized mode when being powered on again.
Referring to fig. 5, an embodiment of the present application further provides an air-conditioning sterilizing device 110, where the air-conditioning sterilizing device 110 includes a first determining module 111, a second determining module 112, a first sterilizing module 113, and a second sterilizing module 114. The air conditioner sterilizer 110 includes a software function module which may be stored in the memory 120 in the form of software or firmware or may be solidified in an Operating System (OS) of the air conditioner 100.
A first determination module 111 for determining first colony information on the evaporator, the first colony information comprising a density of bacteria on the evaporator.
The first determining module 111 in the present embodiment is used to execute step S110, and the detailed description about the first determining module 111 may refer to the description about step S110.
And a second determining module 112, configured to determine second bacterial colony information in the air duct, where the second bacterial colony information includes a bacterial density of air in the air duct.
The second determining module 112 in the present embodiment is used to execute step S120, and the detailed description about the second determining module 112 may refer to the description about step S120.
And the first sterilization module 113 is used for controlling the low-temperature self-cleaning process and the high-temperature sterilization process of the evaporator according to the first bacterial colony information.
The first sterilization module 113 in the present embodiment is used to perform step S130, and the detailed description about the first sterilization module 113 may refer to the description about step S130.
And a second sterilization module 114 for controlling the sterilization process of the plasma generator 220 according to the second colony information.
The second sterilization module 114 in this embodiment is used to perform step S140, and the detailed description about the second sterilization module 114 may refer to the description about step S140.
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 (11)
1. A sterilization method for an air conditioner is characterized by being applied to the air conditioner which comprises a plasma generator arranged in an air duct, and the method comprises the following steps:
determining first colony information on an evaporator, the first colony information comprising a density of bacteria on the evaporator;
determining second bacterial colony information in the air duct, wherein the second bacterial colony information comprises bacterial density of air in the air duct;
controlling a low-temperature self-cleaning process and a high-temperature sterilization process of the evaporator according to the first bacterial colony information;
and controlling the sterilization process of the plasma generator according to the second bacterial colony information.
2. The air conditioner sterilization method according to claim 1, wherein the controlling of the low-temperature self-cleaning process and the high-temperature sterilization process of the evaporator according to the first colony information includes:
judging whether the density of bacteria on the evaporator exceeds a first preset density;
and if the density of bacteria on the evaporator exceeds a first preset density, controlling the air conditioner to enter an evaporator self-cleaning process and a high-temperature sterilization process.
3. The air conditioner sterilization method according to claim 2, wherein the self-cleaning process includes a frosting process and a defrosting process, the method further comprising determining a first time length of the self-cleaning process and a second time length of the high temperature sterilization process according to the density of bacteria on the evaporator;
the control of the air conditioner to enter an evaporator self-cleaning process and a high-temperature sterilization process comprises the following steps:
in a first preset time span, turning off an inner fan, and simultaneously controlling the air conditioner to refrigerate so as to frost the evaporator;
after an evaporator is frosted, controlling the air conditioner to heat so as to defrost the evaporator;
detecting the temperature of the evaporator after defrosting of the evaporator;
and controlling the air conditioner to heat within a second preset time length after the temperature of the evaporator reaches a temperature threshold value, so that the temperature of the evaporator is maintained within a preset temperature range, wherein the temperature threshold value is located within the preset temperature range.
4. The air conditioner sterilization method according to claim 3, wherein the controlling of the air conditioner heating to maintain the temperature of the evaporator within a preset temperature range comprises:
and controlling the air conditioner to heat, and simultaneously controlling an inner fan of the air conditioner to operate in a weak air mode so as to maintain the temperature of the evaporator within a preset temperature range.
5. The air conditioner sterilization method as claimed in claim 2, wherein after controlling the air conditioner to enter a self-cleaning process and a high temperature sterilization process, the air conditioner sterilization method further comprises:
and controlling an inner fan of the air conditioner to operate in a high wind mode within a third preset time span.
6. The air conditioner sterilization method according to any one of claims 1 to 5, wherein the controlling of the sterilization process of the plasma generator according to the second colony information comprises:
judging whether the bacterial density of the air in the air duct exceeds a second preset density;
and if the bacterial density of the air in the air duct exceeds a second preset density, starting the plasma generator to sterilize through the plasma generator.
7. The air conditioner sterilization method according to claim 6, further comprising:
determining the working voltage of the plasma generator according to the bacterial density of the air in the air duct;
the activating the plasma generator includes activating the plasma generator according to the operating voltage.
8. The air conditioner sterilization method according to claim 6, further comprising:
and when the bacterial density of at least the evaporator exceeds a first preset density or the bacterial density of the air in the air duct exceeds a second preset density, controlling a display panel of the air conditioner to display a reminding mark and/or sending reminding information to a user terminal, wherein the reminding information comprises the bacterial distribution state on the air conditioner.
9. The air conditioner sterilization method according to claim 8, further comprising receiving an operation instruction whether to perform sterilization fed back by a user;
and executing a low-temperature self-cleaning process and a high-temperature sterilization process of the evaporator according to the first colony information according to the operation instruction.
10. The utility model provides an air conditioner sterilizing equipment which characterized in that is applied to the air conditioner, the air conditioner is including setting up the plasma generator in the wind channel, air conditioner sterilizing equipment includes:
a first determination module to determine first colony information on an evaporator, the first colony information including a density of bacteria on the evaporator;
the second determination module is used for determining second bacterial colony information in the air duct, and the second bacterial colony information comprises bacterial density of air in the air duct;
the first sterilization module is used for controlling a low-temperature self-cleaning process and a high-temperature sterilization process of the evaporator according to first bacterial colony information;
and the second sterilization module is used for controlling the sterilization process of the plasma generator according to the second bacterial colony information.
11. An air conditioner, comprising a memory having stored therein an executable program and a processor that, when executing the executable program, implements the method of any one of claims 1-9.
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Application publication date: 20200828 |