CN111156646B - Air conditioner sterilization control method and device, storage medium and air conditioner - Google Patents

Air conditioner sterilization control method and device, storage medium and air conditioner Download PDF

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Publication number
CN111156646B
CN111156646B CN201911302794.6A CN201911302794A CN111156646B CN 111156646 B CN111156646 B CN 111156646B CN 201911302794 A CN201911302794 A CN 201911302794A CN 111156646 B CN111156646 B CN 111156646B
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China
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air conditioner
air
germicidal lamp
air duct
sterilize
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CN111156646A (en
Inventor
李和坤
李岗
蒋权裕
王朋政
蔡勋涛
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • 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
    • 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
    • F24F11/52—Indication arrangements, e.g. displays
    • 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
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides an air conditioner sterilization control method, an air conditioner sterilization control device, a storage medium and an air conditioner, wherein the method comprises the following steps: a UV germicidal lamp is arranged in an air duct of the air conditioner indoor unit, and the method comprises the following steps: and when the air conditioner is started or a sterilization command is received in the running process of the air conditioner, the UV germicidal lamp is started to sterilize the air duct inside the air conditioner indoor unit. The scheme provided by the invention can realize sterilization of the air duct inside the air conditioner indoor unit.

Description

Air conditioner sterilization control method and device, storage medium and air conditioner
Technical Field
The invention relates to the field of control, in particular to an air conditioner sterilization control method and device, a storage medium and an air conditioner.
Background
The air conditioner is generally sterilized by adopting a method of installing cold plasma or UV (ultraviolet) lamps at an air inlet or installing cold plasma at an air outlet, the prior art cannot sterilize the inner parts of an air duct of the air conditioner, such as fan blades, the air duct, the inner side of an evaporator and the like, and the parts are frequently serious disaster areas for bacteria nourishing, so that the body health of a user is influenced.
Disclosure of Invention
The main purpose of the present invention is to overcome the above-mentioned defects in the prior art, and to provide a sterilization control method and device for an air conditioner, a storage medium, and an air conditioner, so as to solve the problem that the inside of an air duct of an air conditioner cannot be sterilized in the prior art.
The invention provides an air conditioner sterilization control method, wherein a UV (ultraviolet) germicidal lamp is arranged in an air duct of an air conditioner indoor unit, and the method comprises the following steps: and when the air conditioner is started or a sterilization command is received in the running process of the air conditioner, the UV germicidal lamp is started to sterilize the air duct inside the air conditioner indoor unit.
Optionally, the method further comprises: before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, controlling an indoor fan of the air conditioner to operate according to a first target rotating speed; and when the rotating speed of the indoor fan reaches the first target rotating speed, the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner indoor unit.
Optionally, the method further comprises: before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, detecting whether bacteria in the interior of the air duct exceed a preset threshold value; and if the bacteria content is detected to exceed the preset threshold value, the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner indoor unit.
Optionally, the method further comprises: when the air conditioner is started, before detecting whether the bacteria content in the air duct exceeds a preset threshold value, controlling an inner fan of the air conditioner to operate according to a second target rotating speed; controlling an inner fan of the air conditioner to stop running after the inner fan is controlled to run for a first preset time according to a second target rotating speed; and after controlling the inner fan to stop running for a second preset time, detecting whether the content of bacteria in the air duct exceeds a preset threshold value.
Optionally, when the air conditioner is started, when the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner internal unit, the outdoor fan, the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner internal unit are kept in a closed state; and/or when a sterilization command is received in the running process of the air conditioner, before the UV germicidal lamp is turned on to sterilize the air duct inside the air conditioner indoor unit, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are/is turned off.
Optionally, the method further comprises: after the time for starting the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner internal unit reaches a first duration time, the UV germicidal lamp is turned off; and/or detecting whether the content of bacteria in the air duct exceeds a preset threshold value or not after the UV germicidal lamp is turned off; if the content of the bacteria is detected to exceed the preset threshold, displaying prompt information that the bacteria exceed the standard; and/or controlling the air conditioner to operate in a dehumidification mode for a second duration after the UV germicidal lamp is turned off.
The invention provides a sterilization control device of an air conditioner, a UV germicidal lamp is arranged in an air duct of an indoor unit of the air conditioner, and the device comprises: and the control unit is used for starting the UV sterilizing lamp to sterilize the air duct interior of the air conditioner when the air conditioner is started or receives a sterilization command in the running process of the air conditioner.
Optionally, the control unit is further configured to: before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, controlling an indoor fan of the air conditioner to operate according to a first target rotating speed; and when the rotating speed of the indoor fan reaches the first target rotating speed, the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner indoor unit.
Optionally, the method further comprises: the detection unit is used for detecting whether the content of bacteria in the air duct exceeds a preset threshold value or not before the control unit starts the UV germicidal lamp to sterilize the air duct interior of the air conditioner indoor unit; the control unit is further configured to: and if the detection unit detects that the bacteria content exceeds the preset threshold value, the UV germicidal lamp is started to sterilize the air duct interior of the air conditioner indoor unit.
Optionally, the control unit is further configured to: when the air conditioner is started, before the detection unit detects whether the bacteria content in the air duct exceeds a preset threshold value, controlling an inner fan of the air conditioner to operate according to a second target rotating speed; controlling an inner fan of the air conditioner to stop running after the inner fan is controlled to run for a first preset time according to a second target rotating speed; the detection unit is further configured to: and after the control unit controls the inner fan to stop running for a second preset time, detecting whether the content of bacteria in the air duct exceeds a preset threshold value.
Optionally, the control unit is further configured to: when the air conditioner is started, when the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, the outdoor fan, the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are kept in a closed state; and/or the control unit is further configured to: when a sterilization command is received in the operation process of the air conditioner, before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are/is turned off.
Optionally, the control unit is further configured to: after the time for starting the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner internal unit reaches a first duration time, the UV germicidal lamp is turned off; and/or the detection unit is further configured to: after the control unit turns off the UV germicidal lamp, detecting whether the content of bacteria in the air duct exceeds a preset threshold value; the device, still include: the display unit is used for displaying prompt information that bacteria exceed the standard if the detection unit detects that the content of the bacteria exceeds the preset threshold; and/or the control unit is further configured to: and after the UV germicidal lamp is turned off, controlling the air conditioner to operate in a dehumidification mode for a second duration.
A further aspect of the invention provides a storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of any of the methods described above.
Yet another aspect of the present invention provides an air conditioner comprising a processor, a memory, and a computer program stored on the memory and operable on the processor, wherein the processor implements the steps of any of the methods described above when executing the program.
The invention further provides an air conditioner which comprises the air conditioner sterilization control device.
According to the technical scheme of the invention, the UV germicidal lamp is arranged in the air duct of the air conditioner indoor unit, so that the interior of the air duct of the air conditioner indoor unit can be sterilized; according to the technical scheme of the invention, when the interior of the air duct of the air conditioner indoor unit is sterilized, a closed environment can be formed by keeping the air inlet grille and the air outlet air deflector in a closed state, so that the interior of the air duct of the air conditioner is sterilized more thoroughly; according to the technical scheme, when the air duct interior of the air conditioner is sterilized, the indoor fan is enabled to operate according to the first target rotating speed, so that air in the air duct can move at a low speed in the sterilization process, bacteria in a space which cannot be irradiated by the UV sterilization lamp can be killed, and meanwhile, the problem that the back of the fan blade cannot be sterilized after ultraviolet rays are shielded is solved; according to the technical scheme of the invention, before the sterilization of the interior of the air duct is carried out, whether the content of bacteria in the air duct exceeds the standard or not is detected, so that the sterilization is not needed when the content of bacteria does not exceed the standard, and before the content of bacteria exceeds the standard or not, the inner fan motor is driven to operate at a high speed (according to a second target rotating speed), so that the air in the evaporator, the fan blades and the air duct is disturbed, bacteria can be uniformly distributed in the closed air duct, and the detection of the content of bacteria is more accurate; according to the technical scheme of the invention, after the UV germicidal lamp is turned off after the sterilization is finished, the air conditioner is operated according to a dehumidification mode, so that killed bacteria can be discharged to the outside through condensed water.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic method diagram of an embodiment of a sterilization control method for an air conditioner internal unit provided by the invention;
fig. 2 is a schematic method diagram of another embodiment of the sterilization control method for the air conditioner internal unit provided by the invention;
fig. 3 is a schematic method diagram of a sterilization control method for an air conditioner internal unit according to still another embodiment of the present invention;
fig. 4 is a schematic method diagram of a sterilization control method for an air conditioner internal unit according to still another embodiment of the present invention;
fig. 5 is a schematic method diagram of a sterilization control method for an air conditioner internal unit according to still another embodiment of the present invention;
fig. 6 is a schematic method diagram of an embodiment of a sterilization control method for an air conditioner internal unit according to the present invention;
fig. 7 is a schematic method diagram of another embodiment of the sterilization control method for the air conditioner internal unit provided by the invention;
fig. 8 is a schematic structural diagram of an embodiment of an air conditioner sterilization control device provided by the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides a sterilization control method for an air conditioner indoor unit. The air conditioner indoor unit comprises an ultraviolet germicidal lamp arranged in an air duct, for example, a surface mount Ultraviolet (UV) germicidal lamp is arranged at the bottom shell of the air duct. Optionally, the air conditioner internal unit further includes an air inlet air guide grid (preferably a fully closed air guide grid), an air outlet air guide plate (preferably a fully closed air guide plate), a fan, an evaporator assembly, a bacteria detection module, and the like.
The invention provides a sterilization control method for an air conditioner indoor unit. The air conditioner indoor unit is characterized in that a UV bactericidal lamp is arranged in an air duct of the air conditioner indoor unit, for example, a surface-mounted Ultraviolet (UV) bactericidal lamp is arranged at the bottom shell of the air duct. The control method comprises the following steps: and when the air conditioner is started or a sterilization command is received in the running process of the air conditioner, the UV germicidal lamp is started to sterilize the air duct inside the air conditioner indoor unit.
Fig. 1 is a schematic method diagram of an embodiment of a sterilization control method for an air conditioner internal unit provided by the invention.
As shown in fig. 1, according to an embodiment of the present invention, the sterilization control method includes at least step S110 and step S120.
And step S110, when the air conditioner is started or a sterilization command is received in the running process of the air conditioner, the UV sterilization lamp is turned on to sterilize the air duct interior of the air conditioner internal unit.
Specifically, when the air conditioner is started, that is, before the air conditioner does not start to operate, for example, before a compressor of the air conditioner is not started, the UV germicidal lamp is turned on to sterilize the interior of an air duct of the air conditioner internal unit; or when the sterilization order that the user sent is received in the operation of air conditioner, for example, the user just receives the sterilization order when opening the inside function of disinfecting of wind channel through mobile terminal APP, remote controller or control panel, opens the UV bactericidal lamp is right air conditioner internal unit carries out the inside sterilization of wind channel.
Preferably, when the air conditioner is started, when the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner internal unit, the outdoor fan, the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner internal unit are kept in a closed state. More preferably, before the UV germicidal lamp is not turned on for carrying out the interior sterilization of the air duct, the outdoor fan and the compressor of the air conditioner are not turned on, and the air inlet grille and the air outlet air deflector of the air conditioner are kept in the initial closed state.
When a sterilization command is received in the operation process of the air conditioner, before the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner indoor unit, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are/is turned off, namely, when the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner indoor unit, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are/is kept in a turned-off state. More preferably, before the UV germicidal lamp is not turned on for carrying out the interior sterilization of the air duct, an outdoor fan and a compressor of the air conditioner are turned off, and an air inlet grille and an air outlet air deflector of the air conditioner are turned off.
When the UV germicidal lamp is turned on to sterilize the air duct inside the air conditioner indoor unit, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are kept in a closed state, a closed environment can be formed, and the sterilization inside the air duct of the air conditioner is more thorough.
And step S120, after the time for sterilizing the air duct interior of the air conditioner indoor unit by turning on the UV sterilizing lamp reaches a first duration time, turning off the UV sterilizing lamp.
The first duration time T1 is the preset duration time for sterilizing the inside of the air duct of the air conditioner indoor unit by using the UV germicidal lamp. And when the duration of the time for starting the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner reaches T1, the UV lamp is turned off.
According to the embodiment of the invention, the UV germicidal lamp is arranged in the air duct of the air conditioner, so that the interior of the air duct of the air conditioner is sterilized.
Fig. 2 is a schematic method diagram of another embodiment of the sterilization control method for the air conditioner internal unit provided by the invention.
As shown in fig. 2, according to another embodiment of the present invention, the control method may further include step S106.
And S106, before the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner internal unit, controlling an indoor fan of the air conditioner to operate according to a first target rotating speed.
And when the rotating speed of the indoor fan reaches the first target rotating speed, turning on the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner indoor unit, namely executing the step S110.
Specifically, when the air conditioner is started, before the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner internal unit, the indoor fan of the air conditioner is controlled to operate according to a first target rotating speed. And after the rotating speed of the indoor fan reaches the first target rotating speed, the UV sterilizing lamp is turned on to sterilize the inside of the air duct of the air conditioner.
When a sterilization command is received in the running process of the air conditioner, the rotating speed of an indoor fan of the air conditioner is adjusted to be a first target rotating speed, and after the rotating speed of the indoor fan reaches the first target rotating speed, a UV sterilization lamp is turned on to sterilize the inside of an air duct of the air conditioner. Preferably, after the rotating speed of the indoor fan of the air conditioner is adjusted to a first target rotating speed, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the indoor fan of the air conditioner are/is closed, and then the UV germicidal lamp is turned on to sterilize the interior of the air duct of the indoor fan of the air conditioner.
The value range of the first target rotation speed may specifically include: 350 to 450 rpm. For example, the rotating speed of the inner fan is adjusted to be about 400 revolutions, so that the cross-flow fan blade runs at a low speed, air in the air duct can move at a low speed in the sterilization process, bacteria in the space which cannot be irradiated by the UV sterilization lamp are killed, and meanwhile, the problem that the back of the fan blade cannot be sterilized after the ultraviolet rays are shielded is solved.
Fig. 3 is a schematic method diagram of a sterilization control method for an air conditioner internal unit according to still another embodiment of the present invention.
As shown in fig. 3, according to still another embodiment of the present invention, the control method may further include step S102.
Step S102, before the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner internal unit, whether the bacteria content in the air duct interior exceeds a preset threshold value is detected.
And if the bacteria content is detected to exceed the preset threshold value, the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner indoor unit, namely step S110 is executed.
Specifically, opening UV bactericidal lamp right before air conditioner internal unit carries out the inside sterilization in wind channel, detect whether the inside bacterial content in wind channel exceeds and predetermines the threshold value, bacterial content specifically can be the bacterial colony number in the air of unit volume, is detecting bacterial content exceedes under the condition of predetermineeing the threshold value, just opens UV bactericidal lamp is right air conditioner internal unit carries out the inside sterilization in wind channel, if bacterial content does not exceed and predetermine the threshold value, then need not right the air conditioner carries out the inside sterilization in wind channel.
Preferably, when the air conditioner is started, before detecting whether the bacteria content in the air duct exceeds a preset threshold value, controlling an inner fan of the air conditioner to operate at a second target rotating speed; controlling an inner fan of the air conditioner to stop running after the inner fan is controlled to run for a first preset time according to a second target rotating speed; and after controlling the inner fan to stop running for a second preset time, detecting whether the content of bacteria in the air duct exceeds a preset threshold value.
For example, when a user starts up the air conditioner and uses the air conditioner, the inner fan motor is driven to operate at a high speed (according to a second target rotating speed), at the moment, the air inlet air guide grid and the air outlet air guide plate are both in an initial closed state, and the air in the evaporator, the fan blades and the air channel is disturbed, so that bacteria are uniformly distributed in the closed air channel. The internal fan operates for 5s and then controls the fan motor to stop operating, and after 2s, when the bacteria in the air duct are in a stable state, the bacteria detection module arranged in the air duct is started to detect whether the content of the bacteria in the air duct exceeds a preset threshold value.
Optionally, when the air conditioner is started, if it is detected that the bacterial content does not exceed the preset threshold, the air conditioner is controlled to operate according to a preset mode, where the preset mode is an operation mode set by a user or a default operation mode in a non-set condition. And when the air conditioner is started, if the bacteria content is detected not to exceed the preset threshold value, displaying a corresponding prompt, and determining whether to continue to sterilize the air duct interior of the air conditioner. For example, the user is prompted whether the current bacterial content exceeds the standard or not, and if the user confirms that the sterilization is continued, the UV sterilization lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit.
Fig. 4 is a schematic method diagram of a sterilization control method for an air conditioner internal unit according to still another embodiment of the present invention.
As shown in fig. 4, according to still another embodiment of the present invention, the control method may further include step S130 and step S140.
And step S130, after the UV germicidal lamp is turned off, detecting whether the bacteria content in the air duct exceeds a preset threshold value.
And step S140, if the bacteria content is detected to exceed the preset threshold, displaying prompt information that the bacteria exceed the standard.
For example, when the air conditioner is started to sterilize the air duct of the air conditioner, after the UV germicidal lamp is turned off for 2s, the bacteria detection module detects whether the bacteria content in the air duct exceeds a preset threshold, and if the bacteria content exceeds the preset threshold, the prompt message that the bacteria exceed the standard is displayed, and meanwhile, the air conditioner can be controlled to operate according to a preset mode, wherein the preset mode is an operation mode set by a user or a default operation mode under the condition that the operation mode is not set.
Fig. 5 is a schematic method diagram of a sterilization control method for an air conditioner internal unit according to still another embodiment of the present invention.
As shown in fig. 5, according to still another embodiment of the present invention, the control method may further include step S150.
And S150, after the UV germicidal lamp is turned off, controlling the air conditioner to operate for a second duration time according to a dehumidification mode.
Specifically, after the UV germicidal lamp is turned off, the air inlet grille and the air outlet air deflector of the air conditioner internal unit are controlled to be opened so as to drive the air conditioner to operate in a dehumidification mode, and killed bacteria are discharged outdoors through condensed water. After the dehumidification mode lasts for time T2, the sterilization function inside the air duct is completed. After the sterilization of the interior of the air duct is completed, the air conditioner is controlled to operate according to a preset mode, wherein the preset mode is an operation mode set by a user or a default operation mode under the condition that the operation mode is not set, for example, the operation mode set by the user through a remote controller.
Optionally, in the bacteria detection process and/or the sterilization process, if the internal sterilization function needs to be finished in advance, the internal sterilization function of the air duct can be directly closed through the remote controller, and the air conditioner is controlled to operate according to a preset mode.
In order to clearly illustrate the technical solution of the present invention, an execution flow of the sterilization control method for the air conditioner internal unit according to the present invention is described below with a specific embodiment.
Fig. 6 is a schematic method diagram of an embodiment of a sterilization control method for an air conditioner internal unit according to the present invention. As shown in fig. 6, the sterilization control of the air conditioner internal unit when the air conditioner is turned on includes steps S201 to S212.
In step S201, the user starts to use the air conditioner.
And step S202, controlling the inner fan to operate at a high speed (according to a second target rotating speed). At the moment, the air inlet fully-closed air guide grid and the air outlet fully-closed air guide plate are both in an initial closed state, and the operation of the inner fan can disturb the evaporator, the fan blades and the air in the air channel, so that bacteria are uniformly distributed in the closed air channel.
And step S203, controlling the inner fan to stop running after the inner fan runs for 5S (first preset time).
And step S204, after 2S (second preset time), starting a bacteria detection module arranged in the air duct to detect whether the number of bacterial colonies in the unit volume of air in the air duct exceeds a preset threshold, if not, executing step S205, and if so, executing step S206.
And step S205, if the bacterial colony number does not exceed a preset threshold, controlling the air conditioner to operate according to a preset mode, wherein the preset mode is an operation mode set by a user or a default operation mode under the condition that the operation mode is not set.
And S206, if the bacterial colony number exceeds a preset threshold value, starting the inner fan to operate at a low speed (a first target rotating speed) of 400 revolutions, and operating the fan at the low speed, so that air in the air duct can move at the low speed in the sterilization process, and bacteria in the space which cannot be irradiated by the UV lamp can be killed.
And step S207, after the rotating speed of the inner fan reaches the target rotating speed, turning on a UV lamp to sterilize the inside of the air conditioner air duct.
In step S208, the UV lamp is turned off when the sterilization time reaches T1 (first duration).
After step S209 and 2S (third preset time), the bacteria detection module is started to detect whether the bacterial colony count exceeds the preset threshold again, if so, step S210 is executed, and if not, step S211 is executed.
And step S210, if the bacterial colony number is detected to exceed the preset threshold value, displaying that the bacteria exceed the standard, prompting a user that secondary sterilization or manual sterilization is needed, and controlling the air conditioner to operate according to a preset mode.
And S211, if the bacterial colony number does not exceed the preset threshold value, opening the fully closed grille of the air inlet, all the air outlet and the air deflector, operating according to a dehumidification mode, and discharging killed bacteria to the outside through condensed water.
And step S212, after the operation reaches T2 time (second duration) according to the dehumidification mode, finishing the sterilization function in the air duct, and controlling the air conditioner to continue to operate according to the operation mode sent by the remote controller.
Fig. 7 is a schematic method diagram of another embodiment of the sterilization control method for the air conditioner internal unit according to the present invention. As shown in fig. 7, the sterilization control of the air conditioner internal unit during the operation of the air conditioner includes steps S301 to S307.
Step S301, a user starts the air duct internal sterilization function in the running process of the air conditioner.
And S302, controlling the inner fan to rotate at a preset rotation speed of 400, so that the cross-flow fan blade rotates at a low speed.
Step S303, when the rotating speed of the fan reaches the target rotating speed (preset rotating speed of 400 revolutions), the compressor and the outdoor fan are controlled to stop running, and meanwhile, the air inlet fully-closed air guide grille and the air outlet fully-closed air guide plate are driven to be in a closed state.
And step S304, turning on the UV lamp to sterilize the interior of the air conditioner air duct.
In step S305, the UV lamp is turned off when the sterilization time reaches T1 (first duration).
And S306, after the UV lamp is turned off for 2S, driving the air inlet fully-closed grille and the air inlet fully-closed air deflector to be in an open state, driving the air conditioner to operate in a dehumidification mode, and discharging killed bacteria to the outside through condensed water.
And step S307, after the operation in the dehumidification mode reaches T2 time (second duration), the sterilization function in the air duct is completed, and the air conditioner is controlled to continue to operate according to the operation mode sent by the remote controller.
The invention also provides an air conditioner sterilization control device. The air conditioner indoor unit comprises a patch type UV germicidal lamp arranged at the position of the bottom shell of the air duct. Optionally, the air conditioner internal unit further includes an air inlet air guide grid (preferably a fully closed air guide grid), an air outlet air guide plate (preferably a fully closed air guide plate), a fan, an evaporator assembly, a bacteria detection module, and the like.
Fig. 8 is a schematic structural diagram of an embodiment of an air conditioner sterilization control device provided by the invention. As shown in fig. 8, the air conditioner sterilization control apparatus 100 includes a control unit 110.
The control unit 110 is configured to turn on the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner internal unit when the air conditioner is turned on or receives a sterilization command during the operation of the air conditioner.
Specifically, when the air conditioner is turned on, that is, before the air conditioner does not start to operate, for example, before a compressor of the air conditioner is not turned on, the control unit 110 controls to turn on the UV germicidal lamp to perform air duct internal sterilization on the air conditioner internal unit; or when a sterilization command sent by a user is received in the operation process of the air conditioner, for example, the user receives the sterilization command when opening the air duct internal sterilization function through the mobile terminal APP, the remote controller or the control panel, and the control unit 110 controls to open the UV germicidal lamp to sterilize the air duct internal sterilization of the air conditioner internal unit.
Preferably, when the air conditioner is turned on, and the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner internal unit, the control unit 110 keeps an outdoor fan, a compressor of the air conditioner and/or an air inlet grille and an air outlet air deflector of the air conditioner internal unit in a closed state. More preferably, the control unit 110 does not turn on the outdoor fan and the compressor of the air conditioner and keeps the air inlet grille and the air outlet air deflector of the air conditioner in an initial closed state before turning on the UV germicidal lamp for performing the air duct internal sterilization.
When the control unit 110 receives a sterilization command in the operation process of the air conditioner, before the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner internal unit, the outdoor fan, the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner internal unit are/is turned off, that is, when the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner internal unit, the outdoor fan, the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner internal unit are/is kept in a turned-off state. More preferably, the control unit 110 turns off the outdoor fan and the compressor of the air conditioner and turns off the air inlet grill and the air outlet air deflector of the air conditioner before turning on the UV germicidal lamp for performing the air duct internal sterilization.
When the UV germicidal lamp is turned on to sterilize the air duct inside the air conditioner indoor unit, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are kept in a closed state, a closed environment can be formed, and the sterilization inside the air duct of the air conditioner is more thorough.
After the time for sterilizing the air duct interior of the air conditioner indoor unit by turning on the UV germicidal lamp reaches a first duration time, the control unit 120 turns off the UV germicidal lamp.
The first duration time T1 is the preset duration time for sterilizing the inside of the air duct of the air conditioner indoor unit by using the UV germicidal lamp. And when the duration of the time for starting the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner reaches T1, the UV lamp is turned off.
According to the embodiment of the invention, the UV germicidal lamp is arranged in the air duct of the air conditioner, so that the interior of the air duct of the air conditioner is sterilized.
Optionally, the control unit 110 is further configured to control an indoor fan of the air conditioner to operate at a first target rotation speed before the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner internal unit; and when the rotating speed of the indoor fan reaches the first target rotating speed, the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner indoor unit.
Specifically, when the air conditioner is started, before the UV germicidal lamp is turned on to sterilize the air duct interior of the air conditioner internal unit, the indoor fan of the air conditioner is controlled to operate according to a first target rotating speed. And after the rotating speed of the indoor fan reaches the first target rotating speed, the UV sterilizing lamp is turned on to sterilize the inside of the air duct of the air conditioner.
When a sterilization command is received in the running process of the air conditioner, the rotating speed of an indoor fan of the air conditioner is adjusted to be a first target rotating speed, and after the rotating speed of the indoor fan reaches the first target rotating speed, a UV sterilization lamp is turned on to sterilize the inside of an air duct of the air conditioner. Preferably, after the rotating speed of the indoor fan of the air conditioner is adjusted to a first target rotating speed, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the indoor fan of the air conditioner are/is closed, and then the UV germicidal lamp is turned on to sterilize the interior of the air duct of the indoor fan of the air conditioner.
The value range of the first target rotation speed may specifically include: 350 to 450 rpm. For example, the rotating speed of the inner fan is adjusted to be about 400 revolutions, so that the cross-flow fan blade runs at a low speed, air in the air duct can move at a low speed in the sterilization process, bacteria in the space which cannot be irradiated by the UV sterilization lamp are killed, and meanwhile, the problem that the back of the fan blade cannot be sterilized after the ultraviolet rays are shielded is solved.
Fig. 8 is a schematic structural diagram of an embodiment of an air conditioner sterilization control device provided by the invention. As shown in fig. 8, the air conditioner sterilization control apparatus 100 further includes a detection unit 120.
The detection unit 120 is configured to detect whether the content of bacteria in the air duct exceeds a preset threshold before the control unit turns on the UV germicidal lamp to sterilize the air duct interior of the air conditioner internal unit; the control unit 110 is further configured to: and if the detection unit detects that the bacteria content exceeds the preset threshold value, the UV germicidal lamp is started to sterilize the air duct interior of the air conditioner indoor unit.
Specifically, the control unit 110 is opening the UV bactericidal lamp is right before the air conditioner internal unit carries out the inside of wind channel and disinfects, detecting unit 120 detects whether the inside bacterial content in wind channel exceeds preset threshold value, bacterial content specifically can be the bacterial colony number in the air of unit volume, detects at detecting unit 120 bacterial content exceeds under the condition of preset threshold value, control unit 110 just opens the UV bactericidal lamp is right the air conditioner internal unit carries out the inside of wind channel and disinfects, if bacterial content does not exceed preset threshold value, then need not right the air conditioner carries out the inside of wind channel and disinfects.
Preferably, the control unit 110 is further configured to: when the air conditioner is started, before the detection unit 120 detects whether the bacteria content in the air duct exceeds a preset threshold value, controlling an inner fan of the air conditioner to operate at a second target rotating speed; the control unit 110 controls the internal fan of the air conditioner to stop operating after controlling the internal fan to operate at a second target rotation speed for a first preset time; the detection unit 120 is further configured to: after the control unit 110 controls the inner fan to stop operating for a second preset time, detecting whether the content of bacteria in the air duct exceeds a preset threshold value.
For example, when a user starts up the air conditioner and uses the air conditioner, the inner fan motor is driven to operate at a high speed (according to a second target rotating speed), at the moment, the air inlet air guide grid and the air outlet air guide plate are both in an initial closed state, and the air in the evaporator, the fan blades and the air channel is disturbed, so that bacteria are uniformly distributed in the closed air channel. The internal fan operates for 5s and then controls the fan motor to stop operating, and after 2s, when the bacteria in the air duct are in a stable state, the bacteria detection module arranged in the air duct is started to detect whether the content of the bacteria in the air duct exceeds a preset threshold value.
Optionally, the control unit 110 is further configured to: when the air conditioner is started, if the detection unit 120 detects that the bacteria content does not exceed the preset threshold, the air conditioner is controlled to operate according to a preset mode, wherein the preset mode is an operation mode set by a user or a default operation mode under the condition that the bacteria content is not set. The device 100 may further include a display unit (not shown) configured to display a corresponding prompt and determine whether to continue to sterilize the air conditioner inside the air duct if the detection unit 120 detects that the bacteria content does not exceed the preset threshold when the air conditioner is turned on. For example, the user is prompted whether the current bacterial content exceeds the standard or not, and if the user confirms that the sterilization is continued, the UV sterilization lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit.
Optionally, the detecting unit 120 is further configured to: after the control unit 110 turns off the UV germicidal lamp, detecting whether the content of bacteria inside the air duct exceeds a preset threshold; the apparatus 100 further comprises: a display unit (not shown) configured to display a prompt message that bacteria exceed the predetermined threshold if the detection unit 120 detects that the bacteria content exceeds the predetermined threshold.
For example, when the air conditioner is started to sterilize the air duct of the air conditioner, after the UV germicidal lamp is turned off for 2s, the bacteria detection module detects whether the bacteria content in the air duct exceeds a preset threshold, and if the bacteria content exceeds the preset threshold, the prompt message that the bacteria exceed the standard is displayed, and meanwhile, the air conditioner can be controlled to operate according to a preset mode, wherein the preset mode is an operation mode set by a user or a default operation mode under the condition that the operation mode is not set.
Preferably, the control unit 110 is further configured to: and after the UV germicidal lamp is turned off, controlling the air conditioner to operate in a dehumidification mode for a second duration.
Specifically, after the UV germicidal lamp is turned off, the control unit 110 controls the air inlet grille and the air outlet air deflector of the air conditioner internal unit to be opened, so as to drive the air conditioner to operate in a dehumidification mode, and to discharge killed bacteria to the outside through condensed water. After the dehumidification mode lasts for time T2, the sterilization function inside the air duct is completed. After the air duct is sterilized, the control unit 110 controls the air conditioner to operate according to a preset mode, which is an operation mode set by a user or a default operation mode in an unset situation, for example, an operation mode set by a user through a remote controller.
Optionally, in the bacteria detection process and/or the sterilization process, if the internal sterilization function needs to be finished in advance, the internal sterilization function of the air duct can be directly closed through the remote controller, and the air conditioner is controlled to operate according to a preset mode.
The invention also provides a storage medium corresponding to the air conditioner sterilization control method, and a computer program is stored on the storage medium, and when the program is executed by a processor, the program realizes the steps of any one of the methods.
The invention also provides an air conditioner corresponding to the air conditioner sterilization control method, which comprises a processor, a memory and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the steps of any one of the methods when executing the program.
The invention also provides an air conditioner corresponding to the air conditioner sterilization control device, which comprises any one of the air conditioner sterilization control devices.
According to the scheme provided by the invention, the UV germicidal lamp is arranged in the air duct of the air conditioner indoor unit, so that the interior of the air duct of the air conditioner indoor unit can be sterilized; according to the technical scheme of the invention, when the interior of the air duct of the air conditioner indoor unit is sterilized, a closed environment can be formed by keeping the air inlet grille and the air outlet air deflector in a closed state, so that the interior of the air duct of the air conditioner is sterilized more thoroughly; according to the technical scheme, when the air duct interior of the air conditioner is sterilized, the indoor fan is enabled to operate according to the first target rotating speed, so that air in the air duct can move at a low speed in the sterilization process, bacteria in a space which cannot be irradiated by the UV sterilization lamp can be killed, and meanwhile, the problem that the back of the fan blade cannot be sterilized after ultraviolet rays are shielded is solved; according to the technical scheme of the invention, before the sterilization of the interior of the air duct is carried out, whether the content of bacteria in the air duct exceeds the standard or not is detected, so that the sterilization is not needed when the content of bacteria does not exceed the standard, and before the content of bacteria exceeds the standard or not, the inner fan motor is driven to operate at a high speed (according to a second target rotating speed), so that the air in the evaporator, the fan blades and the air duct is disturbed, bacteria can be uniformly distributed in the closed air duct, and the detection of the content of bacteria is more accurate; according to the technical scheme of the invention, after the UV germicidal lamp is turned off after the sterilization is finished, the air conditioner is operated according to a dehumidification mode, so that killed bacteria can be discharged to the outside through condensed water.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the following claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and the parts serving as the control device may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (8)

1. The air conditioner sterilization control method is characterized in that a UV (ultraviolet) germicidal lamp is arranged in an air duct of an air conditioner indoor unit, and the method comprises the following steps:
when the air conditioner is started or a sterilization command is received in the running process of the air conditioner, the UV germicidal lamp is started to sterilize the air duct interior of the air conditioner internal unit;
before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, detecting whether bacteria in the interior of the air duct exceed a preset threshold value;
if the bacteria content is detected to exceed the preset threshold value, the UV germicidal lamp is started to sterilize the air duct interior of the air conditioner indoor unit;
when the air conditioner is started, before detecting whether the bacteria content in the air duct exceeds a preset threshold value, controlling an inner fan of the air conditioner to operate according to a second target rotating speed;
controlling an inner fan of the air conditioner to stop running after the inner fan is controlled to run for a first preset time according to a second target rotating speed;
after controlling the inner fan to stop running for a second preset time, detecting whether the content of bacteria in the air duct exceeds a preset threshold value;
before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner internal unit, controlling an internal fan of the air conditioner to operate according to a first target rotating speed;
and when the rotating speed of the inner fan reaches the first target rotating speed, the UV germicidal lamp is started to sterilize the interior of the air duct of the air conditioner inner unit, and the first target rotating speed is less than the second target rotating speed.
2. The method of claim 1,
when the air conditioner is started, when the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, the outdoor fan, the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are kept in a closed state;
and/or the presence of a gas in the gas,
when a sterilization command is received in the operation process of the air conditioner, before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are/is turned off.
3. The method of claim 1, further comprising:
after the time for starting the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner internal unit reaches a first duration time, the UV germicidal lamp is turned off;
and/or the presence of a gas in the gas,
after the UV germicidal lamp is turned off, detecting whether the content of bacteria in the air duct exceeds a preset threshold value;
if the content of the bacteria is detected to exceed the preset threshold, displaying prompt information that the bacteria exceed the standard;
and/or the presence of a gas in the gas,
and after the UV germicidal lamp is turned off, controlling the air conditioner to operate in a dehumidification mode for a second duration.
4. The utility model provides an air conditioner sterilizing control device which characterized in that, be equipped with the UV bactericidal lamp in the wind channel of air conditioner internal unit, the device includes:
the control unit is used for turning on the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner indoor unit when the air conditioner is started or receives a sterilization command in the running process of the air conditioner;
the detection unit is used for detecting whether the content of bacteria in the air duct exceeds a preset threshold value or not before the control unit starts the UV germicidal lamp to sterilize the air duct interior of the air conditioner indoor unit;
the control unit is further configured to: if the detection unit detects that the bacteria content exceeds the preset threshold value, the UV germicidal lamp is started to sterilize the air duct interior of the air conditioner indoor unit;
the control unit is further configured to: when the air conditioner is started, before the detection unit detects whether the bacteria content in the air duct exceeds a preset threshold value, controlling an inner fan of the air conditioner to operate according to a second target rotating speed; controlling an inner fan of the air conditioner to stop running after the inner fan is controlled to run for a first preset time according to a second target rotating speed;
the detection unit is further configured to: after the control unit controls the inner fan to stop running for a second preset time, detecting whether the content of bacteria in the air duct exceeds a preset threshold value;
the control unit is further configured to:
before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner internal unit, controlling an internal fan of the air conditioner to operate according to a first target rotating speed;
and when the rotating speed of the inner fan reaches the first target rotating speed, the UV germicidal lamp is started to sterilize the interior of the air duct of the air conditioner inner unit, and the first target rotating speed is less than the second target rotating speed.
5. The apparatus of claim 4,
the control unit is further configured to: when the air conditioner is started, when the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, the outdoor fan, the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are kept in a closed state;
and/or the presence of a gas in the gas,
the control unit is further configured to: when a sterilization command is received in the operation process of the air conditioner, before the UV germicidal lamp is turned on to sterilize the interior of the air duct of the air conditioner indoor unit, the outdoor fan and the compressor of the air conditioner and/or the air inlet grille and the air outlet air deflector of the air conditioner indoor unit are/is turned off.
6. The apparatus of claim 4,
the control unit is further configured to: after the time for starting the UV germicidal lamp to sterilize the interior of the air duct of the air conditioner internal unit reaches a first duration time, the UV germicidal lamp is turned off;
and/or the presence of a gas in the gas,
the detection unit is further configured to: after the control unit turns off the UV germicidal lamp, detecting whether the content of bacteria in the air duct exceeds a preset threshold value;
the device, still include: the display unit is used for displaying prompt information that bacteria exceed the standard if the detection unit detects that the content of the bacteria exceeds the preset threshold;
and/or the presence of a gas in the gas,
the control unit is further configured to: and after the UV germicidal lamp is turned off, controlling the air conditioner to operate in a dehumidification mode for a second duration.
7. A storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 3.
8. An air conditioner, comprising a processor, a memory and a computer program stored in the memory and operable on the processor, wherein the processor executes the program to implement the steps of the method according to any one of claims 1 to 3, or comprises the air conditioner sterilization control device according to any one of claims 4 to 6.
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