CN113465130B - Control method and device of air conditioner and computer readable storage medium - Google Patents

Control method and device of air conditioner and computer readable storage medium Download PDF

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Publication number
CN113465130B
CN113465130B CN202110780274.7A CN202110780274A CN113465130B CN 113465130 B CN113465130 B CN 113465130B CN 202110780274 A CN202110780274 A CN 202110780274A CN 113465130 B CN113465130 B CN 113465130B
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air conditioner
target air
sensible heat
heat ratio
indoor
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CN113465130A (en
Inventor
刘钊行
陈继稳
戴志炜
冯帅飞
李木湖
冯青龙
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • 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
    • F24F2110/20—Humidity

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a control method and a control device of an air conditioner and a computer readable storage medium. Wherein, the method comprises the following steps: determining the sensible heat ratio of a refrigerating system of a target air conditioner; acquiring a comparison result of the sensible heat ratio and a preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result; the control target air conditioner operates according to the control mode, and the control method of the air conditioner provided by the embodiment of the invention is used. The invention solves the technical problem that the utilization rate of the air conditioner to the condensed water is not high or the cold energy contained in the condensed water cannot be reasonably utilized because the air conditioner is not directly discharged.

Description

Control method and device of air conditioner and computer readable storage medium
Technical Field
The invention relates to the field of intelligent household appliance control, in particular to a control method and device of an air conditioner and a computer readable storage medium.
Background
The existing air conditioner has the problems that the utilization rate of condensed water is not high or the condensed water is not utilized and directly discharged, and the cold energy contained in the condensed water cannot be reasonably utilized. The generation of the condensed water increases the latent heat capacity in the refrigeration system, thereby reducing the refrigeration capacity for reducing the temperature of the indoor air and affecting the refrigeration effect of the refrigeration system of the whole air conditioner.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a control method and a device thereof for an air conditioner and a computer readable storage medium, which at least solve the technical problem that the utilization rate of condensed water by the air conditioner is not high or the cold energy contained in the condensed water cannot be reasonably utilized because the condensed water is not directly discharged in the related technology.
According to an aspect of an embodiment of the present invention, there is provided a control method of an air conditioner, including: determining the sensible heat ratio of a refrigerating system of a target air conditioner; acquiring a comparison result of the sensible heat ratio and a preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result; and controlling the target air conditioner to operate according to the control mode.
Optionally, determining the sensible heat ratio of the refrigeration system of the target air conditioner comprises: acquiring the indoor moisture content and the indoor environment temperature of the target air conditioner; determining a sensible heat ratio of a refrigeration system of the target air conditioner based on the indoor moisture content and the indoor ambient temperature.
Optionally, acquiring the indoor moisture content of the target air conditioner includes: when the target air conditioner operates in a cooling mode, acquiring an indoor target temperature of the target air conditioner; acquiring the indoor dry bulb temperature of the target air conditioner; when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be smaller than or equal to a first preset temperature difference, counting the operation time of the refrigerating system; detecting the indoor moisture content of the target air conditioner when the running time is determined to be greater than or equal to the preset time; and acquiring the indoor moisture content of the target air conditioner based on the detection result.
Optionally, the control method of the air conditioner further includes: and when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be larger than the first preset temperature difference, controlling the target air conditioner to continuously operate according to the indoor target temperature, and obtaining the indoor dry bulb temperature of the target air conditioner again.
Optionally based on the moisture content in the chamber and the chamberThe internal environment temperature determines the sensible heat ratio of the refrigerating system of the target air conditioner, and the method comprises the following steps: determining a sensible heat ratio of a refrigeration system of the target air conditioner through a predetermined formula, wherein the predetermined formula is as follows:
Figure BDA0003156465670000021
i represents the sensible heat ratio, d represents the moisture content in the chamber, t1Representing the indoor ambient temperature.
Optionally, the preset sensible heat ratio comprises: the method comprises the following steps of obtaining a comparison result of the sensible heat ratio and a preset sensible heat ratio by a first preset sensible heat ratio and a second preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result, wherein the control mode comprises the following steps: comparing the sensible heat ratio with the first preset sensible heat ratio to obtain a first comparison result; when the first comparison result shows that the sensible heat ratio is smaller than or equal to the first preset sensible heat ratio, determining that the control mode of the target air conditioner is a first control mode; when the first comparison result shows that the sensible heat ratio is larger than the first preset sensible heat ratio, comparing the sensible heat ratio with a second preset sensible heat ratio to obtain a second comparison result; and when the second comparison result shows that the sensible heat ratio is greater than or equal to the second preset sensible heat ratio, determining that the control mode of the target air conditioner is a second control mode.
Optionally, the control method of the air conditioner further includes: when the second comparison result shows that the sensible heat ratio is smaller than a second preset sensible heat ratio, detecting whether the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to a second preset temperature difference to obtain a detection result; when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to the second preset temperature difference, controlling the target air conditioner to enter a fuzzy control state; and returning to the step of acquiring the indoor moisture content of the target air conditioner when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is greater than the second preset temperature difference.
Optionally, controlling the target air conditioner to operate according to the control mode includes one of: controlling the running frequency of a compressor of the target air conditioner to reduce a first preset frequency according to the first control mode, and controlling the rotating speed of an inner fan of the target air conditioner to increase a first preset rotating speed; and controlling the running frequency of the compressor of the target air conditioner to increase a second preset frequency according to the second control mode, and controlling the rotating speed of the inner fan of the target air conditioner to decrease a second preset rotating speed.
Optionally, the control method of the air conditioner further includes: when the target air conditioner is controlled to operate according to the control mode, the accumulated time length of the target air conditioner operating according to the control mode is counted; and returning to the step of acquiring the indoor moisture content of the target air conditioner when the accumulated time length is determined to reach the preset time length.
According to another aspect of the embodiments of the present invention, there is also provided a control apparatus of an air conditioner, including: the determining module is used for determining the sensible heat ratio of a refrigerating system of the target air conditioner; the acquisition module is used for acquiring a comparison result of the sensible heat ratio and a preset sensible heat ratio and determining a control mode of the target air conditioner based on the comparison result; and the first control module is used for controlling the target air conditioner to operate according to the control mode.
Optionally, the determining module includes: an acquisition unit configured to acquire an indoor moisture content and an indoor ambient temperature of the target air conditioner; a first determination unit for determining a sensible heat ratio of a refrigeration system of the target air conditioner based on the indoor moisture content and the indoor ambient temperature.
Optionally, the obtaining unit includes: the first acquiring subunit is used for acquiring the indoor target temperature of the target air conditioner when the target air conditioner operates in a cooling mode; the second acquisition subunit is used for acquiring the indoor dry bulb temperature of the target air conditioner; the counting subunit is used for counting the running time of the refrigeration system when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be smaller than or equal to a first preset temperature difference; the detection subunit is used for detecting the indoor moisture content of the target air conditioner when the operation time length is determined to be greater than or equal to the preset time length; and the third acquisition subunit is used for acquiring the indoor moisture content of the target air conditioner based on the detection result.
Optionally, the control device of the air conditioner further includes: and the second control module is used for controlling the target air conditioner to continuously operate according to the indoor target temperature and reacquire the indoor dry bulb temperature of the target air conditioner when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be greater than the first preset temperature difference.
Optionally, the determining unit includes: a determining subunit, configured to determine a sensible heat ratio of a refrigeration system of the target air conditioner according to a predetermined formula, where the predetermined formula is:
Figure BDA0003156465670000031
i represents the sensible heat ratio, d represents the moisture content in the chamber, t1Representing the indoor ambient temperature.
Optionally, the preset sensible heat ratio comprises: the method comprises the following steps of obtaining a comparison result of the sensible heat ratio and a preset sensible heat ratio by a first preset sensible heat ratio and a second preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result, wherein the control mode comprises the following steps: the first comparison unit is used for comparing the sensible heat ratio with the first preset sensible heat ratio to obtain a first comparison result; the second determining unit is used for determining that the control mode of the target air conditioner is the first control mode when the first comparison result shows that the sensible heat ratio is smaller than or equal to the first preset sensible heat ratio; the second comparison unit is used for comparing the sensible heat ratio with a second preset sensible heat ratio to obtain a second comparison result when the first comparison result shows that the sensible heat ratio is larger than the first preset sensible heat ratio; and the third determining unit determines that the control mode of the target air conditioner is the second control mode when the second comparison result shows that the sensible heat ratio is greater than or equal to the second preset sensible heat ratio.
Optionally, the control device of the air conditioner further includes: the monitoring unit is used for detecting whether the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to a second preset temperature difference or not when the second comparison result shows that the sensible heat ratio is smaller than a second preset sensible heat ratio, so as to obtain a detection result; the first control unit is used for controlling the target air conditioner to enter a fuzzy control state when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to the second preset temperature difference; and the returning unit is used for returning to the step of acquiring the indoor moisture content of the target air conditioner when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is greater than the second preset temperature difference.
Optionally, the first control module includes one of: the second control unit is used for controlling the running frequency of the compressor of the target air conditioner to reduce a first preset frequency according to the first control mode and controlling the rotating speed of an inner fan of the target air conditioner to increase a first preset rotating speed; and the third control unit is used for controlling the running frequency of the compressor of the target air conditioner to increase by a second preset frequency according to the second control mode and controlling the rotating speed of the inner fan of the target air conditioner to decrease by a second preset rotating speed.
Optionally, the control device of the air conditioner further includes: the counting module is used for counting the accumulated time length of the target air conditioner running according to the control mode while controlling the target air conditioner to run according to the control mode; and the return module is used for returning to the step of acquiring the indoor moisture content of the target air conditioner when the accumulated time length is determined to reach the preset time length.
According to another aspect of the embodiment of the present invention, there is also provided an air conditioner using the control method of the air conditioner according to any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored computer program, wherein when the computer program is executed by a processor, the apparatus where the computer-readable storage medium is located is controlled to execute the control method of the air conditioner according to any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a computer program, wherein the computer program executes to execute the control method of the air conditioner according to any one of the above embodiments.
In the embodiment of the invention, the sensible heat ratio of the refrigerating system of the target air conditioner is determined; acquiring a comparison result of the sensible heat ratio and a preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result; the control method of the air conditioner achieves the aim of controlling the air conditioner according to the result of the actual apparent heat ratio and the preset apparent heat ratio, thereby realizing the technical effect of improving the energy utilization rate of the whole system, and further solving the technical problem that the utilization rate of the air conditioner to the condensed water is not high or the cold quantity contained in the condensed water cannot be reasonably utilized because the air conditioner is not directly discharged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a control method of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a wicking structure according to an embodiment of the invention;
fig. 3 is a control logic diagram of a control method of an air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a control apparatus of an air conditioner according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided a method embodiment of a method for controlling an air conditioner, wherein the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer-executable instructions, and wherein, although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
Fig. 1 is a flowchart of a control method of an air conditioner according to an embodiment of the present invention, as shown in fig. 1, the method including the steps of:
and step S102, determining the sensible heat ratio of the refrigerating system of the target air conditioner.
The sensible heat ratio refers to that the total load of the air conditioner consists of a sensible load and a latent load, and the ratio of the sensible load to the total load is the sensible heat ratio, wherein the larger the sensible heat ratio is, the more obvious the cooling effect is, the higher the working efficiency of the air conditioner is, and generally, the sensible heat ratio of the air conditioner can reach more than 95%.
In the above description, the sensible load is used for lowering the temperature of the air conditioner, and the latent load is used for removing the moisture content of the air conditioner.
And step S104, acquiring a comparison result of the sensible heat ratio and a preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result.
And step S106, controlling the target air conditioner to operate according to the control mode.
As can be seen from the above, in the embodiment of the present invention, the sensible heat ratio of the refrigeration system of the target air conditioner may be determined first; then obtaining a comparison result of the sensible heat ratio and a preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result; and finally, the target air conditioner is controlled to operate according to a control mode, so that the aim of controlling the air conditioner according to the result of the actual sensible heat ratio and the preset sensible heat ratio is fulfilled, the technical effect of improving the energy utilization rate of the whole system is achieved, and the energy utilization efficiency of the air conditioner system is improved.
Therefore, the technical problem that the utilization rate of the air conditioner to the condensed water is not high or the cold energy contained in the condensed water cannot be reasonably utilized because the air conditioner is not directly discharged in the related technology is solved through the control method of the air conditioner.
As an alternative embodiment, in the step S102, determining the sensible heat ratio of the refrigeration system of the target air conditioner may include: acquiring the indoor moisture content and the indoor environment temperature of a target air conditioner; the sensible heat ratio of the refrigeration system of the target air conditioner is determined based on the indoor moisture content and the indoor ambient temperature.
Alternatively, in the alternative embodiment described above, the moisture content refers to the mass of water vapour mixed per kilogram of mass of dry air, generally indicated as d. The moisture content is proportional to the partial pressure of water vapor and inversely proportional to the total pressure of air.
As an alternative embodiment, the acquiring the indoor moisture content of the target air conditioner includes: when the target air conditioner operates in a refrigeration mode, acquiring an indoor target temperature of the target air conditioner; acquiring the indoor dry bulb temperature of a target air conditioner; when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be smaller than or equal to a first preset temperature difference, counting the operation time of the refrigeration system; detecting the indoor moisture content of the target air conditioner when the operation time length is determined to be greater than or equal to the preset time length; and acquiring the indoor moisture content of the target air conditioner based on the detection result.
It should be noted that, in the above alternative embodiment, the dry bulb temperature refers to a value read from a dry bulb temperature meter exposed to air without direct irradiation of the sun, and generally refers to a temperature measured in ordinary air.
As an optional embodiment, the control method of the air conditioner further includes: and when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be larger than the first preset temperature difference, controlling the target air conditioner to continuously operate according to the indoor target temperature, and acquiring the indoor dry bulb temperature of the target air conditioner again.
It should be noted that, in the above embodiment, when the air conditioner is started to operate and reaches the set temperature, the sensible heat ratio is controlled to be within the critical range of 85% to 95%, and when the sensible heat ratio is not within the critical range, the sensible heat ratio is controlled and adjusted, and the capillary action of the sponge strips enables the cold energy contained in the condensed water generated by the refrigeration system to be reused, so that the energy utilization rate of the air conditioner in the operation process is improved, and the operation energy efficiency of the air conditioner system is further improved. When the system load is small and the sensible heat ratio is high, the capillary action of the sponge strips can absorb and guide condensed water generated by the evaporator, the sensible heat ratio is further improved, and if the system load is small and the sensible heat ratio is higher than 95%, the frequency of the compressor is controlled to be increased to reach the set temperature more quickly; when the system load is large, the sensible heat ratio is small, the amount of generated condensed water exceeds the capillary action capacity of the sponge strip, the sensible heat ratio can be gradually reduced until the amount of the generated condensed water is reduced to 85%, the system operation frequency is reduced, meanwhile, the rotating speed of the inner fan is increased, the heat exchange between the sponge strip and air is increased, and the sensible heat ratio is improved.
It should be noted that, in the cooling operation state, when the set temperature is low or the temperature difference between the set temperature and the indoor air temperature is large, the cooling capacity of the system is large, the sensible heat ratio is reduced, and at this time, the sensible heat ratio is about 70% to 75% (obtained by testing under the rated working condition).
As an alternative embodiment, the determining the sensible heat ratio of the refrigeration system of the target air conditioner based on the indoor moisture content and the indoor ambient temperature includes: determining the sensible heat ratio of a refrigerating system of the target air conditioner through a predetermined formula, wherein the predetermined formula is as follows:
Figure BDA0003156465670000071
i represents the sensible heat ratio, d represents the indoor moisture content, and t1 represents the indoor ambient temperature.
As an alternative embodiment, the preset sensible heat ratio includes: the first preset sensible heat ratio and the second preset sensible heat ratio are compared, the comparison result of the sensible heat ratio and the preset sensible heat ratio is obtained, and the control mode of the target air conditioner is determined based on the comparison result, and the method comprises the following steps: comparing the sensible heat ratio with a first preset sensible heat ratio to obtain a first comparison result; when the first comparison result shows that the sensible heat ratio is less than or equal to a first preset sensible heat ratio, determining that the control mode of the target air conditioner is a first control mode; when the first comparison result shows that the sensible heat ratio is larger than a first preset sensible heat ratio, comparing the sensible heat ratio with a second preset sensible heat ratio to obtain a second comparison result; and when the second comparison result shows that the sensible heat ratio is greater than or equal to a second preset sensible heat ratio, determining that the control mode of the target air conditioner is a second control mode.
From the above, if the load of the air conditioning system is small and the sensible heat ratio is higher than 95%, the frequency of the compressor is controlled to be increased to reach the set temperature more quickly; when the system load is large, the sensible heat ratio is small, the amount of generated condensed water exceeds the capillary action capacity of the sponge strips, the sensible heat ratio can be gradually reduced until the amount of the generated condensed water is reduced to 85%, the system operation frequency is reduced, meanwhile, the rotating speed of the inner fan is increased, the heat exchange between the sponge strips and air is increased, and the sensible heat ratio is improved. Therefore, in the embodiment of the present invention, the first preset sensible heat ratio may be: 85%, the second preset sensible heat ratio may be: 95 percent. It should be noted that the first preset sensible heat ratio and the second preset sensible heat ratio may also be set to other values according to different models or other characteristics of the air conditioning system.
As an optional embodiment, the control method of the air conditioner further includes: when the second comparison result shows that the sensible heat ratio is smaller than a second preset sensible heat ratio, detecting whether the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to the second preset temperature difference to obtain a detection result; when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to a second preset temperature difference, controlling the target air conditioner to enter a fuzzy control state; and returning to the step of acquiring the indoor moisture content of the target air conditioner when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is greater than the second preset temperature difference.
As an alternative embodiment, the control target air conditioner operates in a control manner, including one of: controlling the running frequency of a compressor of the target air conditioner to reduce a first preset frequency according to a first control mode, and controlling the rotating speed of an inner fan of the target air conditioner to increase a first preset rotating speed; and controlling the running frequency of the compressor of the target air conditioner to increase a second preset frequency according to a second control mode, and controlling the rotating speed of the inner fan of the target air conditioner to decrease a second preset rotating speed.
As an optional embodiment, the control method of the air conditioner further includes: when the target air conditioner is controlled to operate according to the control mode, the accumulated time length of the target air conditioner operating according to the control mode is counted; and returning to the step of acquiring the indoor moisture content of the target air conditioner when the accumulated time length is determined to reach the preset time length.
Fig. 2 is a schematic view of a wicking structure according to an embodiment of the invention, as shown in fig. 2, where wicking refers to the elevation of the wetting liquid in the fine voids. The sponge strip has numerous tiny pores, water is wetting liquid for the sponge strip, when the sponge strip touches water, the liquid surface in the pores is concave because the water wets the sponge, the liquid surface is similar to a tensioned rubber membrane, and if the liquid surface is bent, the sponge strip has the tendency of flattening. The meniscus thus exerts a pulling force on the underlying liquid and the meniscus exerts a pressure on the underlying liquid. The liquid level of the wetting liquid in the capillary is concave, the wetting liquid exerts pulling force on the liquid below the wetting liquid to enable the liquid to rise along the pipe wall, when the upward pulling force is equal to the gravity borne by the liquid column in the pipe, the liquid in the pipe stops rising, a capillary phenomenon is formed, and then the water fills the gap of the sponge.
A plurality of sections of sponge strips are arranged between the lower part of the evaporator and the water receiving tray, so that condensed water flowing down between fins of the evaporator during refrigerating operation firstly infiltrates the sponge strips, and redundant water flows into the water receiving tray and is discharged. The positions of the sponge strips between the evaporator and the electric heater are arranged, the sponge strips guide condensed water to an air outlet area of the air conditioner by utilizing the capillary action, the temperature of indoor air is reduced together through low-temperature condensed water and the evaporator, the cold quantity taken away by the condensed water is reduced, the apparent heat ratio is improved, and the purpose of improving the refrigeration effect is achieved.
FIG. 3 is a schematic diagram of the control logic of the control method of the air conditioner according to the embodiment of the present invention, as shown in FIG. 3, the air conditioner is first set to the cooling mode by starting up, and the target temperature t of the air conditioner is set0And detecting the temperature t of the indoor air dry bulb1(i.e., indoor dry bulb humidity), and then calculates a temperature difference Δ t | t between the set temperature (i.e., indoor target temperature) and the indoor temperature (indoor dry bulb humidity)0-t1︱。
1) Circularly judging whether the temperature difference meets the condition that delta t is less than or equal to delta t1：
If not, Δ t is less than or equal to Δ t1Then, continue to run T0Returning to the detection of the indoor air dry bulb temperature t1A state; if Δ t is less than or equal to Δ t1And then the next step is carried out, and the refrigerating operation duration time T is detected.
2) Circularly judging whether the refrigeration operation duration time meets T ≥ T3(i.e., preset duration):
if T is not satisfied, T is more than or equal to T3Then go back to detection againA refrigeration operation duration time T state; if T is more than or equal to T3Then, the next step is carried out to detect the indoor air moisture content d.
3) Calculating a sensible heat ratio i of the refrigerating system, and circularly judging whether the sensible heat ratio satisfies that i is less than or equal to 85%:
if i is less than or equal to 85%, reducing the running frequency n of the compressor1Hz, increasing the rotation speed m of the internal fan1rpm, continuous operation T1Returning to the state of detecting the indoor air moisture content d; if the i is not more than 85 percent, circularly judging whether the sensible heat ratio satisfies the i is more than or equal to 95 percent: if i is more than or equal to 95 percent, increasing the running frequency n of the compressor2Hz, reducing the rotating speed m of the internal fan2rpm, continuous operation T2Returning to the state of detecting the indoor air moisture content d; if the difference between the indoor air temperature and the set temperature meets the condition that the i is not less than 95 percent, judging whether the temperature difference between the indoor air temperature and the set temperature meets the condition that delta t is not more than delta t2: if Δ t is less than or equal to Δ t2If the temperature reaches the set temperature, the air conditioner enters a fuzzy control state; if not, Δ t is less than or equal to Δ t2Then, the indoor air moisture content d is detected again. And continuing to perform loop judgment.
It should be noted that when the temperature difference between the set temperature and the indoor air temperature is large, Δ t is greater than or equal to Δ t1At the temperature of the temperature, the temperature is not controlled and adjusted by the sensible heat ratio in order to ensure the rapid refrigeration comfort. In order to prevent misjudgment of sensible heat ratio caused by the fact that the refrigerating system is just started to operate and high-power operation when the difference between the set temperature and the indoor air temperature is small, the refrigerating operation duration T is set3And then the detection is started.
Therefore, the invention solves the problem that the refrigeration effect is influenced by invalid latent heat generated in the operation process of the system, solves the problem of energy waste caused by direct discharge of unused condensed water in the operation process of the system, simultaneously improves the apparent heat ratio in the refrigeration system, increases the cooling capacity for indoor air temperature reduction, improves the refrigeration effect, utilizes the condensed water in the operation process of the system, and improves the energy utilization rate of the whole system.
According to the control method of the air conditioner provided by the embodiment of the invention, in a refrigeration mode, condensed water is guided to the inner air outlet duct by utilizing the capillary action (such as the sponge strip), the cold energy contained in the low-temperature condensed water is released again for indoor refrigeration, and the aim of improving the refrigeration effect is achieved by improving the apparent heat ratio of a refrigeration system. Whether the refrigeration system enters a sensible heat ratio adjusting state is judged by detecting the sensible heat ratio, the refrigeration operation duration time and the temperature difference between the indoor temperature and the set temperature, and the sensible heat ratio of the refrigeration system is controlled by adjusting the operation frequency of the compressor and the rotating speed of the inner fan.
Example 2
According to another aspect of the embodiment of the present invention, there is also provided a control apparatus of an air conditioner, and fig. 4 is a schematic view of the control apparatus of the air conditioner according to the embodiment of the present invention, as shown in fig. 4, the control apparatus of the air conditioner including: a determination module 41, an acquisition module 43, and a first control module 45. The following describes a control device of the air conditioner.
The determining module 41 is used for determining the sensible heat ratio of the refrigerating system of the target air conditioner.
And an obtaining module 43, configured to obtain a comparison result between the sensible heat ratio and a preset sensible heat ratio, and determine a control mode for the target air conditioner based on the comparison result.
And the first control module 45 is used for controlling the target air conditioner to operate according to a control mode.
It should be noted that the determining module 41, the obtaining module 43 and the first control module 45 correspond to steps S102 to S106 in embodiment 1, and the modules are the same as the corresponding steps in implementation examples and application scenarios, but are not limited to the disclosure in embodiment 1. It should be noted that the modules described above as part of an apparatus may be implemented in a computer system such as a set of computer-executable instructions.
As can be seen from the above, in the embodiment of the present invention, the determination module 41 is first utilized to determine the sensible heat ratio of the refrigeration system of the target air conditioner; then, the obtaining module 43 is used for obtaining the comparison result of the sensible heat ratio and the preset sensible heat ratio, and the control mode of the target air conditioner is determined based on the comparison result; and finally, the target air conditioner is controlled to operate according to the control mode by utilizing the first control module 45. Through the control device of the air conditioner, the purpose of controlling the air conditioner according to the result of the actual sensible heat ratio and the preset sensible heat ratio is achieved, so that the technical effect of improving the energy utilization rate of the whole system is achieved, and the technical problem that the cold quantity contained in the condensed water cannot be reasonably utilized due to the fact that the utilization rate of the condensed water by the air conditioner is not high or the condensed water is not directly discharged in the related technology is solved.
Optionally, the control device of the air conditioner further includes: an acquisition unit configured to acquire an indoor moisture content and an indoor ambient temperature of a target air conditioner; a first determination unit for determining a sensible heat ratio of a refrigeration system of the target air conditioner based on the indoor moisture content and the indoor ambient temperature.
Optionally, the control device of the air conditioner further includes: the first acquiring subunit is used for acquiring the indoor target temperature of the target air conditioner when the target air conditioner operates in a cooling mode; the second acquisition subunit is used for acquiring the indoor dry bulb temperature of the target air conditioner; the counting subunit is used for counting the running time of the refrigeration system when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be less than or equal to a first preset temperature difference; the detection subunit is used for detecting the indoor moisture content of the target air conditioner when the operation time length is determined to be greater than or equal to the preset time length; and a third acquisition subunit for acquiring the indoor moisture content of the target air conditioner based on the detection result.
Optionally, the control device of the air conditioner further comprises: and the second control module is used for controlling the target air conditioner to continuously operate according to the indoor target temperature and reacquiring the indoor dry bulb temperature of the target air conditioner when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be greater than the first preset temperature difference.
Optionally, the control device of the air conditioner further includes: the determining subunit is used for determining the sensible heat ratio of the refrigerating system of the target air conditioner through a predetermined formula, wherein the predetermined formula is as follows:
Figure BDA0003156465670000111
i represents sensible heat ratio, d represents indoor moisture content, t1Representing the indoor ambient temperature.
Optionally, the preset sensible heat ratio comprises: the first preset sensible heat ratio and the second preset sensible heat ratio are compared, the comparison result of the sensible heat ratio and the preset sensible heat ratio is obtained, and the control mode of the target air conditioner is determined based on the comparison result, and the method comprises the following steps: the first comparison unit is used for comparing the sensible heat ratio with a first preset sensible heat ratio to obtain a first comparison result; the second determining unit is used for determining the control mode of the target air conditioner as the first control mode when the first comparison result shows that the sensible heat ratio is less than or equal to the first preset sensible heat ratio; the second comparison unit is used for comparing the sensible heat ratio with a second preset sensible heat ratio to obtain a second comparison result when the first comparison result shows that the sensible heat ratio is larger than the first preset sensible heat ratio; and the third determining unit determines that the control mode of the target air conditioner is the second control mode when the second comparison result shows that the sensible heat ratio is greater than or equal to the second preset sensible heat ratio.
Optionally, the control device of the air conditioner further includes: the monitoring unit is used for detecting whether the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to a second preset temperature difference or not when the second comparison result shows that the sensible heat ratio is smaller than a second preset sensible heat ratio, so as to obtain a detection result; the first control unit is used for controlling the target air conditioner to enter a fuzzy control state when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to a second preset temperature difference; and the returning unit is used for returning to the step of acquiring the indoor moisture content of the target air conditioner when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is greater than a second preset temperature difference.
Optionally, the control device of the air conditioner further comprises one of: the second control unit is used for controlling the running frequency of a compressor of the target air conditioner to reduce a first preset frequency according to a first control mode and controlling the rotating speed of an inner fan of the target air conditioner to increase a first preset rotating speed; and the third control unit is used for controlling the running frequency of the compressor of the target air conditioner to increase by a second preset frequency according to a second control mode and controlling the rotating speed of the inner fan of the target air conditioner to decrease by a second preset rotating speed.
Optionally, the control device of the air conditioner further includes: the statistical module is used for counting the accumulated time length of the target air conditioner running according to the control mode while controlling the target air conditioner to run according to the control mode; and the return module is used for returning to the step of acquiring the indoor moisture content of the target air conditioner when the accumulated time length is determined to reach the preset time length.
Optionally, the invention utilizes the capillary action (such as sponge strips) to guide the condensed water to the inner air outlet duct in the refrigeration mode, releases the cold energy contained in the low-temperature condensed water again for indoor refrigeration, and achieves the purpose of improving the refrigeration effect by improving the sensible heat ratio of the refrigeration system. Whether the refrigeration system enters a sensible heat ratio adjusting state is judged by detecting the sensible heat ratio, the refrigeration operation duration time and the temperature difference between the indoor temperature and the set temperature, and the sensible heat ratio of the refrigeration system is controlled by adjusting the operation frequency of the compressor and the rotating speed of the inner fan.
Example 3
According to another aspect of an embodiment of the present invention, there is also provided an air conditioner using the control method of the air conditioner of any one of the above.
Example 4
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored computer program, wherein when the computer program is executed by a processor, an apparatus in which the computer-readable storage medium is located is controlled to perform the control method of the air conditioner according to any one of the above.
Example 5
According to another aspect of the embodiments of the present invention, there is also provided a processor for executing a computer program, wherein the computer program executes to execute the control method of the air conditioner according to any one of the above.
The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (11)

1. A method of controlling an air conditioner, comprising:
determining the sensible heat ratio of a refrigerating system of a target air conditioner, wherein a sponge strip is arranged between the lower part of an evaporator of the target air conditioner and a water pan of the target air conditioner;
acquiring a comparison result of the sensible heat ratio and a preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result;
controlling the target air conditioner to operate according to the control mode;
wherein, confirm the sensible heat ratio of the refrigerating system of target air conditioner, include: acquiring the indoor moisture content and the indoor environment temperature of the target air conditioner; determining a sensible heat ratio of a refrigeration system of the target air conditioner based on the indoor moisture content and the indoor ambient temperature;
wherein acquiring the indoor moisture content of the target air conditioner includes: when the target air conditioner operates in a cooling mode, acquiring an indoor target temperature of the target air conditioner; acquiring the indoor dry bulb temperature of the target air conditioner; when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be smaller than or equal to a first preset temperature difference, counting the operation time of the refrigerating system; detecting the indoor moisture content of the target air conditioner when the running time is determined to be greater than or equal to the preset time; acquiring the indoor moisture content of the target air conditioner based on the detection result;
wherein the preset sensible heat ratio comprises: the method comprises the following steps of obtaining a comparison result of the sensible heat ratio and a preset sensible heat ratio by a first preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result, wherein the control mode comprises the following steps: comparing the sensible heat ratio with the first preset sensible heat ratio to obtain a first comparison result; when the first comparison result shows that the sensible heat ratio is smaller than or equal to the first preset sensible heat ratio, determining that the control mode of the target air conditioner is a first control mode;
wherein controlling the target air conditioner to operate according to the control mode comprises: and controlling the running frequency of a compressor of the target air conditioner to reduce a first preset frequency according to the first control mode, and controlling the rotating speed of an inner fan of the target air conditioner to increase a first preset rotating speed.
2. The method of claim 1, further comprising:
and when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be larger than the first preset temperature difference, controlling the target air conditioner to continuously operate according to the indoor target temperature, and obtaining the indoor dry bulb temperature of the target air conditioner again.
3. The method of claim 1, wherein determining the sensible heat ratio of the refrigeration system of the target air conditioner based on the indoor moisture content and the indoor ambient temperature comprises:
determining the sensible heat ratio of a refrigerating system of the target air conditioner through a predetermined formula, wherein the predetermined formula is as follows:
Figure DEST_PATH_IMAGE002
i represents the sensible heat ratio, d represents the moisture content in the chamber,
Figure DEST_PATH_IMAGE004
representing the indoor ambient temperature.
4. The method of claim 1, wherein the preset sensible heat ratio further comprises: the second preset sensible heat ratio is used for acquiring a comparison result of the sensible heat ratio and the preset sensible heat ratio, and determining a control mode of the target air conditioner based on the comparison result, and the method comprises the following steps:
when the first comparison result shows that the sensible heat ratio is larger than the first preset sensible heat ratio, comparing the sensible heat ratio with a second preset sensible heat ratio to obtain a second comparison result;
and when the second comparison result shows that the sensible heat ratio is greater than or equal to the second preset sensible heat ratio, determining that the control mode of the target air conditioner is a second control mode.
5. The method of claim 4, further comprising:
when the second comparison result shows that the sensible heat ratio is smaller than a second preset sensible heat ratio, detecting whether the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to a second preset temperature difference to obtain a detection result;
when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is smaller than or equal to the second preset temperature difference, controlling the target air conditioner to enter a fuzzy control state;
and returning to the step of acquiring the indoor moisture content of the target air conditioner when the detection result shows that the temperature difference between the indoor target temperature of the target air conditioner and the indoor dry bulb temperature of the target air conditioner is greater than the second preset temperature difference.
6. The method of claim 4, wherein controlling the target air conditioner to operate in the control mode comprises:
and controlling the running frequency of the compressor of the target air conditioner to increase a second preset frequency according to the second control mode, and controlling the rotating speed of the inner fan of the target air conditioner to decrease a second preset rotating speed.
7. The method according to any one of claims 1 to 6, further comprising:
when the target air conditioner is controlled to operate according to the control mode, the accumulated time length of the target air conditioner operating according to the control mode is counted;
and returning to the step of acquiring the indoor moisture content of the target air conditioner when the accumulated time length is determined to reach the preset time length.
8. A control apparatus of an air conditioner, comprising:
the device comprises a determining module, a judging module and a judging module, wherein the determining module is used for determining the sensible heat ratio of a refrigerating system of a target air conditioner, and a sponge strip is arranged between the lower part of an evaporator of the target air conditioner and a water pan of the target air conditioner;
the acquisition module is used for acquiring a comparison result of the sensible heat ratio and a preset sensible heat ratio and determining a control mode of the target air conditioner based on the comparison result;
the first control module is used for controlling the target air conditioner to operate according to the control mode;
wherein the determining module comprises: an acquisition unit configured to acquire an indoor moisture content and an indoor ambient temperature of the target air conditioner; a first determination unit for determining a sensible heat ratio of a refrigeration system of the target air conditioner based on the indoor moisture content and the indoor ambient temperature;
wherein the obtaining unit includes: the first acquiring subunit is used for acquiring the indoor target temperature of the target air conditioner when the target air conditioner operates in a cooling mode; the second acquisition subunit is used for acquiring the indoor dry bulb temperature of the target air conditioner; the counting subunit is used for counting the running time of the refrigeration system when the temperature difference between the indoor target temperature and the indoor dry bulb temperature is determined to be smaller than or equal to a first preset temperature difference; the detection subunit is used for detecting the indoor moisture content of the target air conditioner when the operation time length is determined to be greater than or equal to the preset time length; a third acquisition subunit configured to acquire an indoor moisture content of the target air conditioner based on a detection result;
wherein the acquisition module comprises: the first comparison unit is used for comparing the sensible heat ratio with a first preset sensible heat ratio to obtain a first comparison result; the second determining unit is used for determining that the control mode of the target air conditioner is a first control mode when the first comparison result shows that the sensible heat ratio is less than or equal to a first preset sensible heat ratio;
wherein the first control module comprises: and the second control unit is used for controlling the running frequency of the compressor of the target air conditioner to reduce a first preset frequency according to the first control mode and controlling the rotating speed of the inner fan of the target air conditioner to increase a first preset rotating speed.
9. An air conditioner characterized by using the control method of the air conditioner as set forth in any one of claims 1 to 7.
10. A computer-readable storage medium, comprising a stored computer program, wherein when the computer program is executed by a processor, the computer-readable storage medium controls an apparatus to perform the method of controlling an air conditioner according to any one of claims 1 to 7.
11. A processor for running a computer program, wherein the computer program is run to perform the control method of the air conditioner according to any one of the claims 1 to 7.
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