CN113339968B - Sterilization control method for air conditioner and air conditioner - Google Patents
Sterilization control method for air conditioner and air conditioner Download PDFInfo
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- CN113339968B CN113339968B CN202110567618.6A CN202110567618A CN113339968B CN 113339968 B CN113339968 B CN 113339968B CN 202110567618 A CN202110567618 A CN 202110567618A CN 113339968 B CN113339968 B CN 113339968B
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 52
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000002070 germicidal effect Effects 0.000 claims abstract description 79
- 241000894006 Bacteria Species 0.000 claims description 12
- 230000004083 survival effect Effects 0.000 claims description 10
- 230000000844 anti-bacterial effect Effects 0.000 description 12
- 230000009467 reduction Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
- 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
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- 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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
-
- 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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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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)
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- Combustion & Propulsion (AREA)
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- Signal Processing (AREA)
- Fuzzy Systems (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of air conditioners and aims to solve the problem that a sterilizing lamp of an existing air conditioner is unreasonable in operation. Therefore, the invention provides a sterilization control method for an air conditioner and the air conditioner, wherein an indoor unit of the air conditioner comprises a shell, and a fan and a sterilizing lamp which are arranged in the shell, and the sterilization control method comprises the following steps: acquiring the interval time after the last operation of the germicidal lamp is finished; comparing the interval time with a preset time; if the interval time is longer than the preset time, acquiring the average ambient temperature T of the room in the current time after the last operation of the germicidal lamp is finished; acquiring preset power P corresponding to the average ambient temperature T; and operating the germicidal lamp according to the preset power P. The operating frequency of the germicidal lamp is matched with the average ambient temperature of the room during the period that the germicidal lamp stops operating, so that energy can be saved on the basis of ensuring the germicidal effect.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides a sterilization control method for an air conditioner and the air conditioner.
Background
An air conditioner is an apparatus capable of cooling/heating a room. Along with the continuous improvement of living standard of people, people have higher and higher requirements on air conditioners, and the requirements are not only met for refrigerating and heating.
In order to meet the requirements of customers, some air conditioners are added with a sterilization function, specifically, a sterilization lamp is installed in a shell of an indoor unit, and the sterilization lamp can be started to sterilize air flow entering the shell in the operation process of the air conditioner, so that the air flow discharged by the indoor unit is cleaner and safer.
However, the conventional germicidal lamp always operates according to the maximum power in the operation process, and although a good germicidal effect can be ensured, energy waste can be caused under the condition that bacteria in a room are few, and the service life of the germicidal lamp can be influenced by enabling the germicidal lamp to operate at the maximum power for a long time.
Therefore, there is a need in the art for a new solution to the above problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem of unreasonable operation of the germicidal lamp of the existing air conditioner, the present invention provides a germicidal control method for an air conditioner, where an indoor unit of the air conditioner includes a casing, and a blower and a germicidal lamp that are arranged in the casing, and the germicidal control method includes: acquiring the interval time after the last operation of the germicidal lamp is finished; comparing the interval time with a preset time; if the interval time is longer than the preset time, acquiring the average ambient temperature T of the room in the current time after the last operation of the germicidal lamp is finished; acquiring preset power P corresponding to the average ambient temperature T; and enabling the germicidal lamp to operate according to the preset power P.
In a preferred embodiment of the sterilization control method, the step of "obtaining the preset power P corresponding to the average ambient temperature T" includes: comparing the average ambient temperature T with a first preset temperature T1; if the average ambient temperature T is equal to the first preset temperature T1, the preset power P = P0; -if said average ambient temperature is greater than said first predetermined temperature T1, said predetermined power P = P0 x | T2-T1 | is determined; -if said average ambient temperature is lower than said first predetermined temperature T1, said predetermined power P = P0 x | T3-T1 | is determined; wherein P0 is the maximum power of the germicidal lamp; t2 is the highest survival temperature of bacteria; t3 is the lowest survival temperature of bacteria.
In a preferred embodiment of the sterilization control method, the sterilization control method further includes: acquiring the current opening angle of an air deflector of the indoor unit; acquiring a preset opening angle corresponding to the average ambient temperature; comparing the current opening angle with the preset opening angle; and selectively adjusting the opening angle of the air deflector according to the comparison result.
In a preferred embodiment of the sterilization control method, the step of "selectively adjusting the opening angle of the air guide plate according to the comparison result" includes: and if the current opening angle is larger than the preset opening angle, adjusting the opening angle of the air deflector to the preset opening angle.
In a preferred embodiment of the sterilization control method, the sterilization control method further includes: acquiring the current rotating speed of the fan; acquiring a preset rotating speed corresponding to the average ambient temperature; comparing the current rotating speed with the preset rotating speed; and selectively adjusting the rotating speed of the fan according to the comparison result.
In a preferred embodiment of the sterilization control method, the step of "selectively adjusting the rotation speed of the fan according to the comparison result" includes: and if the current rotating speed is greater than the preset rotating speed, adjusting the rotating speed of the fan to the preset rotating speed.
In a preferred embodiment of the above sterilization control method, when the current rotation speed is greater than the preset rotation speed, the sterilization control method further includes: calculating a difference value between the current rotating speed and the preset rotating speed; comparing the difference value with a preset value; and selectively adjusting the operating frequency of the compressor of the air conditioner according to the comparison result.
In a preferred embodiment of the sterilization control method, the step of selectively adjusting the operating frequency of the compressor of the air conditioner according to the comparison result specifically includes: and if the difference value is larger than the preset value, increasing the running frequency of the compressor.
In a preferred technical scheme of the sterilization control method, the fan comprises a motor and a long cylindrical impeller, the motor is fixed in the shell, the impeller is rotationally connected with the shell, the motor can drive the impeller to rotate, the germicidal lamp is fixedly connected with the impeller and is located in a cylindrical area formed by the impeller, and the germicidal lamp can rotate along with the impeller.
In another aspect, the present invention also provides an air conditioner including a controller configured to be able to perform the above-described sterilization control method.
The technical scheme includes that in the operation process of the air conditioner, the interval time after the last operation of the self-sterilizing lamp is finished is obtained, and when the interval time is longer than the preset time, the self-sterilizing lamp is started to operate.
Further, the operating power of the germicidal lamp is determined jointly based on the average ambient temperature, the temperature most suitable for the survival of bacteria, the maximum survival temperature of bacteria and the minimum survival temperature of bacteria, so that the operating power of the germicidal lamp is more adapted to the number of bacteria in the room.
Further, the sterilization control method of the present invention further includes: acquiring a current opening angle of an air deflector of an indoor unit; acquiring a preset opening angle corresponding to the average ambient temperature; comparing the current opening angle with a preset opening angle; and selectively adjusting the opening angle of the air deflector according to the comparison result. Through the arrangement, the opening angle of the air guide plate is more favorable for sterilization, so that the sterilization effect can be improved.
Further, the sterilization control method of the present invention further includes: acquiring the current rotating speed of the fan; acquiring a preset rotating speed corresponding to the average ambient temperature; comparing the current rotating speed with a preset rotating speed; and selectively adjusting the rotating speed of the fan according to the comparison result. Through such setting, can make the rotational speed of fan more be favorable to disinfecting to can improve bactericidal effect.
Further, the sterilization control method of the present invention further includes: calculating the difference between the current rotating speed of the fan and the preset rotating speed; comparing the difference value with a preset value; and selectively adjusting the operating frequency of the compressor of the air conditioner according to the comparison result. Through setting up like this, can avoid the rotational speed change of fan to influence the temperature in the room, and then avoid influencing user's experience and feel.
In addition, the air conditioner further provided on the basis of the technical scheme of the invention has the technical effects of the sterilization control method due to the adoption of the sterilization control method, and compared with the air conditioner before improvement, the air conditioner has the advantages that the operation frequency of the sterilizing lamp of the air conditioner is matched with the average ambient temperature of the room during the period that the sterilizing lamp stops operating, and the energy can be saved on the basis of ensuring the sterilization effect.
Drawings
FIG. 1 is a first schematic structural diagram of an indoor unit of an air conditioner according to the present invention;
FIG. 2 is a second schematic structural view of an indoor unit of an air conditioner according to the present invention;
fig. 3 is a schematic side sectional view of an indoor unit of an air conditioner of the present invention;
FIG. 4 is a schematic view of the assembly of the impeller, germicidal lamp and conductive slip ring of the crossflow blower of the present invention;
fig. 5 is a flowchart of a sterilization control method for an air conditioner of the present invention;
FIG. 6 is a table of predetermined opening angles according to the present invention;
FIG. 7 is a predetermined RPM table of the present invention.
List of reference numerals:
1. a housing; 2. an indoor heat exchanger; 3. a germicidal lamp; 4. an impeller; 41. a cylindrical region; 42. a first shaft; 43. a second shaft; 5. a conductive slip ring.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
It is to be understood that in describing the present invention, the terms "top," "bottom," and the like, which refer to directions or positional relationships, are used for convenience of description only and do not indicate or imply that the apparatus or component must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 3, fig. 1 is a first schematic structural diagram of an indoor unit of an air conditioner according to the present invention; FIG. 2 is a second schematic structural view of an indoor unit of an air conditioner according to the present invention; fig. 3 is a schematic side sectional view of an indoor unit of an air conditioner according to the present invention (black arrows shown in fig. 3 indicate lights emitted from germicidal lamps).
As shown in fig. 1 to 3, the indoor unit of an air conditioner of the present invention mainly includes a casing 1, an indoor heat exchanger 2, a blower and a germicidal lamp 3, wherein the indoor heat exchanger 2, the blower and the germicidal lamp 3 are all disposed in the casing 1, the blower includes a motor (not shown in the figure) and an impeller 4, and the motor is fixed in the casing 1.
Preferably, as shown in fig. 2 and 3, the impeller 4 has a long cylindrical shape, a cylindrical region 41 is formed inside the impeller 4, the impeller 4 is rotatably connected to the housing 1, and the germicidal lamp 3 is mounted in the cylindrical region 41 formed by the impeller 4.
Through such setting, can save installation space promptly, can make sterilamp 3 and the air current that gets into in the casing 1 contact fully again to can improve sterilamp 3's bactericidal effect, and, sterilamp 3 still and impeller 4 fixed connection, when motor drive impeller 4 is rotatory, sterilamp 3 also can rotate along with impeller 4, so, can make the light that sterilamp 3 sent and the air current that gets into in the casing 1 contact fully more, further improve sterilamp 3's bactericidal effect.
It should be noted that the germicidal lamp 3 may be an infrared germicidal lamp or an ultraviolet germicidal lamp, etc., and such modifications and changes to the specific type of the germicidal lamp 3 are not departing from the spirit and scope of the present invention and should be limited to the protection scope of the present invention. Of course, ultraviolet lamps are preferred.
It should be noted that, in practical applications, the germicidal lamp 3 may be configured in an annular structure, in which case the germicidal lamp 3 preferably extends along the circumferential direction of the impeller 4, or the germicidal lamp 3 may also be configured in a linear structure, in which case the germicidal lamp 3 preferably extends along the axial direction of the impeller 4, or the germicidal lamp 3 may also be configured in an S-shaped structure, etc., and such adjustment and change of the specific shape of the germicidal lamp 3 should be within the protection scope of the present invention without departing from the principle and scope of the present invention. Of course, it is preferable to provide the germicidal lamp 3 in a ring-shaped configuration or a linear configuration.
Furthermore, it should be noted that the number of the germicidal lamps 3 may be one or more, in case that the germicidal lamps 3 are plural, if the germicidal lamps 3 are configured in an annular structure, the plural annular germicidal lamps 3 are uniformly distributed along the axial direction of the impeller 4, if the germicidal lamps 3 are configured in a linear structure, the plural linear germicidal lamps 3 are uniformly distributed along the circumferential direction of the impeller 4, and the like, and such adjustment and change to the specific number and the specific distribution of the germicidal lamps 3 should not depart from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.
In addition, it should be noted that the germicidal lamp 3 may be powered by a battery, or may share the same power source with the indoor unit, and so on, and such adjustment and change of the specific power supply manner of the germicidal lamp 3 do not depart from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.
With continuing reference to FIGS. 2 and 3 and with continuing reference to FIG. 4, FIG. 4 is a schematic view of the assembly of the impeller, germicidal lamp and electrical slip ring of the crossflow blower of the present invention.
Preferably, as shown in fig. 2 to 4, the indoor unit of an air conditioner of the present invention further includes a conductive slip ring 5, the conductive slip ring 5 is fixed in the casing 1, and the germicidal lamp 3 is electrically connected to the conductive slip ring 5.
The conductive slip ring 5 comprises a fixed part and a rotating part which are electrically connected, the fixed part of the conductive slip ring 5 is fixedly connected with the casing 1, illustratively, the fixed part of the conductive slip ring 5 can be fixedly connected with the casing 1 in a clamping manner or by a fastener, the germicidal lamp 3 is electrically connected with the rotating part of the conductive slip ring 5, the fixed part of the conductive slip ring 5 is connected with a power supply of the indoor unit and transmits electricity to the germicidal lamp 3 through the rotating part of the conductive slip ring 5, and the rotating part of the conductive slip ring 5 can rotate together with the germicidal lamp 3 and the impeller 4 during the operation of the air conditioner.
Preferably, as shown in fig. 2 to 4, the germicidal lamp 3 has a linear structure, extending in the axial direction of the impeller 4. The germicidal lamp 3 is one in number and is located at the central axis position of the impeller 4.
Preferably, as shown in fig. 4, the left end of the impeller 4 is provided with a first shaft 42, both ends of the first shaft 42 are electrically connected with the conductive slip ring 5 and the germicidal lamp 3 respectively, the first shaft 42 is made of a conductive material, the electricity on the conductive slip ring 5 can be transmitted to the germicidal lamp 3 through the first shaft 42, and the first shaft 42 can rotate relative to the conductive slip ring 5.
That is, the first shaft 42 has two functions, first, to support the impeller 4 for circular motion, and second, to continuously supply power to the germicidal lamp 3, which performs circular motion.
Preferably, as shown in fig. 4, the right end of the impeller 4 is provided with a second shaft 43, and the second shaft 43 is fixedly connected with the motor. The driving shaft of the motor is fixedly connected with the second shaft 43, and the motor can drive the impeller 4 to rotate through the second shaft 43.
Based on the air conditioner, the invention also provides a sterilization control method for the air conditioner, and as shown in fig. 5, the sterilization control method for the air conditioner of the invention comprises the following steps:
s100: the interval time since the last operation of the germicidal lamp was finished is obtained.
Illustratively, a timer is arranged in the indoor unit of the air conditioner and is in communication connection with a controller of the air conditioner, after the operation of the germicidal lamp is finished, the timer starts to count time, the recorded time is recorded as interval time, and the recorded data is transmitted to the controller.
S200: and judging whether the interval time is greater than the preset time.
The controller of the air conditioner is pre-stored with preset time, and after the specific numerical value of the interval time is obtained, the interval time is compared with the preset time, and the size of the interval time and the preset time is judged.
Illustratively, the preset time is 24h (hours), and when the interval time is less than or equal to 24h, it indicates that the time interval from the last sterilization is still shorter, in this case, the germicidal lamp is not started to operate, and the step S100 is executed again; on the contrary, when the interval time is more than 24h, it is described that the interval time from the previous sterilization is relatively long, in this case, it is necessary to start the germicidal lamp, and the step S300 is performed before or at the same time as the germicidal lamp is started.
It should be noted that the specific value of the preset time is not limited to 24h, and in practical applications, a person skilled in the art may flexibly set the specific value of the preset time according to experiments or experiences, as long as whether the germicidal lamp needs to be started or not can be determined by the critical point determined by the preset time.
S300: the average ambient temperature T of the room is obtained from the end of the last operation of the germicidal lamp to the current time.
The temperature sensor can be installed on the shell of the indoor unit or other positions of a room, the temperature sensor is communicated with the controller of the air conditioner, the ambient temperature in the room can be detected through the temperature sensor, detection data can be transmitted to the controller, and the controller can calculate the average ambient temperature T of the room from the end of the last operation of the germicidal lamp to the current time according to the acquired temperature data.
S400: a preset power P corresponding to the average ambient temperature T is obtained.
A calculation formula or a comparison table is pre-stored in a controller of the air conditioner, and after the controller calculates the average ambient temperature T of the room, the controller may obtain the preset power P corresponding to the average ambient temperature T according to the calculation formula or the comparison table.
S500: the germicidal lamp is operated at a preset power P.
And after the controller acquires the preset power P corresponding to the average ambient temperature T, the controller controls the germicidal lamp to operate according to the preset power P.
Through setting up the bactericidal condition, interval time after the bactericidal lamp operation is ended is greater than the time of predetermineeing promptly, when satisfying the bactericidal condition that sets up, make the bactericidal lamp operation again, through such setting, make the air conditioner more intelligent, need not continuous operation, thereby can prolong the life of bactericidal lamp, and the energy can be saved, in addition, make the operating frequency of bactericidal lamp and the average ambient temperature looks adaptation in the room of bactericidal lamp during the shutdown, can be on the basis of guaranteeing bactericidal effect, further the energy can be saved.
Preferably, the step of "obtaining the preset power P corresponding to the average ambient temperature T" specifically includes: comparing the average ambient temperature T with a first preset temperature T1; if the average ambient temperature T is equal to the first preset temperature T1, i.e. if T = T1, then the preset power P = P0; -if the average ambient temperature T is greater than a first predetermined temperature T1, i.e. if T > T1, then predetermined power P = P0 x | T2-T1 |; if the average ambient temperature T is less than a first predetermined temperature T1, i.e. if T < T1, then the predetermined power P = P0 x | T3-T1 |. Wherein P0 is the maximum power of the germicidal lamp, the first preset temperature T1 is the most suitable temperature value for the survival of bacteria, and T2 is the maximum survival temperature of bacteria; t3 is the lowest survival temperature of bacteria.
Exemplarily, T1=37 ℃, T2=90 ℃, T3= -7 ℃, when the average ambient temperature T =37 ℃, i.e. T = T1, the preset power P = P0, even if the germicidal lamp is operated at maximum power; when the average ambient temperature T =40 ℃, i.e. T > T1, the preset power P = P0 x | 90-40 | 90-37 | = P0 x 50/55 ≈ 0.91P0; when the average ambient temperature T =30 c, i.e. T < T1, the predetermined power P = P0 x | 7-30 | i-7-37 | = P0 x 37/44 ≈ 0.84P0.
Preferably, the sterilization control method of the present invention further comprises: acquiring a current opening angle of an air deflector of an indoor unit; acquiring a preset opening angle corresponding to the average ambient temperature; comparing the current opening angle with a preset opening angle; and selectively adjusting the opening angle of the air deflector according to the comparison result.
Illustratively, a preset opening angle comparison table is prestored in the controller of the air conditioner, and as shown in fig. 6, three temperature ranges are set for the average ambient temperature, wherein a first temperature range is less than 10 ℃, a second temperature range is 10 ℃ to 45 ℃, a third temperature range is greater than 45 ℃, two angles, namely 30 degrees and 45 degrees, are set for the preset opening angle, when the average ambient temperature is in the first temperature range and the third temperature range, the corresponding preset opening angle is 30 degrees, and when the average ambient temperature is in the second temperature range, the corresponding preset opening angle is 45 degrees.
After the current opening angle of the air deflector is acquired and the preset opening angle is obtained, the current opening angle and the preset opening angle are compared, whether the opening angle of the air deflector needs to be adjusted or not is judged according to a comparison result, and through the arrangement, the opening angle of the air deflector is more favorable for sterilization, so that the sterilization effect can be improved.
Preferably, the step of selectively adjusting the opening angle of the air deflector according to the comparison result specifically includes: if the current opening angle of the air deflector is smaller than or equal to the preset opening angle, the current opening angle of the air deflector meets the sterilization requirement, and under the condition, the opening angle of the air deflector can not be adjusted; on the contrary, if the current opening angle of the air deflector is larger than the preset opening angle, the opening angle of the air deflector is larger, and the air flow speed is high.
Preferably, the sterilization control method of the present invention further comprises: acquiring the current rotating speed of the fan; acquiring a preset rotating speed corresponding to the average ambient temperature; comparing the current rotating speed with a preset rotating speed; and selectively adjusting the rotating speed of the fan according to the comparison result.
Illustratively, a preset rotation speed comparison table is prestored in a controller of the air conditioner, and as shown in fig. 7, three temperature intervals are set for the average ambient temperature, wherein the first temperature interval is less than 10 ℃, the second temperature interval is 10 ℃ to 45 ℃, the third temperature interval is greater than 45 ℃, and two rotation speeds, namely V1 and V2, are set for the preset rotation speed, wherein V1 is less than V2; when the average ambient temperature is in the first temperature interval and the third temperature interval, the corresponding preset rotating speed is V2, and when the average ambient temperature is in the second temperature interval, the corresponding preset rotating speed is V1.
After obtaining the current rotational speed of fan and predetermineeing the rotational speed, compare the two, judge the rotational speed that whether needs the regulation fan according to the comparative result, through such setting, can make the rotational speed of fan more be favorable to disinfecting to can improve bactericidal effect.
Preferably, the step of "selectively adjusting the rotation speed of the fan according to the comparison result" specifically includes: if the current rotating speed of the fan is less than or equal to the preset rotating speed, the rotating speed of the fan is proved to meet the sterilization requirement, and the rotating speed of the fan is not adjusted; on the contrary, if the current rotating speed of the fan is greater than the preset rotating speed, the rotating speed of the fan is over high, and under the condition, the rotating speed of the fan is adjusted to the preset rotating speed, namely the rotating speed of the fan is reduced, so that the flowing speed of the air flow is reduced, the contact time of the air flow and the germicidal lamp is prolonged, and the germicidal effect on the air flow can be improved.
Preferably, the sterilization control method of the present invention further comprises: calculating the difference between the current rotating speed of the fan and the preset rotating speed; comparing the difference value with a preset value; and selectively adjusting the operating frequency of the compressor of the air conditioner according to the comparison result.
That is, after the rotational speed of the blower fan is reduced to the preset rotational speed, a reduction amplitude is calculated, and it is determined whether the operating frequency of the compressor needs to be adjusted according to the reduction amplitude. Specifically, if the difference between the current rotating speed of the fan and the preset rotating speed is smaller than or larger than the preset value, it indicates that the reduction amplitude of the rotating speed of the fan is not large, and in this case, the operating frequency of the compressor may not be adjusted; on the contrary, if the difference value between the current rotating speed of the fan and the preset rotating speed is larger than the preset value, the reduction range of the rotating speed of the fan is larger, and under the condition, the running frequency of the compressor is increased, so that the refrigerating or heating capacity of the air conditioner is improved, the influence on the temperature in a room is avoided, and the influence on the experience of a user is further avoided.
It should be noted that, a person skilled in the art may flexibly set a specific numerical value of the preset value according to experiments or experiences, as long as the critical point determined by the preset value can determine whether the reduction amplitude of the rotation speed of the fan will affect the temperature in the room.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (4)
1. A sterilization control method for an air conditioner, wherein an indoor unit of the air conditioner comprises a shell, and a fan and a germicidal lamp which are arranged in the shell, and the sterilization control method comprises the following steps:
acquiring the interval time after the last operation of the germicidal lamp is finished;
comparing the interval time with a preset time;
if the interval time is longer than the preset time, acquiring the average ambient temperature T of the room in the current time after the last operation of the germicidal lamp is finished;
acquiring preset power P corresponding to the average ambient temperature T;
enabling the germicidal lamp to operate according to the preset power P;
the sterilization control method further includes:
acquiring the current opening angle of an air deflector of the indoor unit;
acquiring a preset opening angle corresponding to the average ambient temperature;
comparing the current opening angle with the preset opening angle;
selectively adjusting the opening angle of the air deflector according to the comparison result;
the step of selectively adjusting the opening angle of the air deflector according to the comparison result specifically includes:
if the current opening angle is larger than the preset opening angle, adjusting the opening angle of the air deflector to the preset opening angle;
the sterilization control method further includes:
acquiring the current rotating speed of the fan;
acquiring a preset rotating speed corresponding to the average ambient temperature;
comparing the current rotating speed with the preset rotating speed;
selectively adjusting the rotation speed of the fan according to the comparison result;
the step of selectively adjusting the rotation speed of the fan according to the comparison result specifically includes:
if the current rotating speed is greater than the preset rotating speed, adjusting the rotating speed of the fan to the preset rotating speed;
in the case where the current rotation speed is greater than the preset rotation speed, the sterilization control method further includes:
calculating a difference value between the current rotating speed and the preset rotating speed;
comparing the difference value with a preset value;
selectively adjusting an operating frequency of a compressor of the air conditioner according to the comparison result;
the step of selectively adjusting the operating frequency of the compressor of the air conditioner according to the comparison result specifically includes:
and if the difference value is greater than the preset value, increasing the operating frequency of the compressor.
2. The sterilization control method according to claim 1, wherein the step of obtaining the preset power P corresponding to the average ambient temperature T specifically includes:
comparing the average ambient temperature T with a first preset temperature T1;
if the average ambient temperature T is equal to the first preset temperature T1,
the preset power P = P0;
if the average ambient temperature is greater than the first preset temperature T1,
said predetermined power P = P0 x | T2-T1 | is determined;
if the average ambient temperature is less than the first preset temperature T1,
-said preset power P = P0 x | T3-T1 |;
wherein P0 is the maximum power of the germicidal lamp; t2 is the highest survival temperature of bacteria; t3 is the lowest survival temperature of bacteria.
3. The sterilization control method according to claim 1 or 2, wherein the blower includes a motor and an elongated cylindrical impeller, the motor is fixed in the housing, the impeller is rotatably connected to the housing, the motor is capable of driving the impeller to rotate, the germicidal lamp is fixedly connected to the impeller and located in a cylindrical region formed by the impeller, and the germicidal lamp is capable of rotating with the impeller.
4. An air conditioner characterized by comprising a controller configured to be able to execute the sterilization control method according to any one of claims 1 to 3.
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| CN109210631A (en) * | 2018-08-21 | 2019-01-15 | 珠海格力电器股份有限公司 | Air conditioner indoor unit with sterilization function, control method and air conditioner |
| CN112178882B (en) * | 2019-07-05 | 2021-12-21 | 青岛海尔空调器有限总公司 | Air conditioner sterilization control method and air conditioner |
| CN111706961A (en) * | 2020-05-22 | 2020-09-25 | 珠海格力电器股份有限公司 | Control method of sterilization device, sterilization device and air conditioner |
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