CN111425943B - Air conditioner, control method of air conditioner, and storage medium - Google Patents

Air conditioner, control method of air conditioner, and storage medium Download PDF

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Publication number
CN111425943B
CN111425943B CN202010261150.3A CN202010261150A CN111425943B CN 111425943 B CN111425943 B CN 111425943B CN 202010261150 A CN202010261150 A CN 202010261150A CN 111425943 B CN111425943 B CN 111425943B
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China
Prior art keywords
air conditioner
liquid level
heat exchanger
accommodating cavity
controlling
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Active
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CN202010261150.3A
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Chinese (zh)
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CN111425943A (en
Inventor
吴孔祥
许永锋
李宏伟
王威
王茹翰
李灏轩
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Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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Priority to CN202010261150.3A priority Critical patent/CN111425943B/en
Publication of CN111425943A publication Critical patent/CN111425943A/en
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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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04—Heat
    • A61L2/06—Hot gas
    • A61L2/07—Steam
    • 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
    • F24F11/62—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
    • F24F11/67—Switching between heating and cooling modes
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/228—Treatment of condensate, e.g. sterilising
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Fuzzy Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Human Computer Interaction (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides an air conditioner, a control method of the air conditioner and a storage medium, wherein the air conditioner comprises the following components: a heat exchanger; the water receiving tray is provided with an accommodating cavity, and at least one part of the heat exchanger is arranged in the accommodating cavity; wherein, be equipped with the outlet on the lateral wall that holds the chamber, the distance between outlet and the diapire that holds the chamber is greater than the distance between heat exchanger and the diapire that holds the chamber. According to the air conditioner provided by the invention, at least one part of the heat exchanger is arranged in the accommodating cavity of the water pan, and the bottom of the heat exchanger is positioned below the water discharge opening of the water pan, so that one part of the heat exchanger can be immersed in liquid in the water pan, and when the heat exchanger heats, the heat exchanger can evaporate the liquid in the water pan to form a large amount of hot steam besides utilizing self condensed water on the surface of the heat exchanger to evaporate, so that the space in the air conditioner can be sterilized through the hot steam, and meanwhile, the air blown out of the air conditioner can be cleaner and more sanitary.

Description

Air conditioner, control method of air conditioner, and storage medium
Technical Field
The invention relates to the technical field of household appliances, in particular to an air conditioner, a control method of the air conditioner and a computer readable storage medium.
Background
At present, an air conditioner serves as widely-used household electrical equipment, on one hand, bacteria are easy to breed on a water pan or a heat exchanger of an indoor unit, and on the other hand, air containing the bacteria can be blown into a room by air supply in the running process of the air conditioner to cause secondary pollution.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the present invention provides an air conditioner.
The second aspect of the invention also provides a control method of the air conditioner.
A third aspect of the invention also provides a computer-readable storage medium.
In view of the above, a first aspect of the present invention provides an air conditioner, including: a heat exchanger; the water receiving tray is provided with an accommodating cavity, and at least one part of the heat exchanger is arranged in the accommodating cavity; wherein, be equipped with the outlet on the lateral wall that holds the chamber, the distance between outlet and the diapire that holds the chamber is greater than the distance between heat exchanger and the diapire that holds the chamber.
The invention provides an air conditioner, which comprises a heat exchanger and a water pan, wherein the water pan is positioned below the heat exchanger and is used for containing condensed water generated on the heat exchanger, the condensed water generated by the heat exchanger is prevented from flowing to other parts of the air conditioner and damaging other parts, at least one part of the heat exchanger is arranged in an accommodating cavity of the water pan, and the water pan can contain liquid, so that one part of the heat exchanger can be immersed in the liquid in the water pan, and when the heat exchanger heats, the condensed water on the surface of the heat exchanger can be used for evaporation, the liquid in the water pan can be evaporated to form a large amount of hot steam, so that the space in the air conditioner can be sterilized through the hot steam, and meanwhile, the air blown out of the air conditioner can be cleaner and more sanitary.
Further, the lateral wall that holds the chamber is equipped with the outlet, and the liquid that holds the intracavity can discharge the water collector through the outlet, and wherein, the outlet with hold the distance between the chamber diapire, be greater than the heat exchanger and hold the distance between the chamber diapire for the bottom of heat exchanger can submerge in the liquid that holds the chamber, and then can heat the liquid in the butt joint water tray when the heat exchanger heats the operation, in order to produce a large amount of steam, thereby reach the effect of disinfecting through steam.
In any of the above technical solutions, further, a liquid injection port is further disposed on a side wall of the accommodating chamber, and the liquid injection port is adapted to inject a medium into the accommodating chamber.
In this technical scheme, be equipped with on the lateral wall that holds the chamber and annotate the liquid mouth, can be to holding the intracavity injecting medium through annotating the liquid mouth to can be as required to holding the intracavity injecting medium.
In any of the above technical solutions, further, the air conditioner further includes: the liquid level switch is arranged in the accommodating cavity; the floater is arranged in the accommodating cavity and is abutted against the liquid level switch, and the liquid level switch is suitable for sending a liquid level signal.
In the technical scheme, the air conditioner further comprises a liquid level switch, the liquid level switch is arranged in the containing cavity, the floater floats on the liquid level in the containing cavity, and after the liquid level rises to enable the floater to be abutted against the liquid level switch, the liquid level switch sends a liquid level signal to indicate that the liquid level in the containing cavity reaches a liquid level threshold value.
In any of the above technical solutions, further, the air conditioner further includes: the pump body is communicated with the accommodating cavity; and the fan is arranged corresponding to the heat exchanger.
In this technical scheme, the air conditioner still includes the pump body, and the pump body is linked together with holding the chamber, and the pump body is linked together with the controller of air conditioner, and after liquid level detection switch sent liquid level information to controller, the pump body can extract and hold the liquid in the chamber to avoid holding the liquid level of intracavity too high and spill over.
According to a second aspect of the present invention, there is further provided a control method of an air conditioner, for the air conditioner proposed in any one of the first aspects, the control method comprising: determining whether a liquid level within the receiving chamber reaches a liquid level threshold; and controlling the heating operation of the air conditioner based on the liquid level in the accommodating cavity reaching the liquid level threshold value.
The control method of the air conditioner provided by the second aspect of the invention comprises the steps of determining whether the liquid level in the accommodating cavity reaches a liquid level threshold value or not, and controlling the air conditioner to perform heating operation when the liquid level reaches the liquid level threshold value.
In any of the above technical solutions, further, before the step of determining whether the liquid level in the receiving chamber reaches the liquid level threshold, the method further includes: controlling the air conditioner to run in a refrigerating mode, and starting a fan of the air conditioner.
In this technical scheme, before the liquid level of confirming to hold the intracavity, the normal operating refrigeration of air conditioner, at the air conditioner refrigeration in-process, the heat exchanger can produce the comdenstion water to deposit water through the water collector, and then when the liquid level reached the liquid level threshold value, control air conditioner heating, the comdenstion water on the heat exchanger and the liquid in the water collector evaporate into hot steam simultaneously, disinfect the disinfection with the part in the air conditioner. Further, in the refrigeration process of the air conditioner, a fan of the air conditioner is kept on, or the state of a switch or a windshield of the fan is automatically controlled according to a control program of the air conditioner.
In any of the above technical solutions, further, the step of determining whether the liquid in the accommodating chamber satisfies the liquid level threshold specifically includes: and determining that the liquid level in the accommodating cavity reaches a liquid level threshold value based on the received liquid level signal sent by the liquid level switch of the air conditioner.
In this technical scheme, the cooperation of liquid level switch and float can be confirmed whether the liquid level reaches the liquid level threshold value, specifically, when the float contacts with liquid level switch, liquid level switch sends the liquid level signal, confirms whether the liquid that holds the intracavity satisfies the step of liquid level threshold value specifically including: based on the received liquid level signal, the liquid level in the accommodating cavity is determined to reach a liquid level threshold value, and the liquid level condition in the accommodating cavity is accurately determined.
In any of the above technical solutions, further, after the step of receiving the liquid level signal sent by the liquid level switch of the air conditioner, the method further includes: and controlling the pump body of the air conditioner to be opened.
In the technical scheme, after a liquid level signal sent by the liquid level switch is received, the pump body of the air conditioner is controlled to be opened, so that the phenomenon that the liquid level in the accommodating cavity exceeds the capacity of the accommodating cavity and overflows can be avoided.
In any of the above technical solutions, further, the step of determining whether the liquid level in the accommodating chamber reaches a liquid level threshold specifically includes: acquiring a first time length of refrigerating operation of an air conditioner; based on the first duration reaching the first duration threshold, it is determined that the liquid level within the receiving chamber reaches the liquid level threshold.
In this technical scheme, when the air conditioner refrigerates, the heat exchanger can produce the comdenstion water, and the comdenstion water can flow to in the water collector to make the water level in the water collector rise, based on this, confirm whether the liquid level that holds the intracavity reaches the step of liquid level threshold value, specifically include: and acquiring a first time length of the air conditioner operation, and based on the first time length reaching a first time length threshold value, indicating that the time length of the air conditioner refrigeration operation is enough to generate enough condensed water, so that the liquid level in the containing cavity can be determined to reach the liquid level threshold value.
In any of the above technical solutions, further, after the step of controlling the heating operation of the air conditioner, the method further includes: acquiring a second time length of heating operation of the air conditioner; and controlling the fan to operate at the first rotating speed for a third time length threshold value based on the second time length reaching the second time length threshold value.
In the technical scheme, after the air conditioner is controlled to perform heating operation, the second time length of the heating operation of the air conditioner is acquired, the fan is enabled to operate at the first rotating speed under the condition that the second time length reaches the second time length threshold, so that hot steam generated by the heating operation of the air conditioner can be discharged into the environment where the heat exchanger is located, the environment is disinfected, further, the fan operates at the first rotating speed for the third time length threshold, so that the hot steam generated by the heating operation of the heat exchanger is fully discharged, and the sterilizing effect of the steam is improved.
Further, the fan is in a high-gear state when running at the first rotating speed.
In any of the above technical solutions, further, before the step of controlling the fan to operate at the first speed for the third duration threshold, the method further includes: and controlling the fan to be closed.
In the technical scheme, before the fan is controlled to operate at the first rotating speed for the third time threshold, the fan is controlled to be turned off, namely, in the heating process of the heat exchanger, the fan is controlled to be turned off, so that a closed space is formed inside the air conditioner, and hot steam generated by heating of the heat exchanger can be left inside the air conditioner to sterilize and disinfect the inside of the air conditioner.
In any of the above technical solutions, further, before the step of controlling the fan to operate at the first speed for the third duration threshold, the method further includes: controlling the fan to operate at a second rotating speed and acquiring operation duration; based on the fact that the operation time reaches a fourth time threshold, the fan is controlled to be closed, the fifth time threshold is kept, and then the fan is controlled to operate at a second rotating speed and the operation time is obtained; wherein the second rotation speed is less than the first rotation speed.
In the technical scheme, before the step of controlling the fan to operate at the first rotation speed for the third time length threshold, the intermittent operation of the fan can be controlled, that is, the fan is controlled to operate at the second rotation speed and the operation time length is obtained, and when the operation time length reaches the fourth time length threshold, the fan is controlled to be turned off and the fifth time length threshold is kept, and then the intermittent operation of the fan is controlled by the flow. That is, the intermittent operation of the fan is controlled, that is, the fan is controlled to be turned off after being operated at a low speed for a certain period of time and then is maintained for a certain period of time.
In any of the above technical solutions, further, after the step of controlling the air conditioner to perform cooling operation and turning on the fan of the air conditioner, or before the step of controlling the air conditioner to perform cooling operation and turning on the fan of the air conditioner, the method further includes: and injecting a medium into the water receiving tray.
According to the technical scheme, before the step of refrigerating operation or after the step of starting the refrigerating operation, the method further comprises the step of injecting a medium into the water receiving tray, so that the medium is evaporated through the heat exchanger.
Specifically, the medium comprises a disinfectant, the disinfectant is evaporated through the heat exchanger to disinfect the inner space of the air conditioner, meanwhile, the fan can exhaust air, and the disinfectant is discharged into the space where the air conditioner is located, so that the space where the air conditioner is located is disinfected.
It can be understood that the air conditioner also comprises a liquid injection structure, and the liquid injection structure is communicated with the liquid injection port of the accommodating cavity, so that the liquid injection structure can be controlled to inject media into the water receiving tray.
According to a third aspect of the present invention, there is also provided a computer-readable storage medium comprising: the steps of the method for controlling an air conditioner according to any one of the above second aspects.
The computer-readable storage medium according to the third aspect of the present invention includes the method for controlling an air conditioner according to any one of the above-mentioned second aspects, and therefore has all the advantages of the method for controlling an air conditioner.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic structural diagram of a heat exchanger and a water pan according to one embodiment of the invention;
FIG. 2 is another schematic structural view of a heat exchanger and a water pan according to one embodiment of the invention;
fig. 3 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 4 is another flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 5 is a further flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 6 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating a control method of an air conditioner according to another embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:
100 heat exchangers, 200 water receiving trays, 202 accommodating chambers, 204 water discharging ports and 206 liquid injection ports.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
An air conditioner, a control method of the air conditioner, and a storage medium according to some embodiments of the present invention are described below with reference to fig. 1 to 7.
The first embodiment is as follows:
as shown in fig. 1 and 2, according to an embodiment of the present invention, there is provided an air conditioner including: a heat exchanger 100 and a drip tray 200.
Specifically, the water pan 200 is provided with an accommodating cavity 202, and at least one part of the heat exchanger 100 is arranged in the accommodating cavity 202; wherein, the side wall of the accommodating cavity 202 is provided with a water outlet 204, and the distance between the water outlet 204 and the bottom wall of the accommodating cavity 202 is greater than the distance between the heat exchanger 100 and the bottom wall of the accommodating cavity 202.
The air conditioner provided by the invention comprises a heat exchanger 100 and a water pan 200, wherein the water pan 200 is positioned below the heat exchanger 100 and is used for containing condensed water generated on the heat exchanger 100 and preventing the condensed water generated by the heat exchanger 100 from flowing to other components of the air conditioner and damaging other components, at least one part of the heat exchanger 100 is arranged in a containing cavity 202 of the water pan 200, and the water pan 200 can contain liquid, so that one part of the heat exchanger 100 can be immersed in the liquid in the water pan 200, and when the heat exchanger 100 heats, the liquid in the water pan 200 can be evaporated to form a large amount of hot steam besides the self-condensed water evaporation on the surface of the heat exchanger 100, so that the space in the air conditioner can be sterilized through the hot steam, and the air blown out of the air conditioner can be cleaner and more sanitary.
Specifically, because the penetrability of steam is strong, protein, protoplasm colloid are used for the denaturation solidification under the damp heat condition, and the enzyme system destroys easily, and steam gets into intracellular condensation and becomes water, can emit latent heat and raise the temperature, has more strengthened bactericidal power.
Specifically, the air conditioner includes an indoor unit and an outdoor unit, the heat exchanger 100 is disposed at the indoor unit side, and further, when the air conditioner is operated in a heating mode, the heat exchanger 100 releases heat as a condenser, and when the air conditioner is operated in a cooling mode, the heat exchanger 100 absorbs heat as an evaporator.
Further, as shown in fig. 1 and fig. 2, a water outlet 204 is provided on a side wall of the accommodating cavity 202, and liquid in the accommodating cavity 202 can be discharged out of the water pan 200 through the water outlet 204, wherein a distance between the water outlet 204 and a bottom wall of the accommodating cavity 202 is greater than a distance between the heat exchanger 100 and the bottom wall of the accommodating cavity 202, so that the bottom of the heat exchanger 100 can be immersed in the liquid in the accommodating cavity 202, and further, when the heat exchanger 100 is in heating operation, the liquid in the water pan 200 can be heated to generate a large amount of steam, thereby achieving a sterilization effect through the steam.
Example two:
as shown in fig. 2, according to an embodiment of the present invention, the features defined in the above embodiment are included, and further: the side wall of the holding chamber 202 is further provided with a filling port 206, and the filling port 206 is suitable for filling the medium into the holding chamber 202.
In this embodiment, the side wall of the housing chamber 202 is provided with a pouring port 206, and the medium can be poured into the housing chamber 202 through the pouring port 206, so that the medium can be poured into the housing chamber 202 as needed.
In particular, the medium comprises a disinfecting liquid or water.
Specifically, a sterilization solvent such as 84 disinfectant can be additionally injected from the outside, and the disinfectant or a mixed solution of the disinfectant and the condensed water is evaporated by using a special operation mode of the indoor unit, so that the internal space of the indoor unit itself and the indoor space where the air supply of the indoor unit can reach can be sterilized.
Example three:
according to an embodiment of the invention, including the features defined in any of the above embodiments, and further: the air conditioner further includes: the liquid level switch is arranged in the accommodating cavity 202; a float disposed within the receiving cavity 202, the level switch adapted to send a level signal based on abutment of the float with the level switch.
In this embodiment, the air conditioner further includes a liquid level switch, the liquid level switch is disposed in the accommodating chamber 202, the float floats on the liquid level in the accommodating chamber 202, and when the liquid level rises to make the float contact with the liquid level switch, the liquid level switch sends a liquid level signal indicating that the liquid level in the accommodating chamber 202 reaches a liquid level threshold value.
Specifically, after the liquid level rising float abuts against the liquid level switch, the liquid level switch is disconnected and fed back to the server, and the controller controls the operation of the heat exchanger 100 according to the liquid level information.
Specifically, the liquid level information in the containing cavity 202 can be detected by an infrared liquid level detector.
Further, the air conditioner further includes: the pump body is communicated with the accommodating cavity 202; and the fan is arranged corresponding to the heat exchanger 100.
In this embodiment, the air conditioner further includes a pump body, the pump body is communicated with the accommodating cavity 202, and the pump body is communicated with a controller of the air conditioner, after the liquid level detection switch sends the liquid level information to the controller, the pump body can extract the liquid in the accommodating cavity 202, so as to prevent the liquid level in the accommodating cavity 202 from overflowing due to overhigh liquid level.
Example four:
according to a second aspect of the present invention, a control method of an air conditioner is also provided, which is used for the air conditioner provided in any one of the embodiments of the first aspect.
As shown in fig. 3, a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention is shown, and the control method includes:
step 302: determining whether a liquid level within the receiving chamber reaches a liquid level threshold;
step 304: and controlling the heating operation of the air conditioner based on the liquid level in the accommodating cavity reaching the liquid level threshold value.
The control method of the air conditioner provided by the second aspect of the invention comprises the steps of determining whether the liquid level in the accommodating cavity reaches a liquid level threshold value or not, and controlling the air conditioner to perform heating operation when the liquid level reaches the liquid level threshold value.
Specifically, because the penetrability of steam is strong, protein, protoplasm colloid are used for the denaturation solidification under the damp heat condition, and the enzyme system destroys easily, and steam gets into intracellular condensation and becomes water, can emit latent heat and raise the temperature, has more strengthened bactericidal power.
Specifically, the air conditioner comprises an indoor unit and an outdoor unit, the heat exchanger is arranged on the indoor unit side, and further, when the air conditioner is in heating operation, the heat exchanger is used as a condenser to release heat.
It will be appreciated that the accumulation of liquid in the drip tray may be achieved by adding water or disinfectant to the drip tray. Because the disinfectant can be added into the water pan, the mixed liquid of the condensed water and the disinfectant can be heated by the heat exchanger or the disinfectant can be evaporated, so that the inside of the air conditioner can be sterilized and disinfected more deeply.
Specifically, when the air conditioner is controlled to perform heating operation, the temperature of the tube at the bottom of the heat exchanger is controlled to reach a certain temperature, such as 50-60 ℃.
Further, before the step of determining whether the liquid level in the containing cavity reaches the liquid level threshold value, the method further comprises the following steps: controlling the air conditioner to run in a refrigerating mode, and starting a fan of the air conditioner.
In this embodiment, before confirming the liquid level in the holding chamber, the air conditioner normal operating refrigeration, in the air conditioner refrigeration process, the heat exchanger can produce the comdenstion water to deposit water through the water collector, and then when the liquid level reached the liquid level threshold value, control the air conditioner and heat, evaporate the comdenstion water on the heat exchanger and the liquid in the water collector into hot steam simultaneously, in order to disinfect the disinfection to the part in the air conditioner. Further, in the refrigeration process of the air conditioner, a fan of the air conditioner is kept on, or the state of a switch or a windshield of the fan is automatically controlled according to a control program of the air conditioner.
Specifically, when the air conditioner operates for refrigeration, the air conditioner comprises a common refrigeration mode, and the temperature of a pipe of a heat exchanger is normally controlled at the moment; when the air conditioner operates for refrigeration, the air conditioner also comprises a condensation mode, and the temperature of a pipe of the heat exchanger is controlled to be lower than the dew point temperature; when the air conditioner operates and refrigerates, the air conditioner also comprises a frosting mode, the temperature of a pipe of the heat exchanger is controlled to be lower than the freezing point temperature by 0 ℃ at the moment, further, when the air conditioner is started in the condensation mode, the fan runs according to a set windshield, when the air conditioner is started in the common refrigeration mode, the fan is turned off, and further, when the air conditioner refrigerates, the water pump of the indoor unit is turned off.
Example five:
as shown in fig. 4, another flow chart of a control method of an air conditioner according to an embodiment of the present invention is shown, and the control method includes:
step 402: controlling the air conditioner to perform refrigeration operation, and starting a fan of the air conditioner;
step 404: determining that the liquid level in the accommodating cavity reaches a liquid level threshold value based on a received liquid level signal sent by a liquid level switch of the air conditioner;
step 406: and controlling the heating operation of the air conditioner based on the liquid level in the accommodating cavity reaching the liquid level threshold value.
In this embodiment, the cooperation of the liquid level switch and the float can determine whether the liquid level reaches a liquid level threshold, specifically, when the float contacts the liquid level switch, the liquid level switch sends a liquid level signal, and the step of determining whether the liquid in the accommodating chamber satisfies the liquid level threshold specifically includes: based on the received liquid level signal, the liquid level in the accommodating cavity is determined to reach a liquid level threshold value, and the liquid level condition in the accommodating cavity is accurately determined.
Further, after the step of receiving the liquid level signal sent by the liquid level switch of the air conditioner, the method further comprises the following steps: and controlling the pump body of the air conditioner to be opened.
In the embodiment, after the liquid level signal sent by the liquid level switch is received, the pump body of the air conditioner is controlled to be opened, so that the phenomenon that the liquid level in the accommodating cavity exceeds the capacity of the accommodating cavity and overflows can be avoided.
It can be understood that after the liquid level switch sends a liquid level signal, the pump body is controlled to be opened, and at the moment, a part of the heat exchanger is still positioned below the liquid level in the accommodating cavity.
Example six:
as shown in fig. 5, another flow chart of a control method of an air conditioner according to an embodiment of the present invention is shown, and the control method includes:
step 502: controlling the air conditioner to perform refrigeration operation, and starting a fan of the air conditioner;
step 504: acquiring a first time length of refrigerating operation of an air conditioner;
step 506: determining that the liquid level in the accommodating cavity reaches a liquid level threshold value based on the first time length reaching a first time length threshold value;
step 508: and controlling the heating operation of the air conditioner based on the liquid level in the accommodating cavity reaching the liquid level threshold value.
In this embodiment, when the air conditioner is operated in a refrigerating mode, the heat exchanger can produce condensed water, and the condensed water can flow into the water pan, so that the water level in the water pan rises, and based on this, the step of determining whether the liquid level in the accommodating cavity reaches the liquid level threshold specifically includes: and acquiring a first time length of the air conditioner operation, and based on the first time length reaching a first time length threshold value, indicating that the time length of the air conditioner refrigeration operation is enough to generate enough condensed water, so that the liquid level in the containing cavity can be determined to reach the liquid level threshold value.
Specifically, the first time threshold is a value which is stored in the air conditioner in advance, and the value range of the first time threshold is any value from 1 minute to 1 hour.
In particular, the first duration threshold is generally determined according to the operating mode and the conditions of the unit itself. Specifically, the operation time of the air conditioner in a common refrigeration mode is 2-5 min, the operation time of the condensation mode is 1-4 min, and the operation time of the frosting mode is 0-3 min.
Example seven:
according to an embodiment of the invention, the method comprises the features defined in embodiment five or embodiment six above, and further: after the step of controlling the heating operation of the air conditioner, the method further comprises the following steps: acquiring a second time length of heating operation of the air conditioner; and controlling the fan to operate at the first rotating speed for a third time length threshold value based on the second time length reaching the second time length threshold value.
In the embodiment, after the air conditioner is controlled to perform heating operation, the second time length of the heating operation of the air conditioner is obtained, and the fan is operated at the first rotating speed under the condition that the second time length reaches the second time length threshold value, so that hot steam generated in the heating operation of the air conditioner can be discharged into the environment where the heat exchanger is located to sterilize the environment.
Specifically, the second duration threshold and the third duration threshold are pre-stored in the air conditioner, the value range of the second duration threshold is 20min to 50min, and the value range of the third duration threshold is 5min to 10 min.
Further, the fan is in a high-gear state when running at the first rotating speed.
Example eight:
according to an embodiment of the present invention, the method includes the features defined in the seventh embodiment above, and further: before the step of controlling the fan to operate at the first speed for the third duration threshold, the method further includes: and controlling the fan to be closed.
In this embodiment, before controlling the fan to operate at the first rotation speed for the third duration threshold, the method further includes controlling the fan to be turned off, that is, during the heating process of the heat exchanger, the fan is controlled to be turned off, so that a closed space is formed inside the air conditioner, and therefore hot steam generated by the heating process of the heat exchanger can be left inside the air conditioner, so as to sterilize and disinfect the inside of the air conditioner.
Example nine:
according to an embodiment of the present invention, the method includes the features defined in the seventh embodiment above, and further: before the step of controlling the fan to operate at the first speed for the third duration threshold, the method further includes: controlling the fan to operate at a second rotating speed and acquiring operation duration; based on the fact that the operation time reaches a fourth time threshold, the fan is controlled to be closed, the fifth time threshold is kept, and then the fan is controlled to operate at a second rotating speed and the operation time is obtained; wherein the second rotation speed is less than the first rotation speed.
In this embodiment, before the step of controlling the fan to operate at the first speed for the third duration threshold, the intermittent operation of the fan may also be controlled, that is, the fan is controlled to operate at the second speed and the operation duration is obtained, and when the operation duration reaches the fourth duration threshold, the fan is controlled to be turned off and the fifth duration threshold is maintained, and then the intermittent operation of the fan is controlled by the flow. That is, the intermittent operation of the fan is controlled, that is, the fan is controlled to be turned off after being operated at a low speed for a certain period of time and then is maintained for a certain period of time.
Specifically, the fourth time threshold and the fifth time threshold are pre-stored in the air conditioner, and the value range of the fourth time threshold is any value from 1min to 30 min; the value range of the fifth time length threshold is any value from 1min to 50 min.
Specifically, the first rotating speed is greater than the second rotating speed, namely, in the stage of utilizing the heat exchanger to heat and generate steam, when the fan rotates, the air speed of the fan is reduced, so that the steam quantity in the air conditioner can be ensured, and the sterilization and disinfection effects of the steam on components in the air conditioner are improved. Specifically, the values of the first rotational speed and the second rotational speed may depend on specific parameters of the fan.
Example ten:
according to an embodiment of the invention, comprising the features as defined in the above embodiment, and further: after the step of controlling the air conditioner to perform cooling operation and turning on the fan of the air conditioner, or before the step of controlling the air conditioner to perform cooling operation and turning on the fan of the air conditioner, the method further comprises the following steps: and injecting a medium into the water receiving tray.
In this embodiment, before the step of cooling operation or after the step of starting cooling operation, the method further comprises injecting a medium into the water pan, so that the medium is evaporated through the heat exchanger.
Specifically, the medium comprises a disinfectant, the disinfectant is evaporated through the heat exchanger to disinfect the inner space of the air conditioner, meanwhile, the fan can exhaust air, and the disinfectant is discharged into the space where the air conditioner is located, so that the space where the air conditioner is located is disinfected.
It can be understood that the air conditioner further comprises a liquid injection structure, and the liquid injection structure is communicated with the liquid injection port of the accommodating cavity, so that the liquid injection structure can inject media into the water receiving tray.
Example eleven:
according to one embodiment of the invention, the bottom of the heat exchanger is immersed in the water pan, and the water outlet is arranged so that a part of liquid can be reserved in the water pan and can submerge at the bottom of the heat exchanger. Through the special running mode of the indoor unit, the indoor unit can evaporate condensed water on the surface of the heat exchanger, and can evaporate liquid in the water pan to form hot steam. Because the penetrability of steam is strong, protein, protoplasm colloid are used for the denaturation solidification under the damp heat condition, and the enzyme system destroys easily, and steam gets into intracellular condensation and becomes water, can emit latent heat and raise the temperature, has more strengthened bactericidal power.
Furthermore, a liquid injection port is additionally arranged on the water receiving tray, a sterilization solvent such as 84 disinfectant can be additionally injected from the outside, the disinfectant or a mixed solution of the disinfectant and condensed water is evaporated by utilizing a special operation mode of the indoor unit, and the internal space of the indoor unit and the indoor space where the air supply of the indoor unit can reach can be sterilized.
The control method of the invention comprises the following steps:
as shown in fig. 6, a flowchart of a control method of an air conditioner according to an embodiment of the present invention is shown, where the control method includes:
step 602: controlling the air conditioner to perform refrigeration operation;
step 604: judging whether the liquid level in the accommodating cavity reaches a liquid level threshold value, if so, skipping to a step 606, and if not, returning to the step 602;
step 606: controlling the air conditioner to operate in a heating mode;
step 608: controlling the air conditioner to operate in a sterilization mode;
wherein, step 602 further includes step 610: and injecting disinfectant into the accommodating cavity.
In this embodiment, the air conditioner includes indoor set and off-premises station, and the indoor set includes the heat exchanger, and at first the indoor set normal operating refrigeration (normal control of pipe temperature), condensation (control heat exchanger pipe temperature is less than dew point temperature), frosting (control heat exchanger pipe temperature is less than freezing point temperature 0 ℃) the time through the water collector deposit water, can but not be limited to and close the pump body of indoor set this moment. In this mode, the fan is turned on or the state of the switch or the damper is automatically controlled according to a program (e.g., low condensation wind, normal refrigeration according to a set damper, and the frost fan is turned off).
And then, judging according to conditions, namely judging according to a water level float switch arranged in the indoor unit, and judging that the water storage is enough when the liquid level reaches a liquid level threshold value and the liquid level switch is disconnected. This liquid level switch also can be used to judge opening of indoor set pump body, when the liquid level reached liquid level threshold value, liquid level switch disconnection, lets the pump body open, prevents that the liquid level is too high to appear the overflow. The process can also be carried out by filling the disinfectant to achieve a sufficiently high level.
As shown in fig. 7, a flowchart of a control method of an air conditioner according to an embodiment of the present invention is shown, where the control method includes:
step 702: controlling the air conditioner to perform refrigeration operation;
step 704: judging whether the first time length of the refrigeration operation of the air conditioner reaches a first time length threshold value, if so, skipping to a step 706, and if not, returning to the step 702;
step 706: controlling the air conditioner to operate in a heating mode;
step 708: controlling the air conditioner to operate in a sterilization mode;
wherein, step 702 further comprises step 710: and injecting disinfectant into the accommodating cavity.
Optionally, if the indoor unit has no liquid level switch or has a liquid level switch fault, the judgment is carried out according to the first time length of the refrigeration operation, and after the refrigeration/condensation/frosting operation is carried out by the first time length threshold value, the water storage is considered to be enough. The first duration threshold is generally determined according to the operating mode (normal refrigeration, defrost, condensation, etc.) and the conditions of the unit itself. Specifically, the normal refrigeration operation is performed for 2min to 5min, the condensation mode operation is performed for 1min to 4min, and the frosting mode operation is performed for 0min to 3 min. When the disinfectant is added externally, the refrigeration/defrosting/condensation process can be skipped directly.
The heating and steam generation mode is then operated. For a unit with one unit (when an outdoor unit and an indoor unit are connected), the temperature of the bottom pipe of the heat exchanger of the indoor unit is controlled to reach a certain degree, such as 50-60 ℃, the temperature value is determined according to the high-pressure which can be borne by the system, the higher the temperature value is, the better the temperature value is, and then the condensed water condensed on the heat exchanger in the previous stage and the solution in the water pan can be heated and evaporated by utilizing the hot gas in the pipe to form the hot steam in the closed space, and the fan of the indoor unit is usually closed or can be intermittently turned into low wind to run in the process. For a multi-connected unit (one outdoor unit and a plurality of indoor units are connected), other indoor units can be operated, a fan of the indoor unit needing water storage and disinfection is turned off for a long time, the steam evaporation effect is ensured to be sufficient, and the process of generating steam can be more stable and lasting compared with a system with one outdoor unit.
And finally, performing a steam sterilization mode, after the steam generation mode operates for a second time threshold (the second time threshold can be, but is not limited to, a set time, specifically, the second time threshold can be 20 min-50 min), so that the system is normally heated, the indoor fan turns to high wind, the evaporated hot steam is blown to the room to operate for a third time threshold, specifically, the third time threshold is 5 min-10 min, and all formed steam can be blown out to form a sterilization and disinfection effect in the room. The air conditioner in the related art has a self-cleaning function, and the system is operated, so that frost or condensation on the heat exchanger is used for cleaning the heat exchanger, the external space, namely the indoor space, is difficult to effectively sterilize, and a large amount of steam cannot be generated, so that the components in the air conditioner cannot be sterilized.
The last step of steam sterilization mode is optional, both can select to blow out hot steam and disinfect to the room promptly, also can remain hot steam inside indoor set, disinfect to the internal environment.
Example twelve:
according to a third aspect of the present invention, there is also provided a computer-readable storage medium comprising: the steps of the control method of the air conditioner proposed in any one of the embodiments of the second aspect above.
The computer-readable storage medium according to the third aspect of the present invention includes the control method for an air conditioner according to any of the embodiments of the second aspect, and therefore has all the advantages of the control method for an air conditioner.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A control method of an air conditioner, characterized in that the air conditioner comprises: a heat exchanger; the water pan is provided with an accommodating cavity, and at least one part of the heat exchanger is arranged in the accommodating cavity; a water outlet is arranged on the side wall of the accommodating cavity, and the distance between the water outlet and the bottom wall of the accommodating cavity is greater than the distance between the heat exchanger and the bottom wall of the accommodating cavity; the side wall of the accommodating cavity is also provided with a liquid injection port, and the liquid injection port is suitable for injecting a sterilization medium into the accommodating cavity; the control method comprises the following steps:
determining whether a liquid level within the receiving chamber reaches a liquid level threshold;
controlling the air conditioner to perform heating operation based on the liquid level in the accommodating cavity reaching the liquid level threshold;
before the step of determining whether the liquid level in the containing cavity reaches the liquid level threshold value, the method further comprises the following steps:
controlling the air conditioner to perform refrigeration operation, and starting a fan of the air conditioner;
during the cooling process of the air conditioner, the fan is kept on, or
And automatically controlling the state of the switch or the wind shield of the fan according to the control program of the air conditioner.
2. The method for controlling an air conditioner according to claim 1, wherein the step of determining whether the liquid in the accommodating chamber satisfies a liquid level threshold specifically comprises:
and determining that the liquid level in the accommodating cavity reaches the liquid level threshold value based on the received liquid level signal sent by the liquid level switch of the air conditioner.
3. The method for controlling an air conditioner according to claim 2, wherein the step of receiving a liquid level signal from a liquid level switch of the air conditioner is followed by the steps of:
and controlling the pump body of the air conditioner to be opened.
4. The method for controlling an air conditioner according to claim 1, wherein the step of determining whether the liquid level in the accommodating chamber reaches a liquid level threshold value specifically comprises:
acquiring a first time length of refrigerating operation of the air conditioner;
determining that the liquid level within the receiving chamber reaches a first time threshold based on the first time reaching the first time threshold.
5. The control method of an air conditioner according to any one of claims 1 to 4, further comprising, after the step of controlling the heating operation of the air conditioner:
acquiring a second time length of heating operation of the air conditioner;
and controlling the fan to operate at the first rotating speed for a third time length threshold value based on the second time length reaching the second time length threshold value.
6. The method as claimed in claim 5, wherein the step of controlling the fan to operate at the first rotation speed for a third time threshold is preceded by the step of:
controlling the fan to be closed; or
Controlling the fan to operate at a second rotating speed and acquiring operation duration;
controlling the fan to be closed and keeping a fifth time threshold value based on the fact that the operation time reaches a fourth time threshold value, and then returning to the step of controlling the fan to operate at the second rotating speed and obtaining the operation time;
wherein the second rotational speed is less than the first rotational speed.
7. The method for controlling an air conditioner according to any one of claims 1 to 4, wherein after the step of controlling the air conditioner to perform cooling operation and turning on the blower of the air conditioner or before the step of controlling the air conditioner to perform cooling operation and turning on the blower of the air conditioner, the method further comprises:
and injecting a medium into the water receiving tray.
8. A computer-readable storage medium, characterized in that a computer program is stored thereon, which, when being executed by a processor, performs the steps of the control method of an air conditioner according to any one of claims 1 to 7.
9. An air conditioner employing the control method of the air conditioner as claimed in any one of claims 1 to 7, characterized by comprising:
a heat exchanger;
the water pan is provided with an accommodating cavity, and at least one part of the heat exchanger is arranged in the accommodating cavity;
a water outlet is arranged on the side wall of the accommodating cavity, and the distance between the water outlet and the bottom wall of the accommodating cavity is greater than the distance between the heat exchanger and the bottom wall of the accommodating cavity;
the side wall of the containing cavity is also provided with a liquid injection port, and the liquid injection port is suitable for injecting a sterilization medium into the containing cavity.
10. The air conditioner according to claim 9, further comprising:
the liquid level switch is arranged in the accommodating cavity;
the floater is arranged in the accommodating cavity, and the liquid level switch is suitable for sending a liquid level signal based on the abutting of the floater and the liquid level switch; and/or
The pump body is communicated with the accommodating cavity; and/or
And the fan is arranged corresponding to the heat exchanger.
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