CN113865057B - Humidity control method and device and air conditioner - Google Patents

Humidity control method and device and air conditioner Download PDF

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Publication number
CN113865057B
CN113865057B CN202110973514.5A CN202110973514A CN113865057B CN 113865057 B CN113865057 B CN 113865057B CN 202110973514 A CN202110973514 A CN 202110973514A CN 113865057 B CN113865057 B CN 113865057B
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preset
difference value
temperature difference
temperature
humidity
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CN113865057A (en
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陈君
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Ningbo Aux Electric Co Ltd
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Ningbo Aux Electric Co Ltd
Zhuhai Tuoxin Technology Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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

Abstract

The invention provides a humidity control method, a humidity control device and an air conditioner, relates to the technical field of air conditioning equipment, and is used for dehumidifying the air conditioner, wherein the method comprises the following steps: acquiring the indoor environment temperature, the inner coil temperature and the set temperature of the air conditioner in the refrigeration mode; calculating to obtain the indoor air humidity according to the indoor environment temperature, the temperature of the inner coil and the set temperature; and controlling the air conditioner to enter a preset dehumidification mode according to the indoor air humidity. According to the humidity control method, the humidity control device and the air conditioner, the indoor air humidity is fitted according to the indoor environment temperature, the temperature of the inner coil and the set temperature, the air conditioner is controlled to enter the preset dehumidification mode according to the indoor air humidity, compared with the prior art, the humidity control method, the device and the air conditioner are arranged in such a way, the humidity sensor is not required to be arranged, the obtained temperature is used for fitting to obtain the indoor air humidity, the dehumidification is carried out through the preset dehumidification mode, and the cost is reduced.

Description

Humidity control method and device and air conditioner
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to a humidity control method and device and an air conditioner.
Background
Along with the continuous improvement of standard of living, the consumer is also higher and higher to the requirement of air conditioner quality, when satisfying the refrigeration effect of heating, still need satisfy the travelling comfort requirement, and current air conditioner is at the refrigeration in-process, when indoor side ambient humidity is high, very easily at wind-guiding door, air outlet condensation phenomenon all around, influence user and use experience.
The solution that uses always at present is through increasing humidity transducer at the indoor set, judges indoor environment humidity, starts when humidity is great and prevents the condensation mode, reduces compressor operating frequency, improves the air-out temperature, slows down the condensation. However, the above solution has the following problems: the humidity sensor is required to be added to relieve condensation, and the manufacturing cost of the air conditioner is high.
Disclosure of Invention
The invention aims to provide a humidity control method, which solves the technical problem that the manufacturing cost is high due to the fact that a humidity sensor is added for relieving condensation in the prior art.
In order to solve the above problems, the present invention provides a humidity control method for dehumidifying an air conditioner, the method comprising the steps of:
acquiring the indoor environment temperature, the inner coil temperature and the set temperature of the air conditioner in the refrigeration mode;
calculating to obtain the indoor air humidity according to the indoor environment temperature, the temperature of the inner coil and the set temperature;
and controlling the air conditioner to enter a preset dehumidification mode according to the indoor air humidity.
According to the humidity control method provided by the invention, the indoor air humidity is fitted according to the indoor environment temperature, the temperature of the inner coil and the set temperature, and then the air conditioner is controlled to enter the preset dehumidification mode according to the indoor air humidity.
Further, the step of calculating the indoor air humidity according to the indoor environment temperature, the inner coil temperature and the set temperature includes:
calculating a first temperature difference value between the indoor environment temperature and the set temperature of the refrigeration mode for a first time period, and comparing the first temperature difference value with a first preset temperature difference value;
calculating a second temperature difference value between the indoor environment temperature when the refrigeration mode is started and the indoor environment temperature when the refrigeration mode operates for a second time, and comparing the second temperature difference value with a second preset temperature difference value;
calculating a third temperature difference value between the temperature of the inner coil pipe when the refrigeration mode is started and the temperature of the inner coil pipe when the refrigeration mode runs for a second time, and comparing the third temperature difference value with a third preset temperature difference value;
calculating a fourth temperature difference value between the indoor environment temperature and the temperature of the inner coil pipe in the third time period of the operation in the refrigeration mode, and comparing the fourth temperature difference value with a fourth preset temperature difference value;
obtaining the indoor air humidity according to the comparison result;
and the first time length is less than or equal to a second time length.
According to the setting, a first temperature difference value, a second temperature difference value, a third temperature difference value and a fourth temperature difference value are calculated respectively, the indoor air humidity is obtained by comparing the first humidity difference value with a first preset temperature difference value, the second temperature difference value with a second preset temperature difference value, the third temperature difference value with a third preset temperature difference value and the fourth temperature difference value with a fourth preset temperature difference value, the indoor air humidity is fitted through the difference change of the indoor environment temperature and the set temperature, the indoor environment temperature change of unit time, the inner coil temperature change of unit time and the indoor environment temperature and inner coil temperature change of unit time, and the method controls the air conditioner to execute different preset dehumidification modes according to different humidity types.
Further, the step of obtaining the humidity of the indoor air according to the comparison result includes:
if the first temperature difference value is greater than or equal to the first preset temperature difference value, the second temperature difference value is smaller than a second preset temperature difference value, the third temperature difference value is smaller than a third preset temperature difference value, and the fourth temperature difference value is greater than or equal to a fourth preset temperature difference value, the indoor air humidity is marked as high-temperature high-humidity;
if the first temperature difference value is smaller than the first preset temperature difference value, the second temperature difference value is smaller than the second preset temperature difference value, the third temperature difference value is smaller than the third preset temperature difference value, and the fourth temperature difference value is smaller than the fourth preset temperature difference value, the indoor air humidity is marked as low temperature and high humidity;
if the first temperature difference value is greater than or equal to the first preset temperature difference value, the second temperature difference value is greater than or equal to the second preset temperature difference value, the third temperature difference value is greater than or equal to the third preset temperature difference value, and the fourth temperature difference value is greater than or equal to the fourth preset temperature difference value, the indoor air humidity is marked as high temperature and low humidity;
if the temperature difference value is less than the first preset temperature difference value, the second temperature difference value is greater than or equal to the second preset temperature difference value, the third temperature difference value is greater than or equal to the third preset temperature difference value, and the fourth temperature difference value is less than the fourth preset temperature difference value, the indoor air humidity is marked as low temperature and low humidity.
According to the arrangement, the first temperature difference value, the second temperature difference value, the third temperature difference value and the fourth temperature difference value are respectively calculated, the indoor air humidity is obtained by comparing the first humidity difference value with the first preset temperature difference value, the second temperature difference value with the second preset temperature difference value, the third temperature difference value with the third preset temperature difference value and the fourth temperature difference value, the indoor air humidity is fitted through the difference change of the indoor environment temperature and the set temperature, the indoor environment temperature change of unit time, the inner coil temperature change of unit time and the indoor environment temperature and inner coil temperature change condition of the unit time, and the air conditioner can be conveniently controlled to execute different preset dehumidification modes aiming at different humidity types.
Further, the step of controlling the air conditioner to enter a preset dehumidification mode according to the indoor air humidity includes:
if the indoor air humidity mark is high temperature and high humidity, controlling the air conditioner to enter a first preset dehumidification mode;
if the indoor air humidity mark is low temperature and high humidity, controlling the air conditioner to enter a second preset dehumidification mode;
if the indoor air humidity mark is high temperature and low humidity, controlling the air conditioner to enter a third preset dehumidification mode;
if the indoor air humidity mark is low temperature and low humidity, controlling the air conditioner to enter a fourth preset dehumidification mode;
the first preset dehumidification mode includes: the operation frequency of the compressor is increased by a preset frequency, the rotating speed of the inner fan is reduced by a preset rotating speed, and the angle of the air guide door is increased by a preset angle;
the second preset dehumidification mode includes: the running frequency of the compressor maintains the current frequency, the rotating speed of the inner fan is reduced by a preset rotating speed, and the angle of the air guide door maintains the current angle;
the third preset dehumidification mode includes: increasing the running frequency of the compressor by a preset frequency, maintaining the rotating speed of the inner fan at the current rotating speed, and maintaining the angle of the air guide door at the current angle;
the fourth preset dehumidification mode includes: the running frequency of the compressor is reduced to a preset frequency, the rotating speed of the inner fan is maintained at the current rotating speed, and the angle of the air guide door is maintained at the current angle.
The first preset dehumidification mode is correspondingly executed at high temperature and high humidity, the second preset dehumidification mode is correspondingly executed at low temperature Gao Shidu, the third preset dehumidification mode is correspondingly executed at high temperature and low humidity, and the fourth preset dehumidification mode is correspondingly executed at low temperature and low humidity.
Further, the air conditioner is provided with an electronic expansion valve;
the first preset dehumidification mode includes: the opening degree of the electronic expansion valve is reduced by a preset opening degree;
the second preset dehumidification mode includes: the opening degree of the electronic expansion valve is increased by a preset opening degree;
the third preset dehumidification mode includes: the opening degree of the electronic expansion valve is reduced by a preset opening degree;
the fourth preset dehumidification mode includes: the opening degree of the electronic expansion valve is maintained at the current opening degree.
So set up, through the aperture of adjustment electronic expansion valve, adjust the flow of refrigerant, can also control refrigeration effect when the dehumidification to the cooperation dehumidification.
Further, the method comprises:
and controlling the air conditioner to continuously run for a fourth time length after the refrigeration mode of the air conditioner is started, wherein the fourth time length is less than or equal to the first time length, and the fourth time length is less than or equal to the third time length.
And when the refrigeration mode is started, the air conditioner continuously operates for the fourth time period, so that the normal operation of the air conditioner is confirmed, the accuracy of each temperature detection is improved, and the control precision is ensured.
Further, the value range of the first time length is 10-30 min; the value range of the second time length is 10-30 min; the value range of the third time length is 10-30 min; the value range of the fourth time length is 0-60 s;
and/or the value range of the first preset temperature difference value is 5-10 ℃; the value range of the second preset temperature difference value is 5-8 ℃; the value range of the third preset temperature difference value is 15-20 ℃; the value range of the fourth preset temperature difference value is 15-20 ℃;
and/or the value range of the preset frequency is 3-5 Hz; the value range of the preset rotating speed is 10-30 rpm; the value range of the preset angle is 5-10 degrees; the value range of the preset opening is 10-30 b.
By limiting the first time length, the second time length, the third time length and the fourth time length, technicians can conveniently select the time lengths in a proper range, and dehumidification can be realized in a better time; by setting the value ranges of the first preset temperature difference value, the second preset temperature difference value, the third preset temperature difference value and the fourth preset temperature difference value, the type of the indoor air humidity is conveniently determined, and the judgment accuracy is improved; the air conditioner has the advantages that the adjustment precision of the air conditioner is improved by setting the preset frequency, the preset rotating speed, the preset angle and the value range of the preset opening degree, and the aim of quick and efficient dehumidification is fulfilled.
Further, the method comprises:
and if the indoor air humidity does not meet the requirements of high temperature and high humidity, low temperature and high humidity, high temperature and low humidity and low temperature and low humidity, controlling the air conditioner to exit the preset dehumidification mode.
When the indoor air humidity condition is not met, the humidity of the indoor side is in a normal condition, the preset requirement can be met, and the air conditioner can be controlled to enter a conventional operation mode.
The present invention also provides a humidity control apparatus, the apparatus comprising:
the acquisition module is used for acquiring the indoor environment temperature, the temperature of the inner coil and the set temperature of the air conditioner in the refrigeration mode;
the calculation module is used for calculating to obtain the indoor air humidity according to the indoor environment temperature, the temperature of the inner coil and the set temperature;
and the control module is used for controlling the air conditioner to enter a preset dehumidification mode according to the indoor air humidity.
According to the humidity control device provided by the invention, the indoor air humidity is obtained according to the indoor environment temperature, the temperature of the inner coil and the set temperature in a fitting mode, and the air conditioner is controlled to enter the preset dehumidification mode according to the indoor air humidity.
The invention also provides an air conditioner, which comprises a computer readable storage medium and a processor, wherein the computer readable storage medium is used for storing a computer program, and the computer program is read by the processor and runs to realize the humidity control method. Therefore, the air conditioner has all the advantages of the humidity control method, which will not be described herein.
The present invention also provides a computer-readable storage medium storing a computer program which, when read and executed by a processor, implements the humidity control method described above. Therefore, the computer-readable storage medium has all the advantages of the humidity control method described above, and thus, will not be described herein in detail.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a flow chart of a humidity control method provided by an embodiment of the present invention;
FIG. 3 is a schematic flow chart diagram illustrating a particular embodiment of a humidity control method provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a humidity control apparatus according to an embodiment of the present invention.
Icon: 100-indoor machine heat exchanger; 110-an internal motor; 120-indoor environment temperature sensing means; 130-inner disc temperature sensing device; 140-four-way valve; 150-a compressor; 160-outdoor unit heat exchanger; 170-external motor; 180-a throttling device;
191-an obtaining module; 192-a calculation module; 193-control module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the air conditioner mainly comprises an internal heat exchanger 100, an external heat exchanger 160, a compressor 150, a throttling device 180, a pipeline system, an internal electric heater, an indoor environment temperature sensing device 120, an internal disc temperature sensing device 130, an internal motor 110, an external motor 170, a connecting pipe, and the like. The refrigerant is heated and evaporated in the internal heat exchanger 100, then enters the compressor 150 through the BC path of the four-way valve 140, is discharged from the exhaust port F of the compressor 150 after being compressed, enters the external heat exchanger 150 through the AD path of the four-way valve 140 to release heat and condense, and then returns to the internal heat exchanger 100 after being throttled by the throttling device 170, thus circulating.
The throttle device 180 may be an electronic expansion valve, a capillary tube, a throttle pipe, etc., and in this embodiment, the electronic expansion valve is taken as an example for description.
The humidity control method provided by the invention is used for dehumidifying an air conditioner, and as shown in fig. 2, the humidity control method comprises the following steps:
s202, acquiring the indoor environment temperature, the inner coil temperature and the set temperature of the air conditioner in the refrigeration mode.
The indoor environment humidity for installing the air conditioner is detected in real time by the indoor environment temperature sensing device 120, the temperature of the inner coil of the inner heat exchanger 100 is detected in real time by the inner heat sensing device 130, the set humidity is the set temperature of the air conditioner, and the set humidity can be set manually.
And S204, calculating to obtain the indoor air humidity according to the indoor environment temperature, the temperature of the inner coil and the set temperature.
Under the condition that the output cold quantity of the air conditioner is constant and the air humidity state is different, the change condition of the difference value between the indoor environment temperature and the set temperature, the change condition of the indoor environment temperature in unit time, the change condition of the inner coil pipe temperature in unit time and the change condition of the indoor environment temperature and the inner coil pipe temperature are different, so that the current indoor humidity state can be fitted by the indoor environment temperature, the inner coil pipe temperature and the set temperature.
And S206, controlling the air conditioner to enter a preset dehumidification mode according to the indoor air humidity.
According to the fitted indoor air humidity, the air conditioner is controlled to enter a preset dehumidification mode, and it needs to be explained that the indoor air humidity can be of multiple types, and the corresponding preset dehumidification modes are also of multiple types and are in one-to-one correspondence with the indoor air humidity types.
According to the humidity control method provided by the invention, the indoor air humidity is fitted according to the indoor environment temperature, the temperature of the inner coil and the set temperature, and then the air conditioner is controlled to enter the preset dehumidification mode according to the indoor air humidity.
Specifically, different preset dehumidification modes can be adopted for different indoor air humidity, condensation is relieved, and the refrigeration effect is improved. For example, if the indoor side has high humidity, the frequency of the compressor is reduced, the angle of the air guide door is increased, and the indoor side outlet air temperature is increased to relieve condensation of the indoor unit; if the indoor side is low in humidity, the operation frequency of the compressor/the angle of the air guide door normally operates, the air gear frequency reduction is not executed, and the refrigeration effect is improved.
In one possible embodiment, the calculating the indoor air humidity according to the indoor environment temperature, the inner coil temperature and the set temperature specifically includes:
and calculating a first temperature difference value between the indoor environment temperature and the set temperature for the first time length of the operation of the refrigeration mode, and comparing the first temperature difference value with a first preset temperature difference value. Wherein, the value range of the first duration is as follows: 10-30 min; the value range of the first preset temperature difference value is as follows: 5 to 10 ℃.
And calculating a second temperature difference value between the indoor environment temperature when the refrigeration mode is started and the indoor environment temperature when the refrigeration mode runs for a second time, and comparing the second temperature difference value with a second preset temperature difference value. Wherein, the value range of the second duration is: 10-30 min; the value range of the second preset temperature difference value is as follows: 5 to 8 ℃.
And calculating a third temperature difference value between the temperature of the inner coil pipe when the refrigeration mode is started and the temperature of the inner coil pipe when the refrigeration mode runs for a second time, and comparing the third temperature difference value with a third preset temperature difference value. Wherein, the value range of the third duration is: 10-30 min; the value range of the third preset temperature difference value is as follows: 15 to 20 ℃.
And calculating a fourth temperature difference value between the indoor environment temperature and the temperature of the inner coil during the third time period of the operation in the refrigeration mode, and comparing the fourth temperature difference value with a fourth preset temperature difference value. Wherein, the value range of the fourth preset temperature difference value is as follows: 15 to 20 ℃.
And obtaining the indoor air humidity according to the comparison result.
It should be noted that the first duration is less than or equal to the second duration.
According to the arrangement, the first temperature difference value, the second temperature difference value, the third temperature difference value and the fourth temperature difference value are respectively calculated, the indoor air humidity is obtained by comparing the first humidity difference value with the first preset temperature difference value, the second temperature difference value with the second preset temperature difference value, the third temperature difference value with the third preset temperature difference value and the fourth temperature difference value, the indoor air humidity is fitted through the difference change of the indoor environment temperature and the set temperature, the indoor environment temperature change of unit time, the inner coil temperature change of unit time and the indoor environment temperature and inner coil temperature change condition of the unit time, and the air conditioner can be conveniently controlled to execute different preset dehumidification modes aiming at different humidity types.
In another embodiment, the step of obtaining the humidity of the indoor air according to the comparison result includes the following four ways:
in the first mode, if the first temperature difference value is greater than or equal to the first preset temperature difference value, the second temperature difference value is less than the second preset temperature difference value, the third temperature difference value is less than the third preset temperature difference value, and the fourth temperature difference value is greater than or equal to the fourth preset temperature difference value, the indoor air humidity is marked as high temperature and high humidity.
In a second mode, if the first temperature difference value is smaller than the first preset temperature difference value, the second temperature difference value is smaller than the second preset temperature difference value, the third temperature difference value is smaller than the third preset temperature difference value, and the fourth temperature difference value is smaller than the fourth preset temperature difference value, the indoor air humidity is marked as low temperature and high humidity.
In a third mode, if the first temperature difference value is greater than or equal to the first preset temperature difference value, the second temperature difference value is greater than or equal to the second preset temperature difference value, the third temperature difference value is greater than or equal to the third preset temperature difference value, and the fourth temperature difference value is greater than or equal to the fourth preset temperature difference value, the indoor air humidity is marked as high-temperature low-humidity.
In a fourth mode, if the first temperature difference value is smaller than the first preset temperature difference value, the second temperature difference value is greater than or equal to a second preset temperature difference value, the third temperature difference value is greater than or equal to a third preset temperature difference value, and the fourth temperature difference value is smaller than a fourth preset temperature difference value, the indoor air humidity is marked as low temperature and low humidity.
In this embodiment, in step S206, the step of controlling the air conditioner to enter the preset dehumidification mode according to the indoor air humidity specifically includes the following steps:
in the first mode, if the indoor air humidity flag is high temperature and high humidity, the air conditioner is controlled to enter a first preset dehumidification mode. Wherein the first preset dehumidification mode comprises: the running frequency of the compressor is increased by a preset frequency, the rotating speed of the inner fan is reduced by a preset rotating speed, and the angle of the air guide door is increased by a preset angle.
In the second mode, if the indoor air humidity is marked as low temperature and high humidity, the air conditioner is controlled to enter a second preset dehumidification mode. Wherein the second preset dehumidification mode comprises: the running frequency of the compressor maintains the current frequency, the rotating speed of the inner fan is reduced by the preset rotating speed, and the angle of the air guide door maintains the current angle.
In a third mode, if the indoor air humidity is marked as high temperature and low humidity, the air conditioner is controlled to enter a third preset dehumidification mode. Wherein the third preset dehumidification mode comprises: the running frequency of the compressor is increased by a preset frequency, the rotating speed of the inner fan is maintained at the current rotating speed, and the angle of the air guide door is maintained at the current angle.
In a fourth mode, if the indoor air humidity is marked as low temperature and low humidity, the air conditioner is controlled to enter a fourth preset dehumidification mode. Wherein the fourth preset dehumidification mode comprises: the running frequency of the compressor is reduced to a preset frequency, the rotating speed of the inner fan is maintained at the current rotating speed, and the angle of the air guide door is maintained at the current angle.
The four indoor air humidities correspond to the four preset dehumidification modes one to one, so that the indoor humidity can be further finely controlled, and the control precision is improved.
In this embodiment, the method further includes:
if the indoor air humidity does not satisfy high temperature high humidity, low temperature high humidity, high temperature low humidity and low temperature low humidity, then control the air conditioner and withdraw from predetermineeing the dehumidification mode, so set up, when unsatisfied high temperature high humidity, low temperature high humidity, high temperature low humidity and low temperature low humidity, explain that the indoor air humidity reaches and predetermine the requirement, need not to dehumidify again, consequently, control the air conditioner and withdraw from and predetermineeing and get into conventional operating mode behind the dehumidification mode. The normal operation mode may be a normal refrigeration mode in the prior art, or may be another operation mode excluding the preset dehumidification mode, and is not described herein again because it is irrelevant to the invention of the present invention.
It should be noted that, the humidity control method further includes, after the preset dehumidification mode is operated for a set time, controlling the air conditioner to exit the preset dehumidification mode and enter a normal operation mode. The set time period for the operation of the preset dehumidification mode can be obtained through simulation or experiment by those skilled in the art, and will not be described herein.
It should be noted that, in this embodiment, the air conditioner may further include an electronic expansion valve, where the opening degree of the electronic expansion valve needs to be adjusted correspondingly when the air conditioner executes a corresponding dehumidification control mode, and the method specifically includes:
the first preset dehumidification mode further comprises: the opening of the electronic expansion valve is reduced by a preset opening.
The second preset dehumidification mode includes: the opening degree of the electronic expansion valve is increased by a preset opening degree.
The third preset dehumidification mode includes: the opening of the electronic expansion valve is reduced by a preset opening.
The fourth preset dehumidification mode includes: the opening degree of the electronic expansion valve is maintained at the current opening degree.
So set up, through the aperture of adjustment electronic expansion valve, adjust the flow of refrigerant, can also control refrigeration effect when the dehumidification to the cooperation dehumidification.
Further, the method further comprises: and controlling the air conditioner to continuously run for a fourth time length after the refrigeration mode of the air conditioner is started, wherein the fourth time length is less than or equal to the first time length, and the fourth time length is less than or equal to the third time length. Wherein, the value range of the fourth duration is: 0 to 60s.
In this embodiment, the purpose of continuously operating for the fourth time period after the refrigeration mode is started is to confirm normal operation of the air conditioner, improve accuracy of each temperature detection, and ensure control accuracy.
The range of the fourth duration is: 0-60 s, when the time of the fourth time is too long, dehumidification delay is caused, and the use requirement cannot be met; in addition, when the time of the fourth time period is too short, the operation condition of the air conditioner cannot be determined. Therefore, in this embodiment, the time range of the fourth duration is limited to 0 to 60s, which not only can ensure normal operation, but also can meet the demand of timely dehumidification.
It should be noted that, in this embodiment, the value range of the preset frequency is 3 to 5Hz; the value range of the preset rotating speed is 10-30 rpm; the value range of the preset angle is 5-10 degrees; the value range of the preset opening is 10-30 b.
In the embodiment, by limiting the first time length, the second time length, the third time length and the fourth time length, technicians can conveniently select the time lengths within a proper range, namely, dehumidification can be realized in a better time; by setting the value ranges of the first preset temperature difference value, the second preset temperature difference value, the third preset temperature difference value and the fourth preset temperature difference value, the type of the indoor air humidity is conveniently determined, and the judgment accuracy is improved; the air conditioner has the advantages that the adjustment precision of the air conditioner is improved by setting the preset frequency, the preset rotating speed, the preset angle and the value range of the preset opening degree, and the aim of quick and efficient dehumidification is fulfilled.
In this embodiment, the indoor air humidity is marked as high temperature and high humidity, low temperature and high humidity, high temperature and low humidity, and the indoor air humidity corresponds to a first preset dehumidification mode, a second preset dehumidification mode, a third preset dehumidification mode and a fourth preset dehumidification mode, respectively, and is derived based on the following principles:
under the condition that the output cold quantity of the air conditioner is certain:
1. if the indoor environment is high in temperature and humidity, the output cold energy is simultaneously used for cooling and dehumidifying, the cooling and dehumidifying rates are low, and the difference value between the environment temperature and the set temperature is large; the environmental temperature change in unit time is small, and the difference value is small; the temperature change of the coil pipe in unit time is small, the difference value is small, and the difference value between the environment temperature and the temperature of the coil pipe is large.
2. If the environment temperature is Gao Shidu, the output cold energy is mainly used for dehumidification, the temperature reduction is slow, the dehumidification is fast, and the difference between the environment temperature and the set temperature is small; the environmental temperature change in unit time is small, and the difference value is small; the temperature change of the coil pipe in unit time is small, the difference value is small, and the difference value between the environment temperature and the temperature of the coil pipe is small.
3. If the environment is high in temperature and low in humidity, the output cold energy is mainly used for cooling, the cooling is fast, the dehumidification is slow, and the difference between the environment temperature and the set temperature is large; the environmental temperature change in unit time is large, and the difference value is large; the temperature of the coil pipe changes greatly in unit time, the difference is large, and the difference between the ambient temperature and the temperature of the coil pipe is large.
4. If the environment is low in temperature and humidity, the output cold energy is mainly used for cooling and dehumidifying, the cooling and dehumidifying speed is high, and the difference value between the environment temperature and the set temperature is small; the environmental temperature change in unit time is large, and the difference value is large; the temperature of the coil pipe changes greatly in unit time, the difference is large, and the difference between the ambient temperature and the temperature of the coil pipe is small.
Therefore, the indoor air humidity condition can be reversely fitted according to the temperature change conditions, and a reasonable preset dehumidification mode is formulated according to the temperature and humidity type for dehumidification.
On the basis of the above fig. 2, another humidity control method is provided in the embodiments of the present invention, as shown in fig. 3, the method includes the following steps:
s302, continuously operating t after the refrigeration mode is started 1 The length of time.
Specifically, the air conditioner is continuously operated t after the cooling mode is turned on 1 Duration (fourth duration), where t 1 The range of (A) is as follows: t is more than or equal to 0 and less than or equal to 60s.
S303, acquiring the indoor environment temperature, the temperature of the inner coil and the set temperature of the air conditioner.
The method specifically comprises the following steps:
obtaining the set temperature T of the air conditioner 0 。
Obtaining the indoor ambient temperature T at the start of the cooling mode 10 And inner coil temperature T 20 。
Obtaining the indoor environment temperature T after the first time length n of the refrigeration mode operation 1n 。
Obtaining the indoor environment temperature T after the second time length m of the operation of the refrigeration mode 1m And inner coil temperature T 2m 。
Obtaining the indoor environment temperature T after the third time length p of the refrigeration mode operation 1p And inner coil temperature T 2p (ii) a Wherein n is more than or equal to 0 and less than or equal to m; p is more than or equal to 0.
In this embodiment, the range of the first duration n is: n is more than or equal to 10min and less than or equal to 30min; the second duration m ranges from: m is more than or equal to 10min and less than or equal to 30min; the third duration p ranges from: p is more than or equal to 10min and less than or equal to 30min. The value ranges of the first time length n, the second time length m and the third time length p are limited to 10min to 30min, so that the detection precision can be met, and whether dehumidification operation is needed or not can be judged in time.
Calculating T 1n And T 0 First temperature difference Δ T of 1 Calculating T 10 And T 1m Second temperature difference Δ T of 2 Calculating T 20 And T 2m Third temperature difference Δ T of 3 And calculating T 1p And with 2p Is a fourth temperature difference Δ T 4 。
S304, whether the first condition is met is judged, and if yes, the first preset dehumidification mode of S308 is executed.
S305, determining whether the second condition is satisfied, if yes, executing a second preset dehumidification mode of S309.
And S306, judging whether the condition III is met, if so, executing a third preset dehumidification mode of the S310.
S307, determine whether the condition four is satisfied, if yes, execute a fourth preset dehumidification mode of S311.
Specifically, the condition one is as follows: when the first temperature difference DeltaT is satisfied at the same time 1 The temperature difference is greater than or equal to a first preset temperature difference value A; second temperature difference DeltaT 2 Less than the second predeterminedA temperature difference value B; third temperature difference DeltaT 3 Is less than a third preset temperature difference value C; fourth temperature difference DeltaT 4 When the temperature difference value is greater than or equal to the fourth preset temperature difference value D, the high temperature and high humidity can be judged, and the air conditioner executes a first preset dehumidification mode: on the basis of the operation of the current air conditioner, the operation frequency of a compressor is controlled to be increased by delta F, the rotating speed of an inner fan is controlled to be reduced by delta N, the opening of an electronic expansion valve is controlled to be reduced by delta B, and the angle of an air guide door is controlled to be increased by delta L; the operation aims at increasing the sensible heat and the latent heat of the indoor side heat exchanger, and quickly cooling and dehumidifying.
The second condition is as follows: when the first temperature difference DeltaT is satisfied at the same time 1 Is smaller than a first preset temperature difference value A; second temperature difference DeltaT 2 Less than a second preset temperature difference value B; third temperature difference DeltaT 3 Is less than a third preset temperature difference value C; fourth temperature difference DeltaT 4 When the temperature difference value is smaller than the fourth preset temperature difference value D, the low temperature and high humidity can be judged, and the air conditioner executes a second preset dehumidification mode: on the basis of the operation of the current air conditioner, the operation frequency of a compressor is maintained, the rotating speed of an inner fan is reduced by delta N, the opening of an electronic expansion valve is increased by delta B, and an air guide door is maintained unchanged; the operation aims at maintaining the sensible heat of the indoor heat exchanger, increasing the latent heat and quickly dehumidifying.
The third condition is as follows: when the first temperature difference DeltaT is satisfied at the same time 1 Greater than or equal to a first preset temperature difference value A; second temperature difference DeltaT 2 The temperature difference value is greater than or equal to a second preset temperature difference value B; third temperature difference DeltaT 3 The temperature difference value is greater than or equal to a third preset temperature difference value C; fourth temperature difference DeltaT 4 When the temperature difference value is greater than or equal to the fourth preset temperature difference value D, the high temperature and low humidity can be judged, and the air conditioner executes a third preset dehumidification mode: on the basis of the operation of the current air conditioner, the operation frequency of a compressor is controlled to be increased by delta F, the rotating speed of an inner fan is kept unchanged, the opening of an electronic expansion valve is reduced by delta B, and an air guide door is kept unchanged; the operation aims at increasing the sensible heat of the indoor side heat exchanger, maintaining latent heat and quickly cooling.
The fourth condition is: when the first temperature difference DeltaT is satisfied at the same time 1 Is less than a first preset temperature difference value A; second temperature difference DeltaT 2 Greater than or equal to a second preset temperatureA difference value B; third temperature difference DeltaT 3 The temperature difference value is greater than or equal to a third preset temperature difference value C; fourth temperature difference DeltaT 4 When the temperature difference value is smaller than a fourth preset temperature difference value D, the indoor side low temperature and low humidity can be judged, and the air conditioner executes a fourth preset dehumidification control mode: namely, on the basis of the operation of the current air conditioner, the operation frequency of the compressor is controlled to be reduced by delta F, the rotating speed of the inner fan is kept unchanged, the opening of the electronic expansion valve is kept unchanged, and the air guide door is kept unchanged. The operation aims at reducing the sensible heat quantity of the indoor side heat exchanger, reducing the latent heat quantity, maintaining the temperature of the inner side and reducing dehumidification.
And comparing the obtained temperature difference value with a preset temperature difference value, judging the temperature and humidity condition of the indoor side, and correspondingly executing the corresponding condition of a preset dehumidification mode.
It should be noted that, the range of the first preset temperature difference value a is: a is more than or equal to 5 ℃ and less than or equal to 10 ℃.
The range of the second preset temperature difference value B is: b is more than or equal to 5 ℃ and less than or equal to 8 ℃.
The range of the third preset temperature difference value C is: c is more than or equal to 15 ℃ and less than or equal to 20 ℃.
The range of the fourth preset temperature difference value D is: d is more than or equal to 15 ℃ and less than or equal to 20 ℃.
Wherein, the range of delta F is as follows: delta F is more than or equal to 3HZ and less than or equal to 5HZ; the range of Δ N is: delta N is more than or equal to 10rpm and less than or equal to 30rpm; the value range of delta B is as follows: delta B is more than or equal to 10B and less than or equal to 30B; the range of Δ L is: delta L is more than or equal to 5 degrees and less than or equal to 10 degrees.
S312, normal operation mode. It should be noted that, when the air conditioner does not satisfy the four indoor air humidities, which indicate that the indoor humidity reaches the preset requirement, the air conditioner executes the normal operation mode.
Meanwhile, when the four preset dehumidification modes are started and operated t 2 And after the time is long, controlling the air conditioner to exit the corresponding preset dehumidification mode and enter a conventional operation mode. Operation t 2 The duration may be understood as the humidity in the room reaching a predetermined requirement, where t 2 The length of time of (b) can be obtained by simulation or experiment by those skilled in the art, and is not described herein.
As shown in fig. 4, an embodiment of the present invention further provides a humidity control apparatus, including:
an obtaining module 191 for obtaining the indoor ambient temperature, the temperature of the inner coil and the set temperature of the air conditioner in the cooling mode;
the calculating module 192 is configured to calculate an indoor air humidity according to the indoor environment temperature, the inner coil temperature, and the set temperature;
and a control module 193 for controlling the air conditioner to enter a preset dehumidification mode according to the indoor air humidity.
The embodiment of the invention also provides an air conditioner, which comprises a computer readable storage medium and a processor, wherein the computer readable storage medium is used for storing a computer program, and the computer program is read by the processor and runs to realize the method. The air conditioner has all the advantages of the humidity control method, and the details are not repeated.
The invention also provides a computer-readable storage medium, in which a computer program is stored, which, when read and executed by a processor, implements the above-mentioned method. The computer readable storage medium also has all the advantages of the humidity control method described above and will not be described herein again. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
In the description of this embodiment, it should be noted that, as those skilled in the art can understand, all or part of the processes in the method according to the above embodiments may be implemented by instructing a control device to implement the method according to the computer level, and the program may be stored in a computer-readable storage medium, and when executed, the program may include the processes according to the above method embodiments, where the storage medium may be a memory, a magnetic disk, an optical disk, or the like.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A humidity control method for dehumidifying an air conditioner, the method comprising the steps of:
s202, acquiring the indoor environment temperature, the temperature of an inner coil and the set temperature of the air conditioner in the refrigeration mode;
s204, calculating to obtain the indoor air humidity according to the indoor environment temperature, the temperature of the inner coil and the set temperature;
s206, controlling the air conditioner to enter a preset dehumidification mode according to the indoor air humidity;
the step S204 includes the following steps:
calculating a first temperature difference value between the indoor environment temperature and the set temperature of the refrigeration mode for a first time period, and comparing the first temperature difference value with a first preset temperature difference value;
calculating a second temperature difference value between the indoor environment temperature when the refrigeration mode is started and the indoor environment temperature when the refrigeration mode operates for a second time, and comparing the second temperature difference value with a second preset temperature difference value;
calculating a third temperature difference value between the temperature of the inner coil pipe when the refrigeration mode is started and the temperature of the inner coil pipe when the refrigeration mode is operated for a second time, and comparing the third temperature difference value with a third preset temperature difference value;
calculating a fourth temperature difference value between the indoor environment temperature and the temperature of the inner coil pipe in the third time period of the operation in the refrigeration mode, and comparing the fourth temperature difference value with a fourth preset temperature difference value;
obtaining the indoor air humidity according to the comparison result;
wherein the first time length is less than or equal to a second time length;
the step of obtaining the indoor air humidity according to the comparison result comprises the following steps:
if the first temperature difference value is greater than or equal to the first preset temperature difference value, the second temperature difference value is smaller than a second preset temperature difference value, the third temperature difference value is smaller than a third preset temperature difference value, and the fourth temperature difference value is greater than or equal to a fourth preset temperature difference value, the indoor air humidity is marked as high-temperature high-humidity;
if the temperature difference value is greater than or equal to the first preset temperature difference value, the second temperature difference value is greater than or equal to the second preset temperature difference value, the third temperature difference value is greater than or equal to the third preset temperature difference value, and the fourth temperature difference value is greater than or equal to the fourth preset temperature difference value, the indoor air humidity is marked as high temperature and low humidity.
2. The humidity control method according to claim 1, wherein the step of obtaining the humidity of the indoor air according to the comparison result comprises:
if the first temperature difference value is smaller than the first preset temperature difference value, the second temperature difference value is smaller than the second preset temperature difference value, the third temperature difference value is smaller than the third preset temperature difference value, and the fourth temperature difference value is smaller than the fourth preset temperature difference value, the indoor air humidity is marked as low temperature and high humidity;
if the temperature difference value is less than the first preset temperature difference value, the second temperature difference value is greater than or equal to the second preset temperature difference value, the third temperature difference value is greater than or equal to the third preset temperature difference value, and the fourth temperature difference value is less than the fourth preset temperature difference value, the indoor air humidity is marked as low temperature and low humidity.
3. The humidity control method according to claim 2, wherein the step of controlling the air conditioner to enter the preset dehumidification mode according to the indoor air humidity comprises:
if the indoor air humidity mark is high temperature and high humidity, controlling the air conditioner to enter a first preset dehumidification mode;
if the indoor air humidity mark is low temperature and high humidity, controlling the air conditioner to enter a second preset dehumidification mode;
if the indoor air humidity mark is high temperature and low humidity, controlling the air conditioner to enter a third preset dehumidification mode;
if the indoor air humidity mark is low temperature and low humidity, controlling the air conditioner to enter a fourth preset dehumidification mode;
the first preset dehumidification mode includes: the operation frequency of the compressor is increased by a preset frequency, the rotating speed of the inner fan is reduced by a preset rotating speed, and the angle of the air guide door is increased by a preset angle;
the second preset dehumidification mode includes: the running frequency of the compressor maintains the current frequency, the rotating speed of the inner fan is reduced by the preset rotating speed, and the angle of the air guide door maintains the current angle;
the third preset dehumidification mode includes: increasing the running frequency of the compressor by a preset frequency, maintaining the rotating speed of the inner fan at the current rotating speed, and maintaining the angle of the air guide door at the current angle;
the fourth preset dehumidification mode includes: the running frequency of the compressor is reduced to a preset frequency, the rotating speed of the inner fan is maintained at the current rotating speed, and the angle of the air guide door is maintained at the current angle.
4. A humidity control method according to claim 3, wherein said air conditioner is provided with an electronic expansion valve;
the first preset dehumidification mode includes: the opening degree of the electronic expansion valve is reduced by a preset opening degree;
the second preset dehumidification mode includes: the opening degree of the electronic expansion valve is increased by a preset opening degree;
the third preset dehumidification mode includes: the opening degree of the electronic expansion valve is reduced by a preset opening degree;
the fourth preset dehumidification mode includes: the opening degree of the electronic expansion valve is maintained at the current opening degree.
5. A humidity control method according to claim 4 wherein said method comprises:
and controlling the air conditioner to continuously run for a fourth time length after the refrigeration mode of the air conditioner is started, wherein the fourth time length is less than or equal to the first time length, and the fourth time length is less than or equal to the third time length.
6. The humidity control method according to claim 5, wherein the first period of time ranges from 10 to 30min; the value range of the second time length is 10-30 min; the value range of the third time length is 10-30 min; the value range of the fourth time length is 0-60 s;
and/or the value range of the first preset temperature difference value is 5-10 ℃; the value range of the second preset temperature difference value is 5-8 ℃; the value range of the third preset temperature difference value is 15-20 ℃; the value range of the fourth preset temperature difference value is 15-20 ℃;
and/or the value range of the preset frequency is 3-5 Hz; the value range of the preset rotating speed is 10-30 rpm; the value range of the preset angle is 5-10 degrees; the value range of the preset opening is 10-30 b.
7. A method of humidity control according to claim 2 wherein the method includes:
and if the indoor air humidity does not meet the requirements of high temperature and high humidity, low temperature and high humidity, high temperature and low humidity and low temperature and low humidity, controlling the air conditioner to exit the preset dehumidification mode.
8. A humidity control apparatus to which the humidity control method according to any one of claims 1 to 7 is applied, the apparatus comprising:
the acquisition module is used for acquiring the indoor environment temperature, the inner coil temperature and the set temperature of the air conditioner in the refrigeration mode;
the calculation module is used for calculating to obtain the indoor air humidity according to the indoor environment temperature, the temperature of the inner coil and the set temperature;
and the control module is used for controlling the air conditioner to enter a preset dehumidification mode according to the indoor air humidity.
9. An air conditioner comprising a computer readable storage medium storing a computer program and a processor, the computer program being read and executed by the processor to implement the method of any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that it stores a computer program which, when read and executed by a processor, implements the method according to any one of claims 1-7.
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