CN111878968B - Air conditioner and control method thereof - Google Patents

Air conditioner and control method thereof Download PDF

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Publication number
CN111878968B
CN111878968B CN202010746991.3A CN202010746991A CN111878968B CN 111878968 B CN111878968 B CN 111878968B CN 202010746991 A CN202010746991 A CN 202010746991A CN 111878968 B CN111878968 B CN 111878968B
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temperature
comfortable
comfort
stage
humidity
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CN111878968A (en
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胡敏志
刘忠民
李文双
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Hisense Guangdong Air Conditioning Co Ltd
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Hisense Guangdong Air Conditioning 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • 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
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • 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
    • 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

Abstract

The invention discloses an air conditioner and a control method thereof, wherein the control method of the air conditioner comprises the following steps: acquiring the outdoor environment temperature and the indoor environment relative humidity; determining a comfortable temperature area and a comfortable operation mode for the air conditioner to enter according to the outdoor environment temperature; according to the indoor environment relative humidity, searching a comfort stage target temperature initial value in the comfort operation mode in a comfort temperature and humidity reference table established based on the temperature and the humidity; determining a comfortable temperature compensation value under the comfortable temperature zone according to a temperature compensation value table for determining a temperature compensation value based on the thermal resistance of the garment under different temperature zones and the metabolic rate of the human body; and taking the sum of the comfort stage target temperature initial value and the comfort temperature compensation value as a comfort stage target temperature to control the air conditioner to operate. According to the air conditioner control method, the indoor temperature can be adjusted to the comfortable temperature of a human body, so that the use comfort of a user is improved, and the requirement of the user on the comfort is met.

Description

Air conditioner and control method thereof
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method thereof.
Background
In the related art, the air conditioner generally adjusts the outlet air temperature through a single temperature index. However, the air conditioner cannot adjust the indoor temperature to the comfortable temperature of the human body well only according to a single temperature index, so that the user feels poor and the requirement of the user on the comfort level cannot be met.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide an air conditioner control method, which adjusts the indoor temperature to a comfortable temperature of a human body, thereby improving the comfort of the user and satisfying the user's requirement for comfort.
Another objective of the present invention is to provide an air conditioner using the above air conditioner control method.
The air conditioner control method according to the embodiment of the first aspect of the present invention includes the steps of: acquiring the outdoor environment temperature and the indoor environment relative humidity; determining a comfortable temperature area and a comfortable operation mode for the air conditioner to enter according to the outdoor environment temperature; according to the indoor environment relative humidity, searching a comfort stage target temperature initial value in the comfort operation mode in a comfort temperature and humidity reference table established based on the temperature and the humidity; determining a comfortable temperature compensation value under the comfortable temperature zone according to a temperature compensation value table for determining a temperature compensation value based on the thermal resistance of the garment under different temperature zones and the metabolic rate of the human body; and taking the sum of the comfort stage target temperature initial value and the comfort temperature compensation value as a comfort stage target temperature to control the air conditioner to operate.
According to the air conditioner control method provided by the embodiment of the invention, the comfort stage target temperature initial value in the comfort operation mode is searched in the comfort temperature and humidity reference table established based on the temperature and the humidity according to the relative humidity of the indoor environment, the comfort temperature compensation value in the comfort temperature zone is determined according to the temperature compensation value table determining the temperature compensation value based on the thermal resistance of clothes and the metabolic rate of the human body in different temperature zones, the sum of the comfort stage target temperature initial value and the comfort temperature compensation value is used as the comfort stage target temperature to control the operation of the air conditioner, the indoor temperature can be adjusted to the comfort temperature of the human body, the use comfort of a user is improved, and the requirement of the user on the comfort level is met.
According to some embodiments of the present invention, when the comfort operation mode is the cooling mode, in the comfort temperature and humidity reference table, the lowest temperature corresponding to the indoor environment relative humidity is used as the comfort stage target temperature initial value; and when the comfortable operation mode is a heating mode, taking the highest temperature corresponding to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage in the comfortable temperature and humidity reference table.
According to some embodiments of the present invention, when the comfort operation mode is a cooling mode, if the indoor environment relative humidity is less than a lower limit value of comfort humidity in the comfort temperature and humidity reference table, taking a lowest temperature corresponding to the lower limit value of comfort humidity as an initial value of the target temperature of the comfort stage; if the indoor environment relative humidity is larger than the upper limit value of the comfortable humidity in the comfortable temperature and humidity reference table, taking the lowest temperature corresponding to the upper limit value of the comfortable humidity as the initial value of the target temperature in the comfortable stage; and if the indoor environment relative humidity is between the lower limit value of the comfortable humidity and the upper limit value of the comfortable humidity, taking the lowest temperature corresponding to the humidity closest to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage.
According to some embodiments of the present invention, when the comfort operation mode is a heating mode, if the indoor environment relative humidity is less than a lower limit value of comfort humidity in the comfort temperature and humidity reference table, taking a maximum temperature corresponding to the lower limit value of comfort humidity as an initial value of the target temperature in the comfort stage; if the indoor environment relative humidity is larger than the upper limit value of the comfortable humidity in the comfortable temperature and humidity reference table, taking the highest temperature corresponding to the upper limit value of the comfortable humidity as the initial value of the target temperature in the comfortable stage; and if the indoor environment relative humidity is between the lower limit value of the comfortable humidity and the upper limit value of the comfortable humidity, taking the highest temperature corresponding to the humidity closest to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage.
According to some embodiments of the present invention, the comfort operation mode includes an initial comfort stage, a stable comfort stage, and a healthy comfort stage sequentially set in time order, in the initial comfort stage, the comfort stage target temperature is used as an initial comfort stage target temperature at which the air conditioner is controlled to operate; in the stable comfort stage, the target temperature in the initial comfort stage is gradually increased or decreased until the target temperature in the stable comfort stage is equal to the target temperature in the stable comfort stage, and the target temperature in the stable comfort stage is the sum of the target temperature in the initial comfort stage and the comfort temperature compensation value; in the health comfort stage, the target temperature in the stable comfort stage is gradually increased or decreased until the target temperature is equal to the target temperature in the health comfort stage, and the target temperature in the health comfort stage is the sum of the target temperature in the stable comfort stage and the regulation temperature value.
According to some embodiments of the invention, an indoor ambient temperature is obtained; in the initial comfort stage, if the first set temperature difference is less than or equal to a first preset temperature and the duration reaches a first preset time, or the absolute value of the second set temperature difference is less than or equal to a second preset temperature and the duration reaches a second preset time, entering the stable comfort stage; wherein when comfortable the operation mode is for heating the mode the first difference of setting for is initial comfortable stage target temperature with the difference of indoor ambient temperature, when comfortable the operation mode is for refrigerating the mode the first difference of setting for is the difference of indoor ambient temperature with initial comfortable stage target temperature, the second difference of setting for is stable comfortable stage target temperature with the difference of indoor ambient temperature.
According to some embodiments of the invention, in the stable comfort phase, the healthy comfort phase is entered if the first set temperature difference is less than or equal to the negative first predetermined temperature and the duration reaches a third predetermined time.
According to some embodiments of the invention, in the comfort temperature and humidity reference table, an average value of a sum of a lower limit value of a comfort temperature and an upper limit value of the comfort temperature corresponding to a comfort humidity of a human body is used as the target temperature in the stable comfort stage.
According to some embodiments of the present invention, when the air conditioner is operated in the comfort operation mode for a fourth predetermined time, re-determining a comfort temperature zone according to the outdoor ambient temperature re-acquired; if the re-determined comfortable temperature zone is the same as the last comfortable temperature zone, continuing to operate in the last comfortable operation mode; and if the re-determined comfortable temperature zone is different from the last comfortable temperature zone, operating in a new comfortable operation mode according to the re-acquired outdoor environment temperature and indoor environment relative humidity.
According to the air conditioner of the embodiment of the second aspect of the present invention, the air conditioner control method according to the above-described embodiment of the first aspect of the present invention is employed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of an air conditioner control method according to an embodiment of the present invention;
fig. 2 is a logic block diagram of an air conditioner control method according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method of controlling the air conditioner when the comfort operation mode is the cooling mode;
fig. 4 is a flowchart illustrating a control method of the air conditioner when the comfort operation mode is the heating mode.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
An air conditioner according to some embodiments of the present application includes an air conditioner indoor unit installed in an indoor space. The indoor unit, i.e., the indoor unit, is connected to an outdoor unit, i.e., the outdoor unit, installed in an outdoor space through a pipe. The outdoor unit of the air conditioner may be provided with a compressor, an outdoor heat exchanger, an outdoor fan, an expander, and the like for a refrigeration cycle, and the indoor unit of the air conditioner may be provided with an indoor heat exchanger and an indoor fan.
An air conditioner control method according to an embodiment of the present invention is described below with reference to fig. 1 to 4. It should be noted that the step numbers in the present application, such as S1, S2, S3, S4, S5, and the like, are only for convenience of describing the present solution, and are not to be construed as limiting the order of the steps. That is, for example, the execution order of steps S1, S2, S3, S4, and S5 may be specifically determined according to actual needs, and is not limited to the control in the order of S1 to S5.
As shown in fig. 1, the air conditioner control method according to the embodiment of the present invention includes the steps of:
and S1, acquiring the outdoor environment temperature Tout and the indoor environment relative humidity Rh. The indoor environment relative humidity Rh refers to a ratio of absolute humidity in air to saturated absolute humidity at the same temperature, and can be acquired by an indoor humidity sensor.
And S2, determining a comfortable temperature zone and a comfortable operation mode which are entered by the air conditioner according to the outdoor environment temperature Tout.
It is understood that, in the above step S2, when the outdoor ambient temperature Tout is different, the comfort temperature zone and the comfort operation mode that the air conditioner enters are different. The comfort operation mode may include a heating mode, a cooling mode, and an air supply mode, among others. For example, when Tout is high, the air conditioner enters a cooling mode, and when Tout is low, the air conditioner enters a heating mode. When the comfort operation mode is the blowing mode, steps S1-S5 may not be performed.
The comfort temperature zone can be multiple. For example, as shown in table 2, the comfort temperature zones may be four, and the four comfort temperature zones may be a first temperature zone, a second temperature zone, a third temperature zone, and a fourth temperature zone, respectively. When Tout is less than or equal to 13 ℃, the air conditioner can enter a first temperature area, and when Tout is more than 13 ℃ and less than or equal to 18 ℃, the air conditioner enters a second temperature area; when Tout is more than 18 ℃ and less than or equal to 24 ℃, the air conditioner enters a third temperature zone; when Tout is more than 24 ℃, the air conditioner enters a fourth temperature zone. It can be understood that the number of the comfortable temperature zones and the boundary temperature for dividing the comfortable temperature zones can be specifically set according to actual requirements so as to better meet the actual application.
And S3, according to the indoor environment relative humidity, searching a comfort stage target temperature initial value in a comfort operation mode in a comfort temperature and humidity reference table established based on the temperature and the humidity.
In the step S3, the comfort temperature and humidity reference table is calculated based on the currently internationally recognized human thermal comfort evaluation index pmv (predicted Mean volume) predicted average thermal sensation index value, and is obtained by calculation. In a comfort temperature and humidity reference table, the PMV value is +/-0.5. A comfort temperature and humidity reference table according to an example of the present invention is shown in table 1.
It should be noted that PMV is the predicted average heat sensation index, and the PMV evaluation index includes 4 environmental factors and 2 human factors. Wherein, the 4 environmental factors may include air temperature, humidity, air flow rate and average radiation temperature; the 2 human factors may include human metabolic rate and clothing thermal resistance.
TABLE 1 comfortable humiture reference meter
Figure BDA0002608713540000051
S4, determining a comfortable temperature compensation value under the comfortable temperature zone according to a temperature compensation value table for determining temperature compensation values based on different temperature zones, clothing thermal resistances and human body metabolic rates.
For example, a temperature compensation value table according to one example of the present invention is shown in table 2.
TABLE 2 temperature Compensation value Table
Outdoor ambient temperature Tout (. degree. C.) Clothing thermal resistance clo Human metabolic rate M Comfort temperature compensation value TSupplement (℃)
> 24 (fourth temperature zone) 0.5 1.2 0
Greater than 18, less than or equal to 24 (third temperature zone) 0.8 1.2 -2
More than 13, less than or equal to 18 (second temperature zone) 1.0 1.2 -3
Less than or equal to 13 (first temperature zone) 1.0 1.2 -3
S5, setting the initial value of the target temperature in the comfort stage and the compensation value T of the comfort temperatureSupplement deviceAnd the sum is used as a target temperature in a comfort stage to control the operation of the air conditioner.
For example, in Table 2, T is when Tout ≦ 13 deg.CSupplement device-3 ℃ when the comfort stage target temperature is 3 ℃ lower than the comfort stage target temperature starting value. When Tout is less than or equal to 13 ℃, the outdoor environment temperature Tout is low, the air conditioner can enter the first temperature zone and operate the heating mode at the moment, and the initial outlet air temperature value of the air conditioner is the initial value of the target temperature in the comfort stage, so that the rapid rise of the temperature is realizedAnd (4) warming. After the indoor temperature rises, if the initial value of the target temperature in the comfortable stage is continuously used as the air outlet temperature of the air conditioner, the indoor temperature is overhigh, and the use comfort of a user is reduced. The target temperature in the comfortable stage is 3 ℃ lower than the initial value of the target temperature in the comfortable stage, so that the indoor temperature is reasonable, and the user experience is improved. Therefore, through the steps S1-S5, the indoor temperature can be adjusted to the comfortable temperature of the human body based on the clothing thermal resistance and the human body metabolic rate, and compared with the existing control method for adjusting the air outlet temperature according to a single temperature index, the control method can take the human body comfort as a core, thereby improving the use comfort of a user and meeting the requirement of the user on the comfort.
According to the air conditioner control method provided by the embodiment of the invention, the comfort stage target temperature initial value in the comfort operation mode is searched in the comfort temperature and humidity reference table established based on the temperature and the humidity according to the indoor environment relative humidity, and the comfort temperature compensation value T in the comfort temperature zone is determined according to the temperature compensation value table for determining the temperature compensation value based on the clothing thermal resistance and the human body metabolic rate in different temperature zonesSupplement deviceAnd the initial value of the comfortable stage target temperature and the comfortable temperature compensation value TSupplement deviceThe sum is used as the target temperature of a comfortable stage to control the operation of the air conditioner, and the indoor temperature can be adjusted to the comfortable temperature of a human body, so that the use comfort of a user is improved, and the requirement of the user on the comfort is met.
In some embodiments of the present invention, with reference to fig. 3 and 4, when the comfort operation mode is the cooling mode, in the comfort temperature and humidity reference table, the lowest temperature corresponding to the indoor environment relative humidity is used as the initial comfort stage target temperature value. And when the comfortable operation mode is the heating mode, taking the highest temperature corresponding to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage in the comfortable temperature and humidity reference table. Therefore, when the indoor temperature is higher, the initial value of the target temperature in the comfort stage is the lowest temperature corresponding to the relative humidity of the indoor environment, so that the indoor temperature can be quickly reduced; when the indoor temperature is lower, the initial value of the target temperature in the comfort stage is the highest temperature corresponding to the indoor environment relative humidity, so that the indoor temperature can be rapidly improved, and the use comfort of a user is improved.
In a further embodiment of the present invention, referring to fig. 3, when the comfort operation mode is the cooling mode, if the indoor environment relative humidity is less than the lower limit value of the comfort humidity in the comfort temperature and humidity reference table, the lowest temperature corresponding to the lower limit value of the comfort humidity is used as the initial value of the target temperature in the comfort stage. For example, in combination with table 1, the lower limit value of comfort humidity may be 30%, and when the indoor ambient relative humidity is less than 30%, the lowest temperature corresponding to the indoor ambient relative humidity of 30%, that is, 24.5 ℃ may be used as the initial value of the comfort stage target temperature.
And if the indoor environment relative humidity is greater than the upper limit value of the comfortable humidity in the comfortable temperature and humidity reference table, taking the lowest temperature corresponding to the upper limit value of the comfortable humidity as the initial value of the target temperature in the comfortable stage. For example, referring to table 1, the upper comfort humidity limit value may be 65%, and when the indoor ambient relative humidity is greater than 65%, the lowest temperature of 23.5 ℃ corresponding to the indoor ambient relative humidity of 65% may be used as the initial comfort-stage target temperature value.
And if the indoor environment relative humidity is between the lower limit value of the comfortable humidity and the upper limit value of the comfortable humidity, taking the lowest temperature corresponding to the humidity closest to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage. For example, as shown in table 1, when the indoor environment relative humidity is 43%, and the closest humidity in the comfort temperature and humidity reference table is 45%, the lowest temperature 24 ℃ corresponding to the humidity of 45% is set as the comfort stage target temperature initial value. From this, through the aforesaid setting, when comfortable operating mode is the cooling mode, make comfortable stage target temperature initial value can be more accurate to can effectively adjust indoor ambient temperature Tin to comfortable temperature, improve user's comfort level.
In some embodiments of the present invention, referring to fig. 4 and combining table 1, when the comfort operation mode is the heating mode, if the indoor environment relative humidity is less than the lower limit value of the comfort humidity in the comfort temperature and humidity reference table, the highest temperature corresponding to the lower limit value of the comfort humidity is used as the initial value of the target temperature in the comfort stage;
if the indoor environment relative humidity is larger than the upper limit value of the comfortable humidity in the comfortable temperature and humidity reference table, taking the highest temperature corresponding to the upper limit value of the comfortable humidity as the initial value of the target temperature in the comfortable stage;
and if the indoor environment relative humidity is between the lower limit value of the comfortable humidity and the upper limit value of the comfortable humidity, taking the highest temperature corresponding to the humidity closest to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage.
For example, in table 1, the lower limit of the comfort humidity is 30%, the upper limit of the comfort humidity is 65%, and when the indoor environment relative humidity is less than 30%, the maximum temperature corresponding to the indoor environment relative humidity of 30%, that is, 27 ℃ is used as the initial value of the target temperature in the comfort stage; when the indoor environment relative humidity is larger than 65%, taking the maximum temperature corresponding to the indoor environment relative humidity of 65%, namely 26 ℃, as the initial value of the target temperature in the comfort stage; when the indoor ambient relative humidity is between 30% and 60% (inclusive), the maximum temperature corresponding to the humidity closest to the indoor ambient relative humidity is taken as the comfort stage target temperature initial value. For example, when the indoor environment relative humidity is 43%, the closest humidity in the comfort temperature and humidity reference table is 45%, and the maximum temperature of 26.5 ℃ corresponding to the humidity of 45% is used as the initial value of the comfort stage target temperature. Therefore, when the comfortable operation mode is the heating mode, the initial value of the target temperature in the comfortable stage can be more accurate, so that the indoor environment temperature Tin can be effectively adjusted to the comfortable temperature, and the comfort level of the user is improved.
In some embodiments of the present invention, the comfort operation mode includes an initial comfort phase, a stable comfort phase, and a healthy comfort phase, which are sequentially set in time order.
Specifically, in the initial comfort stage, the comfort stage target temperature is set as the initial comfort stage target temperature TsBeginningAt an initial comfort stage target temperature TsBeginningAnd controlling the air conditioner to operate. In this step, the comfort stage target temperature is the comfort stage target temperature initial value and the comfort temperature compensation value TSupplement deviceAnd (4) summing. Wherein, in the initial comfort stage, the indoor temperature can be rapidly reduced or increased, therebyHigh comfort for the user.
In the stable comfort phase, the target temperature Ts in the initial comfort phaseBeginningGradually increasing or decreasing until reaching the target temperature Ts in the stable comfort stage'Jieshu' for treating rheumatismEqual, stable comfort stage target temperature Ts'Jieshu' for treating rheumatismFor an initial comfort phase target temperature TsBeginningAnd comfort temperature compensation value TSupplement deviceAnd (4) summing.
For example, when the comfort operation mode is the cooling mode, in the stable comfort phase, the target temperature Ts is the initial comfort phaseBeginningGradually increasing until the target temperature Ts is stabilized in the comfort stage'Jieshu' for treating rheumatismEqual; when the comfort operation mode is the heating mode, the initial comfort stage target temperature TsBeginningGradually decreased until reaching the target temperature Ts of the stable comfort stage'Jieshu' for treating rheumatismAre equal. Therefore, in the stable and comfortable stage, the indoor temperature is slowly increased or decreased gradually, so that the temperature can be gradually adjusted to the comfortable temperature of the human body, and the requirement of the user on the comfort level is met.
In the healthy and comfortable stage, the target temperature Ts in the stable and comfortable stage'Jieshu' for treating rheumatismGradually increasing or decreasing until reaching the target temperature Ts in the healthy and comfortable stageJointEqual, healthy and comfortable stage target temperature TsJointTo stabilize the comfort stage target temperature Ts'Jieshu' for treating rheumatismAnd the sum of the adjusted temperature values. Wherein, when the comfortable operation mode is the cooling mode, the target temperature Ts is stabilized in the comfortable and healthy stage'Jieshu' for treating rheumatismGradually increasing until the target temperature Ts is in a healthy and comfortable stageJointEqual; stabilizing the comfort stage target temperature Ts when the comfort operation mode is the heating mode'Jieshu' for treating rheumatismGradually decreased until reaching the target temperature Ts in the healthy and comfortable stageJointAre equal. Thus, in the healthy and comfortable stage, the temperature can be adjusted to the target temperature Ts in the healthy and comfortable stage which is beneficial to the human health while ensuring the use comfort of the userJointAnd the user is prevented from getting 'air conditioner diseases'.
In a further embodiment of the present invention,
acquiring indoor environment temperature Tin;
in the initial comfort phase, if the first set temperature is setIf the difference is less than or equal to a first preset temperature and the duration reaches a first preset time, or the absolute value of a second set temperature difference is less than or equal to a second preset temperature and the duration reaches a second preset time, entering a stable and comfortable stage. Wherein the first set temperature difference is an initial comfort stage target temperature Ts when the comfort operation mode is the heating modeBeginningAnd the difference value of the indoor environment temperature Tin, when the comfortable operation mode is the cooling mode, the first set temperature difference is the indoor environment temperature Tin and the target temperature Ts in the initial comfortable stageBeginningIs the second set temperature difference is the target temperature Ts in the stable comfort stage'Jieshu' for treating rheumatismAnd the indoor ambient temperature Tin.
For example, when the absolute value of the second set temperature difference is less than or equal to the second predetermined temperature and the duration reaches the second predetermined time, the temperature of the initial comfort stage is not reached, but the temperature of the stable comfort stage is reached; when the comfortable operation mode is the heating mode, when the first set temperature difference is less than or equal to the first preset temperature and the duration time reaches the first preset time, the indoor environment temperature Tin is already increased to be close to the target temperature Ts in the initial comfortable stageBeginningIf continued with the initial comfort phase target temperature TsBeginningOperation, which may result in excessive indoor temperature; when the comfortable operation mode is the cooling mode, when the first set temperature difference is less than or equal to the first preset temperature and the duration time reaches the first preset time, the indoor environment temperature Tin is already reduced to be close to the target temperature Ts in the initial comfortable stageBeginningIf continued with the initial comfort phase target temperature TsBeginningIn operation, the indoor temperature may be too low. Therefore, the user can be ensured to have higher comfort by entering the stable comfort stage when the first set temperature difference is less than or equal to the first preset temperature and the duration reaches the first preset time. Alternatively, the first predetermined temperature and the second predetermined temperature may both be 0.5 ℃, the first predetermined time may be 5min, and the second predetermined time may be 15 min. But is not limited thereto.
Further, in the stable and comfortable stage, if the first set temperature difference is less than or equal to the negative first preset temperature and the duration reaches the third preset time, the health is enteredA comfort phase. Alternatively, the third predetermined time may be 30 min. For example, when the comfort operation mode is the heating mode, the first set temperature difference is the initial comfort stage target temperature TsBeginningAnd the indoor ambient temperature Tin. When the first set temperature difference is less than or equal to the negative first predetermined temperature, the indoor environment temperature Tin is over high. Therefore, the health and comfort stage is started when the first set temperature difference is less than or equal to the negative first preset temperature and the duration time reaches the third preset time, and when the comfort operation mode is the heating mode, the indoor environment temperature Tin can be prevented from being too high; when comfortable operation mode is the refrigeration mode, can avoid indoor ambient temperature Tin to hang down excessively, when guaranteeing that the user has higher comfort level, be favorable to user's healthy.
In some embodiments of the invention, in the comfort temperature and humidity reference table, an average value of a sum of a lower comfortable temperature limit value and an upper comfortable temperature limit value corresponding to the comfortable humidity of the human body is used as the target temperature Ts in the stable comfort stage'Jieshu' for treating rheumatism. For example, when the comfortable humidity of the human body is 50%, the lower limit value of the comfortable temperature corresponding to the comfortable humidity of the human body is 24 ℃, the upper limit value of the comfortable temperature is 26.5 ℃, the average value of the sum of the lower limit value of the comfortable temperature and the upper limit value of the comfortable temperature is 25.25 ℃, and since the comfortable temperature and humidity reference table does not have 25.25 ℃, the target temperature Ts of the stable comfortable stage is 25.5 ℃ close to 25.25 ℃'Jieshu' for treating rheumatism. So arranged, the target temperature Ts in the stable and comfortable stage can be avoided'Jieshu' for treating rheumatismToo high or too low to stabilize the comfort stage target temperature Ts'Jieshu' for treating rheumatismThe temperature is comfortable for the human body, thereby further improving the use comfort of the user.
In some embodiments of the present invention, the,
when the air conditioner operates in the comfortable operation mode for the fourth preset time, re-determining the comfortable temperature zone according to the re-acquired outdoor environment temperature Tout;
if the re-determined comfortable temperature zone is the same as the last comfortable temperature zone, continuing to operate in the last comfortable operation mode;
if the re-determined comfort temperature zone is different from the last comfort temperature zone, the operation is performed in a new comfort operation mode according to the re-acquired outdoor ambient temperature Tout and indoor ambient relative humidity.
Wherein the fourth predetermined time may be two hours. And determining a new operation temperature zone according to the outdoor environment temperature Tout every two hours. If the temperature is still in the original operation temperature zone, the original mode and stage operation are continuously kept; and if the temperature is in the new temperature zone, the original operation mode is interrupted by combining the indoor environment temperature Tin and the indoor environment relative humidity Rh of the new temperature zone, and the operation is carried out in a new specific mode. When the indoor sensor fails, overflows, and there is no humidity sensor, the indoor ambient relative humidity defaults to a comfort humidity ceiling value of, for example, 65%. Therefore, through the arrangement, when the outdoor environment temperature Tout changes, the comfortable operation mode can be timely changed according to the outdoor environment temperature Tout, and the use comfort of a user can be ensured.
A control method of an air conditioner when the comfort operation mode is the heating mode according to an embodiment of the present invention will be described in detail with reference to fig. 2.
Sq1, a TMS (Thermal and humidity Management System) function is started by the air conditioner;
sq2, determining that the air conditioner enters a first temperature zone and operates a heating mode according to Tout, Tin and Rh;
sq3, obtaining clo, Ts-primary, Ts-comfortable and Ts-section;
sq4, entering a heating initial comfortable stage;
sq5, judgment EBeginningWhether the temperature is less than or equal to 0.5 ℃;
sq6, if the judgment result of the step Sq5 is yes, entering a heating stable and comfortable stage; if the judgment result of the step Sq5 is negative, returning to the step Sq 4;
sq7, judgment E'Jieshu' for treating rheumatismWhether the temperature is less than or equal to 0.5 ℃;
sq8, if the judgment result of the step Sq7 is positive, entering a heating health and comfort stage; if the judgment result of the step Sq7 is negative, returning to the step Sq 6;
sq9, judging whether the current frequency value of the compressor is zero or not. For example, when the compressor frequency F is 0, the compressor is in warm-stop operation.
Sq10, if the judgment result of the step Sq9 is yes, judging whether the time delay is more than 3 min; if the judgment result of the step Sq9 is negative, the step Sq8 is returned.
It should be noted that, when the delay time is greater than or equal to 3min, it indicates that the compressor needs to wait for 3min after being stopped and restarted, so that the compressor can be well protected.
Sq11, if the judgment result of the step Sq10 is yes, whether Tin is more than or equal to Ts is judgedJoint；
Sq12, if the judgment result of the step Sq11 is positive, the ventilation breeze runs for 30 s; if the judgment result of the step Sq11 is negative, the step Sq8 is returned.
In the above step Sq12, if the judgment result of step Sq11 is yes, the air conditioner operates only the blowing mode. The term "breeze" refers to a condition in which the indoor fan is operated at a very low rotational speed, for example, the rotational speed of the wind wheel is 700rpm or less, and the breeze is sent indoors.
Sq13, judging whether Tin is more than or equal to Ts againJoint；
Sq14, if the judgment result of the step Sq13 is yes, returning to the step Sq 12; if the judgment result of the step Sq13 is negative, the step Sq8 is returned. Therefore, through the steps Sq1-Sq14, the energy consumption of the air conditioner can be reduced while the use comfort of the user is ensured.
It should be noted that fig. 2 is a control logic diagram of the first temperature range, wherein the meaning of each symbol in fig. 2-4 is shown in table 3.
TABLE 3
Figure BDA0002608713540000111
According to the air conditioner of the embodiment of the second aspect of the present invention, the air conditioner control method according to the above-described embodiment of the first aspect of the present invention is employed.
For example, the air conditioner may enter cooling, heating, dehumidifying, weak heating, or blowing modes with one key. In addition, the air conditioner can automatically control the comfort according to the outdoor environment temperature Tout, the indoor environment temperature Tin, the indoor environment relative humidity Rh, the clothes dressing amount, the human body metabolism, the radiation temperature or the wind speed and the like, so as to achieve the aim of the optimal comfortable state of the human body.
The operation state of the indoor fan, the operation state and frequency of the compressor, the electric heating operation state, the transverse air deflector, the longitudinal air deflector and the like in the initial comfort stage, the stable comfort stage and the healthy comfort stage of the heating mode are shown in the table 4,
table 4: detailed operation control requirements of each component of air conditioner
Figure BDA0002608713540000112
Figure BDA0002608713540000121
According to the air conditioner disclosed by the embodiment of the invention, by adopting the air conditioner control method, the indoor temperature can be adjusted to the comfortable temperature of a human body, so that the use comfort of a user is improved, and the requirement of the user on the comfort is met.
Other configurations and operations of the air conditioner according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. An air conditioner control method is characterized by comprising the following steps:
acquiring the outdoor environment temperature and the indoor environment relative humidity;
determining a comfortable temperature area and a comfortable operation mode for the air conditioner to enter according to the outdoor environment temperature;
according to the indoor environment relative humidity, searching a comfort stage target temperature initial value in the comfort operation mode in a comfort temperature and humidity reference table established based on the temperature and the humidity;
determining a comfortable temperature compensation value under the comfortable temperature zone according to a temperature compensation value table for determining a temperature compensation value based on the thermal resistance of the garment under different temperature zones and the metabolic rate of the human body;
taking the sum of the comfort stage target temperature initial value and the comfort temperature compensation value as a comfort stage target temperature to control the air conditioner to operate;
wherein the comfortable operation mode comprises an initial comfortable stage, a stable comfortable stage and a healthy comfortable stage which are sequentially arranged along the time sequence,
in the initial comfort stage, the comfort stage target temperature is used as an initial comfort stage target temperature, and the air conditioner is controlled to operate at the initial comfort stage target temperature;
in the stable comfort stage, the target temperature in the initial comfort stage is gradually increased or decreased until the target temperature in the stable comfort stage is equal to the target temperature in the stable comfort stage, and the target temperature in the stable comfort stage is the sum of the target temperature in the initial comfort stage and the comfort temperature compensation value;
in the healthy and comfortable stage, the stable and comfortable stage target temperature is gradually increased or decreased until the stable and comfortable stage target temperature is equal to a healthy and comfortable stage target temperature, and the healthy and comfortable stage target temperature is the sum of the stable and comfortable stage target temperature and the comfortable temperature compensation value.
2. The air conditioner controlling method according to claim 1,
when the comfortable operation mode is a refrigeration mode, taking the lowest temperature corresponding to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage in the comfortable temperature and humidity reference table;
and when the comfortable operation mode is a heating mode, taking the highest temperature corresponding to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage in the comfortable temperature and humidity reference table.
3. The air conditioner controlling method according to claim 2, wherein when the comfort operation mode is a cooling mode,
if the indoor environment relative humidity is smaller than the lower limit value of the comfortable humidity in the comfortable temperature and humidity reference table, taking the lowest temperature corresponding to the lower limit value of the comfortable humidity as the initial value of the target temperature in the comfortable stage;
if the indoor environment relative humidity is larger than the upper limit value of the comfortable humidity in the comfortable temperature and humidity reference table, taking the lowest temperature corresponding to the upper limit value of the comfortable humidity as the initial value of the target temperature in the comfortable stage;
and if the indoor environment relative humidity is between the lower limit value of the comfortable humidity and the upper limit value of the comfortable humidity, taking the lowest temperature corresponding to the humidity closest to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage.
4. The air conditioner controlling method according to claim 2, wherein when the comfort operation mode is a heating mode,
if the indoor environment relative humidity is smaller than the lower limit value of the comfortable humidity in the comfortable temperature and humidity reference table, taking the highest temperature corresponding to the lower limit value of the comfortable humidity as the initial value of the target temperature in the comfortable stage;
if the indoor environment relative humidity is larger than the upper limit value of the comfortable humidity in the comfortable temperature and humidity reference table, taking the highest temperature corresponding to the upper limit value of the comfortable humidity as the initial value of the target temperature in the comfortable stage;
and if the indoor environment relative humidity is between the lower limit value of the comfortable humidity and the upper limit value of the comfortable humidity, taking the highest temperature corresponding to the humidity closest to the indoor environment relative humidity as the initial value of the target temperature in the comfortable stage.
5. The air conditioner controlling method according to claim 1,
acquiring the indoor environment temperature;
in the initial comfort stage, if the first set temperature difference is less than or equal to a first preset temperature and the duration reaches a first preset time, or the absolute value of the second set temperature difference is less than or equal to a second preset temperature and the duration reaches a second preset time, entering the stable comfort stage;
wherein when comfortable the operation mode is for heating the mode the first difference of setting for is initial comfortable stage target temperature with the difference of indoor ambient temperature, when comfortable the operation mode is for refrigerating the mode the first difference of setting for is the difference of indoor ambient temperature with initial comfortable stage target temperature, the second difference of setting for is stable comfortable stage target temperature with the difference of indoor ambient temperature.
6. The air conditioner controlling method according to claim 5,
and in the stable comfort stage, if the first set temperature difference is less than or equal to the negative first preset temperature and the duration reaches a third preset time, entering the healthy comfort stage.
7. The air conditioner control method according to claim 1, wherein in the comfort temperature and humidity reference table, an average value of a sum of a lower limit value of comfort temperature and an upper limit value of comfort temperature corresponding to comfort humidity of a human body is used as the stable comfort stage target temperature.
8. The air conditioner controlling method according to any one of claims 1 to 4,
when the air conditioner runs in the comfortable running mode for a fourth preset time, re-determining a comfortable temperature zone according to the re-acquired outdoor environment temperature;
if the re-determined comfortable temperature zone is the same as the last comfortable temperature zone, continuing to operate in the last comfortable operation mode;
and if the re-determined comfortable temperature zone is different from the last comfortable temperature zone, operating in a new comfortable operation mode according to the re-acquired outdoor environment temperature and indoor environment relative humidity.
9. An air conditioner characterized by employing the air conditioner control method according to any one of claims 1 to 8.
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