CN113757962A - Fresh air humidity control method and device, air conditioner and storage medium - Google Patents
Fresh air humidity control method and device, air conditioner and storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 81
- 230000008859 change Effects 0.000 claims description 152
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 126
- 238000013507 mapping Methods 0.000 claims description 37
- 230000036961 partial effect Effects 0.000 claims description 29
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 28
- 239000011780 sodium chloride Substances 0.000 claims description 14
- 238000011069 regeneration method Methods 0.000 claims description 11
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 10
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 10
- 230000002829 reductive effect Effects 0.000 claims description 10
- 230000008929 regeneration Effects 0.000 claims description 10
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 5
- 238000007791 dehumidification Methods 0.000 abstract description 23
- 238000004378 air conditioning Methods 0.000 abstract description 11
- 238000009833 condensation Methods 0.000 abstract description 7
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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Abstract
The embodiment of the invention discloses a fresh air humidity control method, a fresh air humidity control device, an air conditioner and a storage medium, which are used for solving the problem of energy consumption caused by condensation and dehumidification by an air conditioning system in the prior art; the method comprises the steps of determining the target humidity variation of fresh air according to the target humidity, the outdoor temperature and the outdoor humidity by acquiring the outdoor temperature, the outdoor humidity and the target humidity, and determining the humidity amount to be adjusted according to the outdoor temperature and the outdoor humidity, so that the accuracy of humidity adjustment is improved, the comfort level is increased, and the user experience is improved; control new trend and solution according to target humidity variable quantity and fuse to transmit the new trend after the humidity control to indoor, utilize solution to carry out humidity control, do not rely on air conditioning system to carry out the condensation dehumidification, realized solitary dehumidification and humidification function, reduce the energy consumption.
Description
Technical Field
The invention relates to the technical field of fresh air conditioners, in particular to a fresh air humidity control method and device, an air conditioner and a storage medium.
Background
Along with the increase of the requirements on the living environment, the requirements of people on the indoor air quality are correspondingly increased, and the fresh air conditioning system not only can ventilate, but also can adjust the humidity and the temperature of a room, so that the comfort level of the room is improved.
The fresh air humidity adjusting technology in the existing fresh air conditioning system mostly depends on the air conditioning system to carry out condensation and dehumidification, however, the air conditioning system is started to carry out humidity adjustment, so that the power consumption of the air conditioner is increased, and the energy conservation and emission reduction of the air conditioner are not facilitated.
Disclosure of Invention
The embodiment of the invention provides a fresh air humidity control method and device, an air conditioner and a storage medium, and aims to solve the problem of energy consumption caused by condensation and dehumidification by an air conditioning system in the prior art.
On one hand, the embodiment of the invention provides a fresh air humidity control method, which comprises the following steps:
acquiring outdoor temperature, outdoor humidity and target humidity;
determining the target humidity variation of the fresh air according to the target humidity, the outdoor temperature and the outdoor humidity;
and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air according to the target humidity change amount.
In some embodiments of the present invention, the controlling, according to the target humidity change amount, the solution to separate out water vapor into the fresh air, or the solution to absorb the water vapor in the fresh air includes:
acquiring target change quality of the solution corresponding to the target humidity change quantity;
controlling a fresh air motor in an air conditioner to introduce outdoor fresh air, and fusing the fresh air and the solution;
and controlling the solution to separate out water vapor into fresh air according to the target change quality, or controlling the solution to absorb the water vapor in the fresh air.
In some embodiments of the present invention, the obtaining the target change quality of the solution corresponding to the target humidity change amount includes:
obtaining a target quality coefficient corresponding to the target humidity variation through a preset mapping relation between humidity and a coefficient;
and calculating the target change mass of the solution according to the target mass coefficient and the target humidity change quantity.
In some embodiments of the present invention, the controlling the solution to separate out water vapor into fresh air according to the target change quality, or controlling the solution to absorb water vapor in fresh air includes:
according to the target change mass, water vapor is absorbed or separated out through the solution, and the humidity of the fresh air is adjusted;
acquiring the current mass of the solution and the initial mass of the solution, and acquiring the actual variable quantity of the solution according to the current mass and the initial mass;
and if the actual change quality reaches the target change quality, transmitting the fresh air with the humidity adjusted to the indoor.
In some embodiments of the present invention, the determining the target humidity change amount of the fresh air according to the outdoor temperature and the outdoor humidity includes:
determining a preset moisture content according to the target humidity and the outdoor temperature, and calculating an actual moisture content according to the outdoor humidity;
and calculating a difference value between the preset moisture content and the actual moisture content, and taking the difference value as the target humidity variation of the fresh air.
In some embodiments of the present invention, the determining a preset moisture content according to the target humidity and the outdoor temperature, and the calculating an actual moisture content according to the outdoor humidity comprises:
acquiring the water vapor saturation partial pressure corresponding to the outdoor temperature, and acquiring a preset atmospheric pressure threshold;
calculating to obtain a preset moisture content according to the target humidity, the water vapor saturation partial pressure and the preset atmospheric pressure threshold;
and calculating to obtain the actual moisture content according to the outdoor humidity, the water vapor saturation partial pressure and the preset atmospheric pressure threshold.
In some embodiments of the present invention, after controlling the solution to separate out water vapor into the fresh air or absorbing water vapor in the fresh air according to the target humidity change amount, the method includes:
collecting at least one quantity of the mass, the concentration and the pressure of the solution;
judging whether the amount of the solution is larger than a preset amount threshold value or not, and determining whether the solution is regenerated or not;
if the solution is subjected to solution regeneration, the amount of the solution is reduced by increasing the temperature of the solution.
In some embodiments of the present invention, the controlling, according to the target humidity change amount, the solution to separate out water vapor into the fresh air or the solution to absorb water vapor in the fresh air includes:
determining a target pressure difference value of the solution according to the target humidity variation;
obtaining an initial pressure of the solution;
controlling a fresh air motor in the air conditioner to fuse fresh air and the solution, and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air;
detecting the current pressure of the solution, and obtaining the pressure difference of the solution according to the initial pressure and the current pressure;
and if the pressure difference reaches the target pressure difference, transferring the fresh air with the humidity adjusted to the indoor.
In some embodiments of the present invention, the determining the target pressure difference value of the solution according to the target humidity change amount comprises:
acquiring a preset pressure coefficient;
and calculating the product of the target humidity variable quantity and the pressure coefficient to obtain a target pressure difference value of the solution corresponding to the target humidity variable quantity.
In some embodiments of the present invention, the controlling of the fresh air motor in the air conditioner to fuse the fresh air and the solution, and the controlling of the solution to separate out water vapor into the fresh air or the solution to absorb the water vapor in the fresh air comprises:
controlling the rotating speed of a fresh air motor in the air conditioner, and fusing fresh air with any one of lithium bromide solution, lithium chloride solution, calcium chloride solution and sodium chloride solution;
and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air.
On the other hand, the embodiment of the present invention provides a fresh air humidity control device, including:
the acquisition module is used for acquiring outdoor temperature, outdoor humidity and target humidity;
the humidity determining module is used for determining the target humidity variation of the fresh air according to the target humidity, the outdoor temperature and the outdoor humidity;
and the control module is used for controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air according to the target humidity change amount.
On the other hand, the embodiment of the invention provides an air conditioner, wherein the fresh air humidity control comprises a memory and a processor; the memory stores an application program, and the processor is used for operating the application program in the memory so as to execute the operation in the fresh air humidity control method.
In another aspect, an embodiment of the present invention provides a storage medium, where the storage medium stores a plurality of instructions, and the instructions are suitable for being loaded by a processor to perform the steps in the fresh air humidity control method.
According to the embodiment of the invention, the target humidity, the outdoor temperature and the outdoor humidity are obtained, the target humidity variation of the fresh air is determined according to the target humidity, the outdoor temperature and the outdoor humidity, the humidity amount to be regulated is determined according to the temperature and the humidity of the environment, the humidity regulation accuracy is improved, the comfort level is increased, and the user experience is improved; according to the target humidity change amount, the solution is controlled to separate out water vapor into fresh air or absorb the water vapor in the fresh air, the solution is utilized for humidity control, condensation dehumidification is not carried out by an air conditioning system, the independent dehumidification and humidification functions are realized, and the energy consumption is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a fresh air system provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another embodiment of a fresh air system provided in an embodiment of the present invention;
FIG. 3 is a schematic flow chart of an embodiment of a fresh air humidity control method according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of an embodiment of adjusting the fresh air humidity in the fresh air humidity control method according to the embodiment of the present invention;
FIG. 5 is a schematic flow chart illustrating an embodiment of determining a target change quality in a fresh air humidity control method according to an embodiment of the present invention;
FIG. 6 is a schematic flow chart illustrating solution quality detection in a fresh air humidity control method according to an embodiment of the present invention;
fig. 7 is a schematic flow chart of adjustment of fresh air humidity in the fresh air humidity control method according to another embodiment of the present invention;
FIG. 8 is a schematic flow chart illustrating solution regeneration in a fresh air humidity control method according to an embodiment of the present invention;
fig. 9 is a schematic flow chart illustrating an embodiment of determining a target humidity change amount in a fresh air humidity control method according to an embodiment of the present invention;
fig. 10 is a schematic flow chart of an embodiment of acquiring moisture content in a fresh air humidity control method according to an embodiment of the present invention;
FIG. 11 is a schematic view of an application scenario of the fresh air humidity control method according to the embodiment of the present invention;
FIG. 12 is a schematic structural diagram of an embodiment of a fresh air humidity control device according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of an embodiment of an air conditioner according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a fresh air humidity control method and device, an air conditioner and a storage medium. It should be noted that, according to the embodiment of the fresh air humidity control method provided by the embodiment of the present invention, the steps shown in the flowchart of the drawings may be executed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in an order different from the execution order here.
The fresh air humidity control method provided by the embodiment of the invention is applied to a fresh air system of an air conditioner, and the fresh air system of the air conditioner is arranged in the air conditioner and used for introducing outdoor fresh air into a room. In some embodiments of the present invention, the air conditioner may be an industrial air conditioner, a household air conditioner, a single air conditioner, or an air conditioner unit or a multi-split air conditioner composed of a plurality of air conditioners. The air conditioner comprises an air conditioner indoor unit, an air conditioner outdoor unit, an air conditioner control processor and a connecting component; the indoor unit of the air conditioner comprises an indoor fan, and the outdoor unit of the air conditioner comprises an outdoor fan and an outdoor compressor.
In some embodiments of the present invention, the fresh air system includes a fresh air motor and a solution module, the fresh air motor introduces outdoor fresh air into the solution module, and after the solution module adjusts humidity of the fresh air, the fresh air motor transmits the adjusted fresh air to the indoor. Exemplarily, as shown in fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a fresh air system provided by an embodiment of the present invention, and the illustrated fresh air system includes: the fresh air system comprises a first fresh air valve R1, a second fresh air valve R2, a solution module 103, a fresh air motor 104 and a fresh air control module 105. Wherein, first fresh air valve R1 is connected to solution module 103 one end, and the one end of new trend motor 104 is connected to solution module 103's the other end, and second fresh air valve R2 is connected to new trend motor 104 other end, and new trend control module 105 is connected with solution module 103 and new trend motor 104 respectively. When the fresh air mode is started, the first fresh air valve R1 is opened, the second fresh air valve R2 is closed, outdoor fresh air is introduced into the solution module 103 by the fresh air motor 104, after the fresh air motor 104 runs for a preset time, the first fresh air valve R1 is closed, the rotating speed of the fresh air motor 104 is adjusted by the fresh air control module 105, the fresh air is fully contacted with the solution in the solution module 103, the fresh air is dehumidified or humidified by utilizing the air pressure difference between the solution and the fresh air, after the fresh air is dehumidified or humidified, the second fresh air valve R2 is opened, and the fresh air motor 104 transmits the dehumidified or humidified fresh air to the indoor.
In some embodiments of the present invention, as shown in fig. 1, a sensor 106 and an electrothermal film block 107 are disposed at the bottom of the solution module 103, wherein the electrothermal film block 107 is used for separating out moisture in the solution and humidifying fresh air during the humidification of the fresh air; the sensor 106 is used for detecting the mass change of the solution, and determining whether the fresh air dehumidification or humidification is finished or not according to the mass change of the solution.
In some embodiments of the invention, the solution module 103 may be disposed within a chamber, as shown in fig. 1; in some embodiments of the invention, the solution module 103 may be located outdoors, as shown in FIG. 2.
According to the embodiment of the invention, the solution module 103 is additionally arranged in the fresh air system of the air conditioner, the humidity of the introduced outdoor fresh air is adjusted through the solution module 103, the independent dehumidification and humidification requirements of users can be met, the sensor 106 is additionally arranged in the solution module 103, the quality change of the solution is detected through the sensor 106, the humidity change condition of the fresh air is obtained, the flexibility of humidity adjustment is improved, and the comfort of the users is improved.
As shown in fig. 3, fig. 3 is a schematic flow chart of an embodiment of a fresh air humidity control method provided in an embodiment of the present invention, where the illustrated fresh air humidity control method includes steps 301 to 303:
The outdoor temperature is an outdoor temperature or an indoor temperature, wherein the outdoor temperature may be an instantaneous temperature or an average temperature within a preset time period.
The target humidity may be an indoor optimum relative humidity, and in some embodiments of the present invention, the target humidity may be obtained by obtaining an indoor space area, specifically, obtaining a preset humidity coefficient per unit area, obtaining the indoor space area, and obtaining the target humidity by obtaining the preset humidity coefficient per unit area. In some embodiments of the present invention, the target humidity may be obtained by the number of indoor users, specifically, a preset single humidity coefficient is obtained, the number of indoor users is obtained, and the target humidity is obtained by the preset single humidity coefficient and the number of indoor users. In some embodiments of the present invention, the target humidity may be a target humidity preset by a user. In some embodiments of the present invention, the target humidity may be obtained by acquiring indoor historical humidity data stored in the air conditioner and performing statistics on the indoor historical humidity data, for example, a mean value or a mode in the indoor historical humidity data may be used as the target humidity.
In some embodiments of the present invention, the outdoor temperature may be collected by a temperature sensor.
The outdoor humidity is either an outdoor humidity or an indoor humidity, wherein the outdoor humidity is any one of a relative humidity and an air humidity, wherein the relative humidity is used to quantify a water content of air in the environment.
In some embodiments of the present invention, the outdoor humidity may be collected by a humidity sensor, or may be collected by a wet and dry bulb.
In some embodiments of the present invention, the outdoor temperature and the outdoor humidity sent by the terminal may also be obtained, where the terminal may be a mobile terminal, such as a mobile phone, a tablet computer, an intelligent appliance, a cloud, or a server; specifically, a communication channel is established with the terminal, and the outdoor temperature and the outdoor humidity transmitted by the terminal are received through the communication channel.
It should be noted that, before step 301, a fresh air mode starting instruction is received, a fresh air mode is started, and the outdoor temperature and the outdoor humidity are obtained. In some embodiments of the invention, after receiving the fresh air mode opening instruction, judging whether a humidity adjusting instruction is received, and if the humidity adjusting instruction is received, acquiring the outdoor temperature and the outdoor humidity; if the humidity adjusting instruction is not received, the fresh air motor 104 is controlled to introduce outdoor fresh air into the room.
The humidity change amount is used to quantify the weight of the water vapor to be dehumidified or humidified, and in some embodiments of the present invention, the humidity change amount may be a difference between humidity and a water content, where the water content refers to the mass of the water vapor contained in the air.
In some embodiments of the present invention, the outdoor humidity is compared with a target humidity to determine whether to perform humidity adjustment, where the target humidity may be a target air humidity preset by a user or a target humidity corresponding to the outdoor temperature; specifically, the humidity difference between the outdoor humidity and the target humidity is calculated, the absolute value of the humidity difference is compared with a target humidity difference threshold value, if the absolute value of the humidity difference is smaller than or equal to the target humidity difference threshold value, the outdoor humidity meets the target humidity, the humidity of the fresh air is not adjusted, and the outdoor fresh air is introduced into the room through the fresh air motor 104; if the absolute value of the humidity difference is larger than the target humidity difference threshold value, the outdoor humidity is smaller than or larger than the target humidity, the humidity of the fresh air is adjusted, and the humidity difference is used as the target humidity variation of the fresh air.
In some embodiments of the present invention, the target humidity corresponding to the outdoor temperature may be obtained according to the outdoor temperature, the preset moisture content corresponding to the target humidity may be obtained, the actual moisture content corresponding to the outdoor humidity may be obtained, and the difference between the moisture content of the preset moisture content and the actual moisture content may be calculated to obtain the target humidity variation of the fresh air.
In some embodiments of the present invention, the humidity adjustment mode of the fresh air is determined according to the outdoor temperature and the outdoor humidity, wherein the humidity adjustment mode of the fresh air includes humidification and dehumidification; specifically, the outdoor humidity is compared with the target humidity, and if the outdoor humidity is greater than the target humidity, which indicates that the air humidity of the fresh air is too high, the humidity adjusting mode of the fresh air is dehumidification; if the outdoor humidity is less than the target humidity, the air of the fresh air is dry, and the humidity adjusting mode of the fresh air is humidification.
And 303, controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air according to the target humidity change amount.
The solution includes at least one of a lithium bromide solution, a lithium chloride solution, a calcium chloride solution, and sodium chloride.
In some embodiments of the invention, the water vapor is transferred by using the water vapor partial pressure difference between the solution and the air, so that the air humidity in the fresh air is adjusted. According to target humidity change volume control solution and educe during steam to the fresh air, or the steam in the fresh air is absorbed to solution, include: fuse new trend and solution, according to the vapor partial pressure difference between solution and the air, the solution absorbs in the new trend vapor and dehumidifies the new trend or solution separates out vapor and carries out the humidification to the new trend, detects the humidity change of new trend, and when the humidity change of new trend reached the target humidity variable quantity, the explanation new trend humidity reached the target humidity, and the new trend humidity control is accomplished, then transmits the new trend after the moderate degree was adjusted to indoor through new trend motor 104.
According to the embodiment of the invention, the outdoor temperature, the outdoor humidity and the target humidity are obtained, the target humidity variation of the fresh air is determined according to the target humidity, the outdoor temperature and the outdoor humidity, the humidity amount to be regulated is determined according to the temperature and the humidity of the environment, the humidity regulation accuracy is improved, the comfort level is increased, and the user experience is improved; according to the target humidity change amount, the solution is controlled to separate out water vapor into fresh air or absorb the water vapor in the fresh air, the solution is utilized for humidity control, condensation dehumidification is not carried out by an air conditioning system, the independent dehumidification and humidification functions are realized, and the energy consumption is reduced.
In some embodiments of the present invention, in order to better monitor a humidity adjustment condition of fresh air and reduce a monitoring difficulty of a humidity change of the fresh air, in the process of adjusting the humidity of the fresh air through a solution, a quality change condition of water vapor in the fresh air is obtained by monitoring a quality change of water vapor in the solution, so as to obtain a humidity change of the fresh air, specifically, as shown in fig. 4, fig. 4 is a flow diagram of an embodiment of a new humidity adjustment in a fresh air humidity control method provided in an embodiment of the present invention, where the illustrated fresh air humidity adjustment method includes steps 401 to 403:
The change mass is a change mass of the moisture in the solution, and is understood to be a target change mass of the moisture in the solution corresponding to the target humidity change amount.
In some embodiments of the present invention, a target quality coefficient corresponding to a target humidity change amount may be obtained through a preset mapping relationship between humidity and a coefficient, and a target change quality of the solution may be obtained through the target quality coefficient, where the quality coefficient is used to establish a transformation coefficient between the humidity change amount and the quality change amount, a moisture quality change amount corresponding to the humidity change amount may be solved through the quality coefficient, and a humidity change amount corresponding to the quality change amount may also be solved through the quality coefficient.
In some embodiments of the present invention, the mass coefficient may be tested by an earlier stage experiment to obtain a conversion coefficient between the humidity variation of the fresh air and the mass variation of the solution. Specifically, as shown in fig. 5, fig. 5 is a schematic flow chart of an embodiment of determining a target change quality in a fresh air humidity control method provided in an embodiment of the present invention, where the method for determining a target change quality includes steps 501 to 502:
The preset mapping relation of the humidity and the coefficient is used for indicating the corresponding relation between the humidity change quantity and the quality coefficient.
In some embodiments of the present invention, a preset mapping relationship between humidity and a coefficient corresponding to a solution type may be obtained through the solution type, a target humidity range corresponding to a target humidity variation may be obtained, and a target quality coefficient corresponding to the target humidity variation may be obtained by querying the preset mapping relationship between humidity and a coefficient according to the target humidity range. For example, the solution is a sodium chloride solution, and the humidity change value is a difference value of moisture contents, as shown in table one, the table is an illustration of a preset mapping relationship between humidity and a coefficient provided by the embodiment of the present invention, and when the humidity change value satisfies that an absolute value of the humidity change value is greater than or equal to 0 and less than 2, a corresponding target mass coefficient is 0; when the humidity change value satisfies that the absolute value of the humidity change value is more than or equal to 2 and less than 5, the corresponding target mass coefficient is A1; when the humidity change value satisfies that the absolute value of the humidity change value is more than or equal to 5 and less than 8, the corresponding target mass coefficient is A2; when the humidity change value satisfies 8 ≦ humidity change value absolute value <12, the corresponding target mass coefficient is A3, wherein A3> A2> A1> 0. For example, when the target humidity change amount is 6.5, the target mass coefficient corresponding to the target humidity change amount is a 2.
Table-preset mapping relationship between humidity and coefficient
It should be noted that the preset mapping relationship between humidity and coefficient, the humidity change amount value, the type of humidity change amount, and the quality coefficient value shown in table i are only exemplary illustrations, and the embodiment of the present invention does not limit the preset mapping relationship between humidity and coefficient, the humidity change amount value, the type of humidity change amount, and the quality coefficient value, and the humidity change amount value, the quality coefficient value, and the humidity and coefficient mapping relationship may be adjusted according to the type of solution and the type of humidity change amount.
In some embodiments of the present invention, a target mass variation corresponding to the target humidity variation may also be obtained according to the solution type and the outdoor temperature, specifically, a preset mapping relationship between humidity and a coefficient corresponding to the solution type is determined according to the solution type, and the mapping relationship between the preset humidity and the coefficient is queried according to the outdoor temperature to obtain a mass coefficient as the target mass coefficient corresponding to the target humidity variation, for example, as shown in table two, which is another schematic of the preset mapping relationship between humidity and a coefficient provided in the embodiments of the present invention, in the shown mapping relationship between the preset humidity and a coefficient, when the solution is a sodium chloride solution and the outdoor temperature is greater than or equal to 25 ℃ and less than 30 ℃, the corresponding mass coefficient is a; when the solution is a lithium bromide solution and the outdoor temperature is more than or equal to 25 ℃ and less than 30 ℃, the corresponding mass coefficient is B; when the solution is lithium chloride solution and the outdoor temperature is more than or equal to 25 ℃ and less than 30 ℃, the corresponding mass coefficient is C; when the solution is calcium chloride solution and the outdoor temperature is more than or equal to 25 ℃ and less than 30 ℃, the corresponding mass coefficient is D.
TABLE II mapping relationship between humidity and coefficient
It should be noted that A, B, C and D shown in table two are real numbers greater than or equal to 0, a1, a2, a3, b1, b2, b3, c1, c2, c3, D1, D2 and D3 are real numbers, the type, temperature range and mass coefficient of the solution shown in table two are merely exemplary, and the type, temperature range and mass coefficient of the solution are not limited in the embodiment of the present invention.
And 502, calculating the target change mass of the solution according to the target mass coefficient and the target humidity change quantity.
In some embodiments of the invention, the target change mass of the solution may be obtained by a target mass coefficient versus a target humidity change amount. And the target change quality of the solution can be obtained through the target humidity change quantity ^ target quality coefficient.
According to the embodiment of the invention, the target change quality of the solution corresponding to the target humidity change quantity is obtained through the preset mapping relation between the humidity and the coefficient, the convenience of the acquisition mode of the target change quality of the solution is improved, the target quality coefficient can be obtained according to different outdoor temperatures, target humidity change quantities and solution types, the target change quality of the solution is obtained through the target quality coefficient, and the flexibility and the universality of the acquisition mode of the target change quality of the solution are improved.
In some embodiments of the present invention, the target change mass of the solution corresponding to the target humidity change amount may also be obtained through a humidity and mass fitting model, where the humidity and mass fitting model may be a data fitting model and may be established through experimental tests; specifically, the solution type is obtained, a preset humidity and quality fitting model corresponding to the solution type is obtained through the solution type, and the target change quality of the solution corresponding to the target humidity change quantity is obtained through the preset humidity and quality fitting model according to the target humidity change quantity.
And step 402, controlling a fresh air motor in the air conditioner to introduce outdoor fresh air, and fusing the fresh air and the solution.
Fusion refers to the contact of fresh air with the solution.
In some embodiments of the present invention, the second fresh air valve R2 is closed, the first fresh air valve R1 is opened, and the fresh air motor 104 in the air conditioner is controlled to operate at the first preset rotation speed for a preset time period, so as to introduce the outdoor fresh air into the solution module 103.
In some embodiments of the present invention, the second fresh air valve R2 is closed, the rotation speed of the fresh air motor 104 is adjusted to a second preset rotation speed, and the fresh air in the solution module 103 is agitated by the fresh air motor 104, so that the fresh air contacts the solution.
And 403, controlling the solution to separate out water vapor into the fresh air according to the target change quality, or controlling the solution to absorb the water vapor in the fresh air.
In some embodiments of the present invention, an initial mass of the solution may be obtained, a current mass of the solution is detected during a fresh air humidity adjustment process, and a mass change condition of the solution is obtained through the initial mass and the current mass, where the initial mass is a mass of the solution when the fresh air mode is started, and the current mass is a mass of the solution collected according to a preset time interval during a contact process between the fresh air and the solution, and in some embodiments of the present invention, the preset time interval may be any one of 0.1ms, 1ms, 0.1s, 1s, and 10 s. Specifically, as shown in fig. 6, fig. 6 is a schematic flow chart of an embodiment of solution quality detection in a fresh air humidity control method provided by an embodiment of the present invention, where the solution quality detection method includes steps 601 to 603:
In some embodiments of the present invention, adjusting the humidity of the fresh air by absorbing or desorbing water vapor from the solution according to the target change quality comprises: determining a humidity adjusting mode of the fresh air according to the target variable quantity, absorbing or separating out water vapor according to the humidity adjusting mode of the fresh air, and adjusting the humidity of the fresh air; specifically, the method comprises the steps of a 1-a 3:
step a1, judging whether the target change quality is larger than 0, and determining the humidity adjusting mode of the fresh air. Judging whether the target change quality is greater than 0; if the target change mass is larger than 0, indicating that the water vapor in the fresh air needs to be absorbed through the solution, and increasing the mass of the solution, judging that the humidity adjusting mode of the fresh air is dehumidification; if the target change mass is less than 0, indicating that the water in the solution needs to be separated out, reducing the mass of the solution, and increasing the mass of the water vapor in the fresh air, judging that the humidity adjusting mode of the fresh air is humidification; if the target change quality is equal to 0, which indicates that the humidity of the fresh air is not adjusted, the first fresh air valve R1 and the second fresh air valve R2 are opened, and the outdoor fresh air is introduced into the room.
Step a2, if the humidity adjusting mode of the fresh air is humidification, the temperature of the solution is increased to separate out the moisture in the solution, and the fresh air is humidified. Wherein, through improving the moisture in the solution temperature precipitation solution, can heat solution through opening the electric heat module, improve the temperature of solution, precipitate moisture in the solution.
Step a3, if the humidity adjusting mode of the fresh air is dehumidification, absorbing the water vapor in the fresh air through the solution to dehumidify the fresh air.
In some embodiments of the invention, the current quality of the solution in the fresh air humidity adjusting process can be collected through a sensor, the initial quality is subtracted from the current quality to obtain the actual change quality of the solution, the actual change quality of the solution is compared with the target change quality, if the actual change quality of the solution is smaller than the target change quality, the actual change quality of the solution is judged not to reach the target change quality, and if the actual change quality of the solution is larger than or equal to the target change quality, the actual change quality of the solution is judged to reach the target change quality. Wherein the sensor 106 may be a pressure sensor or a weight sensor.
In some embodiments of the present invention, the actual changing quality of the solution may be monitored in real time by detecting the current quality of the solution in real time.
And 603, if the actual change quality reaches the target change quality, transmitting the fresh air with the humidity adjusted to the indoor.
In some embodiments of the present invention, when the actual variation quality reaches the target variation quality, which indicates that the humidity of the fresh air reaches the target humidity, the humidity adjustment in the fresh air is completed, and the second fresh air valve R2 is opened, so as to adjust the rotation speed of the fresh air motor 104 to the first preset rotation speed, and transfer the humidity-adjusted fresh air to the room.
In some embodiments of the invention, when the actual change quality does not reach the target change quality, which indicates that the fresh air humidity does not meet the target humidity, the solution continues to absorb or separate out water vapor to adjust the fresh air humidity.
In some embodiments of the present invention, in order to reduce the time for humidifying the fresh air, when the actual change quality does not reach the target change quality, the rotation speed of the fresh air motor 104 is reduced, the contact time between the fresh air and the solution is increased for a long time, the temperature of the solution is raised, the separation of vapor in the solution is accelerated, and the time for humidifying the fresh air is reduced.
According to the embodiment of the invention, the target change quality of the solution is determined according to the target humidity change quantity, the humidity quantity of the fresh air needing to be adjusted is converted into the quality needing to be increased or decreased in the solution, the monitoring difficulty of the humidity change quantity of the fresh air is reduced, and the humidity adjustment and monitoring of the fresh air are facilitated; in the process of adjusting the humidity of the fresh air through the solution, the actual change quality of the solution is detected in real time, and the humidity change condition of the fresh air is monitored in real time.
In some embodiments of the present invention, during the process of adjusting the humidity of the fresh air through the solution, the change condition of the humidity of the fresh air can be obtained by monitoring the pressure change of the solution, specifically, as shown in the drawing, fig. 7 is a schematic flow diagram of another embodiment of adjusting the fresh air humidity in the fresh air humidity control method provided in an embodiment of the present invention, where the illustrated fresh air humidity adjustment method includes steps 701 to 705:
and 701, determining a target pressure difference value of the solution according to the target humidity variation.
The pressure difference is used for quantifying the pressure change of the solution caused by absorbing or separating out water vapor in the process of adjusting the humidity of fresh air.
In some embodiments of the present invention, the target pressure difference of the solution corresponding to the target humidity variation may be obtained according to a preset humidity-pressure mapping relationship, where the preset humidity-pressure mapping relationship may be a data table, such as a humidity-pressure mapping table, and the preset humidity-pressure mapping relationship may also be a data model, such as a preset humidity-pressure data fitting model. Illustratively, when the preset mapping relationship between humidity and pressure is a humidity and pressure mapping table, the preset humidity and pressure mapping table corresponding to the type of the solution is obtained, and according to the target humidity variation, the target pressure difference value of the solution corresponding to the target humidity variation is obtained through the preset humidity and pressure mapping table. And when the preset mapping relation between the humidity and the pressure is a preset data fitting model between the humidity and the pressure, inputting the target humidity variable quantity into the preset data fitting model between the humidity and the pressure, and obtaining a target pressure difference value of the solution corresponding to the target humidity variable quantity through data fitting.
In some embodiments of the present invention, a target pressure coefficient corresponding to the target humidity variation may be determined according to the target humidity variation, and a target pressure difference of the solution may be calculated according to the target pressure coefficient and the target humidity variation. The pressure coefficient is similar to the mass coefficient and used for establishing a transformation coefficient between the humidity variation and the pressure difference, and the solution pressure difference corresponding to the humidity variation can be solved through the pressure coefficient. In some embodiments of the invention, the pressure coefficient may be tested by an earlier stage experiment to obtain a transformation coefficient between the humidity variation and the pressure difference of the fresh air.
In some embodiments of the present invention, a target pressure coefficient corresponding to the target humidity variation is determined according to the target humidity variation, and a target pressure difference of the solution is calculated according to the target pressure coefficient and the target humidity variation, which is similar to the method for obtaining the target variation quality of the solution according to the target humidity variation in step 401 and is not described here again.
At step 702, an initial pressure of the solution is obtained.
The initial pressure is the initial pressure of the solution when the fresh air mode is started and the humidity of the solution is not adjusted.
In some embodiments of the present invention, the initial pressure of the solution may be collected by a pressure sensor at the bottom of the solution module 103, when a fresh air mode opening instruction is received, the pressure of the solution at this time is collected by the pressure sensor as the initial pressure, after the initial pressure is obtained, the fresh air motor 104 is started, the second fresh air valve R2 is closed, the first fresh air valve R1 is opened, the outdoor fresh air is introduced into the solution module 103, the fresh air motor 104 is controlled to operate at the first preset rotation speed for a preset time, and when the operation time of the fresh air motor 104 reaches the preset time, the first fresh air valve R1 is closed.
And 703, controlling a fresh air motor in the air conditioner to fuse fresh air and the solution, and controlling the solution to separate out water vapor into the fresh air or to absorb the water vapor in the fresh air.
In some embodiments of the present invention, the method for controlling the fresh air motor in the air conditioner to fuse the fresh air and the solution is similar to the method for controlling the fresh air motor in the air conditioner to introduce the outdoor fresh air in step 402, and the method is not described herein again.
And 704, detecting the current pressure of the solution, and obtaining the pressure difference of the solution according to the initial pressure and the current pressure.
The current pressure is the solution pressure collected in the process of contacting the fresh air with the solution. In some embodiments of the present invention, the current pressure of the solution may be collected in real time by a pressure sensor at the bottom of the solution module 103.
In some embodiments of the invention, the pressure difference of the solution is obtained by subtracting the current pressure from the initial pressure, and is compared with the target pressure difference, if the pressure difference is greater than or equal to the target pressure difference, which indicates that the water vapor absorbed or precipitated in the solution meets the target humidity variation requirement of the fresh air, the pressure difference is judged to reach the target pressure difference; if the pressure difference is smaller than the target pressure difference, the fact that the water vapor absorbed or precipitated in the solution does not reach the target humidity variation requirement of the fresh air is indicated, and then the fact that the pressure difference does not reach the target pressure difference is judged.
In some embodiments of the present invention, if the pressure difference reaches the target pressure difference, the humidity adjustment in the fresh air is completed, the second fresh air valve R2 is opened, the rotation speed of the fresh air motor 104 is adjusted to a second preset rotation speed, and the humidity-adjusted fresh air is delivered to the room through the fresh air motor 104.
In the fresh air humidity adjusting process, the pressure difference of the solution is detected to obtain the amount of water vapor separated out or absorbed in the solution, so that the humidity variation of the fresh air is determined, the monitoring difficulty of the humidity variation of the fresh air is reduced, and the humidity adjusting and monitoring of the fresh air are facilitated.
In some embodiments of the present invention, in order to further reduce energy consumption of fresh air in a humidity adjustment process and achieve recycling of a solution, after the humidity adjustment is completed, an amount of the solution is detected, and whether to regenerate the solution is determined, where regenerating the solution refers to analyzing water out of the solution with saturated water and reducing water in the solution, and after the fresh air is dehumidified by absorbing water vapor in the fresh air, the amount of water in the solution reaches a maximum amount, so that the solution cannot continuously absorb water vapor in the fresh air. As shown in fig. 8, fig. 8 is a schematic flow chart of an embodiment of solution regeneration in a fresh air humidity control method provided by an embodiment of the present invention, and the solution regeneration method includes steps 801 to 803:
It is understood that the mass of the solution is collected, and whether the solution is regenerated or not is determined through the mass of the solution; collecting the pressure of the solution, and determining whether to regenerate the solution according to the pressure of the solution; the concentration of the solution is collected, and whether the solution is regenerated or not is determined by the concentration of the solution.
And step 802, judging whether the amount of the solution reaches a preset amount threshold value, and determining whether the solution is regenerated.
The preset quantity threshold value refers to the mass of the corresponding solution, the concentration of the solution or the pressure of the solution when the water content in the solution reaches the maximum value.
In some embodiments of the present invention, determining whether the amount of the solution reaches a preset amount threshold to determine whether the solution is regenerated includes: if the amount of the solution reaches a preset amount threshold value, regenerating the solution; and if the amount of the solution does not reach a preset amount threshold value, continuously adjusting the humidity of the fresh air. In some embodiments of the present invention, the amount of the solution is compared with a preset amount threshold, and if the amount of the solution is greater than or equal to the preset amount threshold, indicating that the moisture in the solution reaches the maximum amount, the amount of the solution is determined to reach the preset amount threshold; and if the amount of the solution is smaller than the preset amount threshold value, which indicates that the water in the solution does not reach the maximum amount, judging that the amount of the solution does not reach the preset amount threshold value. For example, when the amount of the solution is the pressure of the solution, the preset amount threshold is a preset pressure threshold, the pressure of the solution is compared with the preset pressure threshold, if the pressure of the solution is greater than or equal to the preset pressure threshold, it is determined that the amount of the solution reaches the preset amount threshold, and if the pressure of the solution is less than the preset pressure threshold, it is determined that the amount of the solution does not reach the preset amount threshold. For example, when the amount of the solution is the mass of the solution, the preset amount threshold is a preset mass threshold, the mass of the solution is compared with the preset mass threshold, if the mass of the solution is greater than or equal to the preset mass threshold, it is determined that the amount of the solution reaches the preset amount threshold, and if the mass of the solution is less than the preset mass threshold, it is determined that the amount of the solution does not reach the preset amount threshold. In some embodiments of the present invention, the amount of the solution is compared with a preset amount threshold, and if the amount of the solution is less than or equal to the preset amount threshold, indicating that the moisture in the solution reaches the maximum amount, the amount of the solution is determined to reach the preset amount threshold; if the amount of the solution is greater than the preset amount threshold, which indicates that the moisture in the solution does not reach the maximum amount, determining that the amount of the solution does not reach the preset amount threshold, for example, when the amount of the solution is the concentration of the solution, the preset amount threshold is a preset concentration threshold, comparing the concentration of the solution with a preset mass concentration, if the concentration of the solution is less than or equal to the preset concentration threshold, determining that the amount of the solution reaches the preset amount threshold, and if the solubility of the solution is less than the preset concentration threshold, determining that the amount of the solution does not reach the preset amount threshold.
In step 803, if the solution is regenerated, the amount of the solution is decreased by increasing the temperature of the solution.
In some embodiments of the present invention, if the solution is to be regenerated, the second fresh air valve R2 is closed, the first fresh air valve R1 is opened, the temperature of the solution is raised by opening the electric heating film block 107, moisture in the solution is separated out, the air in the solution module 103 absorbs part of the moisture, the fresh air motor 104 is controlled to rotate in the reverse direction at the preset first rotation speed, and the air after moisture absorption is discharged to the outside.
In some embodiments of the present invention, the current amount of the solution is detected, whether the current amount of the solution is less than or equal to the initial amount of the solution is determined, if the current amount of the solution is less than or equal to the initial amount of the solution, the regeneration of the solution is completed, if the current amount of the solution is greater than the initial amount of the solution, the regeneration of the solution is not completed, and the water in the solution is continuously separated out to regenerate the solution. Wherein the current amount of the solution refers to a current mass of the solution or a current pressure of the solution, and the initial amount of the solution refers to an initial mass of the solution or an initial pressure of the solution.
According to the embodiment of the invention, after the solution is dehumidified, the amount of the solution is detected, whether the solution is regenerated or not is judged, and the water in the solution is separated out by raising the temperature of the solution, so that the solution is recycled, and the environment-friendly and energy-saving effects are achieved.
In some embodiments of the present invention, in order to improve the accuracy of humidity adjustment of fresh air and improve the comfort of a user, in step 102, a moisture content of the fresh air is obtained through an outdoor temperature and an outdoor humidity, and a target humidity variation of the fresh air is calculated through the moisture content, specifically, as shown in fig. 9, fig. 9 is a schematic flow chart of an embodiment of determining the target humidity variation in the fresh air humidity control method provided in the embodiment of the present invention, where the method for determining the target humidity variation includes steps 901 to 902:
The preset moisture content is an optimum moisture content corresponding to the outdoor temperature, and the actual moisture content is an actual moisture content corresponding to the outdoor humidity.
In some embodiments of the present invention, a target humidity corresponding to an outdoor temperature may be obtained, and a preset moisture content is obtained through calculation according to the target humidity, specifically as shown in fig. 10, fig. 10 is a schematic flow diagram of an embodiment of obtaining a moisture content in a fresh air humidity control method provided in an embodiment of the present invention, where the moisture content obtaining method includes steps 1001 to 1003:
The partial water vapor saturation pressure refers to the partial water vapor pressure at which the water vapor content of the air at the outdoor temperature reaches saturation, wherein the partial water vapor pressure is the pressure formed by the water vapor in the humid air. In some embodiments of the present invention, the partial saturation pressure of the water vapor corresponding to the outdoor temperature may be obtained by a preset partial saturation pressure gauge, for example, as shown in table three, which is an illustration of the preset partial saturation pressure gauge provided in the embodiments of the present invention, when the outdoor temperature is 30 ℃, the partial saturation pressure of the water vapor is 4295.03Pa, when the outdoor temperature is 20 ℃, the partial saturation pressure of the water vapor is 2334.6Pa, and when the outdoor temperature is 25 ℃, the partial saturation pressure of the water vapor is 3168.4 Pa.
Saturated vapor pressure gauge with three preset gauges
It should be noted that the outdoor temperature and the water vapor saturation partial pressure shown in table three are only exemplary illustrations, and the numerical values of the outdoor temperature and the water vapor saturation partial pressure are not limited in the embodiment of the present invention.
The preset atmospheric pressure threshold is atmospheric pressure corresponding to the altitude of the environment where the air conditioner is located.
In some embodiments of the present invention, the preset moisture content may be calculated according to the target humidity, the water vapor saturation partial pressure and the preset atmospheric pressure threshold value through a preset moisture content calculation model, and in some embodiments of the present invention, the preset moisture content calculation model may be 622 ((target humidity × water vapor saturation partial pressure)/(preset atmospheric pressure threshold value — target humidity × water vapor saturation partial pressure)).
And 1003, calculating to obtain the actual moisture content according to the outdoor humidity, the water vapor saturation partial pressure and a preset atmospheric pressure threshold value.
In some embodiments of the present invention, similar to step 1002, the actual moisture content is calculated according to the outdoor humidity, the water vapor saturation partial pressure and the preset atmospheric pressure threshold value through a preset moisture content calculation model.
And step 902, calculating a difference value between the preset moisture content and the actual moisture content, and taking the difference value as the target humidity variation of the fresh air.
According to the embodiment of the invention, the preset moisture content and the actual moisture content are obtained through the outdoor temperature and the outdoor humidity, the target humidity variation of the fresh air is obtained through the difference between the preset moisture content and the actual moisture content, the target humidity variation is obtained through calculation between the fresh air humidity adjustment, the accuracy of the fresh air humidity adjustment is improved, the preset moisture content is obtained through the target humidity and the outdoor temperature, the fresh air humidity is adjusted to the optimum humidity of the fresh air as far as possible, and the comfort level of a user is improved.
In some embodiments of the present invention, a preset target humidity may also be obtained, a preset moisture content corresponding to the target humidity is obtained according to an outdoor temperature, and an actual moisture content corresponding to the outdoor humidity is obtained according to the outdoor temperature, specifically, the method includes steps b1 to b 3:
and b1, acquiring the preset target humidity.
Step b2, inquiring the mapping relation between the preset moisture content and the temperature according to the outdoor temperature to obtain the preset moisture content corresponding to the target humidity.
Step b3, inquiring the mapping relation between the preset moisture content and the temperature according to the outdoor temperature to obtain the actual moisture content corresponding to the outdoor humidity.
The mapping relationship between the preset moisture content and the temperature is used to indicate that the air humidity is the same, and the corresponding relationship between the temperature and the moisture content is, for example, as shown in table four, table four is one schematic of the mapping relationship between the preset moisture content and the temperature provided by the embodiment of the present invention, where RH0 represents the target humidity, RH1, RH2, RH3 and RH4 represent four different outdoor humidities, respectively, and T1 and T2 represent two different outdoor temperatures, respectively.
TABLE IV mapping relationship between moisture content and temperature
It should be noted that the temperature, the relative humidity and the moisture content shown in table four are only exemplary illustrations, and the numerical values and the corresponding relationships of the temperature, the relative humidity and the moisture content are not limited in the embodiment of the present invention.
According to the embodiment of the invention, the preset moisture content and the actual moisture content are obtained through the mapping relation between the preset moisture content and the temperature, the convenience of the method for obtaining the preset moisture content and the actual moisture content is improved, the complexity of the method for determining the target humidity variation of the fresh air is reduced, and the efficiency of controlling the humidity of the fresh air is improved.
In some embodiments of the present invention, for better illustration, in the fresh air humidity control method provided in the embodiments of the present invention, an application scenario of the fresh air humidity control method is provided by taking an example in which outdoor humidity is relative humidity and a solution type is a sodium chloride solution, as shown in fig. 11, fig. 11 is an application scenario schematic of the fresh air humidity control method provided in the embodiments of the present invention, and in the application scenario shown, the fresh air humidity control method includes steps c1 to c 10:
step c1, presetting a target humidity, and presetting a moisture content. And writing the indoor optimum relative humidity RH0 as a target humidity and a preset mapping relationship of the moisture content and the temperature into the air conditioner, wherein the preset mapping relationship of the moisture content and the temperature is that the corresponding moisture content d of each relative humidity in different outdoor temperatures T is written into the air conditioner.
Step c2, outdoor temperature T1 and ambient relative humidity RH1 are obtained.
And c3, obtaining the preset moisture content d0 and the actual moisture content d1 according to T1, RH1 and RH 2. And acquiring preset moisture content d0 corresponding to T1 and RH0 and acquiring actual moisture content d1 corresponding to T1 and RH1 through a mapping relation between the preset moisture content and the temperature.
And c4, comparing the preset moisture content d0 with the actual moisture content d1, and determining to humidify or dehumidify the fresh air.
And c5, if d 1> d0, performing dehumidification operation. The first fresh air valve R1 is opened, and the second fresh air valve R2 is closed; after the fresh air motor 104 operates for a preset time t0 according to a preset rotating speed R1, closing a first fresh air valve R1 and a second fresh air valve R2, adjusting the rotating speed of the fresh air motor 104 to R2, and stirring air through the fresh air motor 104 to enable fresh air to be in full contact with a sodium chloride solution for dehumidification; the pressure difference delta P of the solution is detected through the pressure sensor at the bottom of the solution, the dehumidification amount of the sodium chloride solution is obtained, and when the pressure difference delta P reaches the target pressure difference P0, the second fresh air valve R2 is opened to transmit fresh air indoors.
And c6, if d1 is less than d0, performing humidification operation. And c5, opening an electric heating module in the sodium chloride solution to separate out water in the sodium chloride solution for humidifying fresh air.
And step c7, after finishing the fresh air humidity control of one period, detecting whether the value P of the current pressure sensor reaches a set value Pmax.
And c8, if P is less than Pmax, continuing to judge the moisture content.
Step c9, if P is equal to or greater than Pmax, then solution regeneration is performed. When P is equal to or greater than Pmax, which indicates that the sodium chloride solution does not have the dehumidification capacity and needs to be regenerated, the electric heating module is started to reversely rotate the fresh air motor 104, so that the regeneration of the sodium chloride solution is accelerated.
Step c10, after regeneration of the solution, the moisture content determination is carried out again.
The embodiment of the invention realizes dehumidification and humidification control through the sodium chloride solution. Through the outdoor relative humidity of networking detection, utilize indoor suitable relative humidity to calculate the quality that obtains needs dehumidification or humidification moisture, after satisfying the humidity requirement, the new trend after will handling is introduced indoorly, promotes indoor comfort level. The air dehumidifying and humidifying treatment can be realized without depending on an air conditioning system, and the adaptability is wider.
In order to better implement the fresh air humidity control method provided by the embodiment of the present invention, on the basis of the fresh air humidity control method, a fresh air humidity control device is provided, as shown in fig. 12, fig. 12 is a schematic structural view of an embodiment of the fresh air humidity control device provided by the embodiment of the present invention, and the fresh air humidity control device shown includes:
an obtaining module 1201, configured to obtain an outdoor temperature, an outdoor humidity, and a target humidity;
a humidity determination module 1202, configured to determine a target humidity variation of the fresh air according to the target humidity, the outdoor temperature, and the outdoor humidity;
and the control module 1203 is configured to control the solution to separate out water vapor into the fresh air according to the target humidity variation, or the solution absorbs the water vapor in the fresh air.
In some embodiments of the present invention, the control module 1203 includes:
the quality determining unit is used for acquiring the target change quality of the solution corresponding to the target humidity change quantity;
the quality detection unit is used for controlling a fresh air motor in the air conditioner to introduce outdoor fresh air and fusing the fresh air with the solution;
and the control unit is used for controlling the solution to separate out water vapor into the fresh air according to the target change quality or controlling the solution to absorb the water vapor in the fresh air.
In some embodiments of the present invention, the quality determining unit is further configured to obtain a target quality coefficient corresponding to the target humidity change amount through a preset mapping relationship between humidity and a coefficient; and calculating the target change mass of the solution according to the target mass coefficient and the target humidity change quantity.
In some embodiments of the present invention, the control unit is further configured to adjust the humidity of the fresh air by absorbing or separating out water vapor through the solution according to the target change quality; obtaining the current quality of the solution and the initial quality of the solution, and obtaining the actual change quality of the solution according to the current quality and the initial quality; and if the actual change quality reaches the target change quality, transmitting the fresh air with the humidity adjusted to the indoor.
In some embodiments of the present invention, the humidity determination module 1202 includes:
the moisture content unit is used for determining a preset moisture content according to the target humidity and the outdoor temperature and calculating an actual moisture content according to the outdoor humidity;
and the calculating unit is used for calculating the difference between the preset moisture content and the actual moisture content and taking the difference as the target humidity variation of the fresh air.
In some embodiments of the present invention, the moisture content unit is further configured to obtain a water vapor saturation partial pressure corresponding to an outdoor temperature, and obtain a preset atmospheric pressure threshold; calculating to obtain a preset moisture content according to the target humidity, the water vapor saturation partial pressure and a preset atmospheric pressure threshold; and calculating to obtain the actual moisture content according to the outdoor humidity, the water vapor saturation partial pressure and the preset atmospheric pressure threshold.
In some embodiments of the present invention, the control module 1203 further includes:
the detection unit is used for collecting at least one quantity of the mass, the concentration and the pressure of the solution;
the judging unit is used for judging whether the amount of the solution is larger than a preset amount threshold value or not and determining whether the solution is regenerated or not;
and the control unit is used for reducing the amount of the solution by increasing the temperature of the solution if the solution is subjected to solution regeneration.
In some embodiments of the present invention, the control module 1203 further includes:
the pressure determining unit is used for determining a target pressure difference value of the solution according to the target humidity variation;
the pressure obtaining unit is used for obtaining the initial pressure of the solution;
the control unit is used for controlling a fresh air motor in the air conditioner to fuse fresh air and solution, and controlling the solution to separate out water vapor into the fresh air or absorb the water vapor in the fresh air;
the pressure detection unit is used for detecting the current pressure of the solution;
the pressure difference calculation unit is used for obtaining the pressure difference of the solution according to the initial pressure and the current pressure;
and the fresh air control unit is used for transmitting the fresh air with the humidity adjusted to the indoor space if the pressure difference reaches the target pressure difference.
In some embodiments of the present invention, the pressure determining unit is further configured to obtain a preset pressure coefficient; and calculating the product of the target humidity variable quantity and the pressure coefficient to obtain a target pressure difference value of the solution corresponding to the target humidity variable quantity.
In some embodiments of the present invention, the control unit is further configured to control a rotation speed of a fresh air motor in the air conditioner, and fuse fresh air with any one of a lithium bromide solution, a lithium chloride solution, a calcium chloride solution, and a sodium chloride solution; and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air.
According to the embodiment of the invention, the outdoor temperature, the outdoor humidity and the target humidity are obtained, the target humidity variation of the fresh air is determined according to the target humidity, the outdoor temperature and the outdoor humidity, the humidity amount to be regulated is determined according to the temperature and the humidity of the environment, the humidity regulation accuracy is improved, the comfort level is increased, and the user experience is improved; according to the target humidity change amount, the solution is controlled to separate out water vapor into fresh air or absorb the water vapor in the fresh air, the solution is utilized for humidity control, condensation dehumidification is not carried out by an air conditioning system, the independent dehumidification and humidification functions are realized, and the energy consumption is reduced.
An embodiment of the present invention further provides an air conditioner, as shown in fig. 13, which shows a schematic structural diagram of the air conditioner according to the embodiment of the present invention, specifically:
the air conditioner may include components such as a processor 1301 of one or more processing cores, a memory 1302 of one or more computer-readable storage media, a power supply 1303, and an input unit 1304. Those skilled in the art will appreciate that the air conditioner configuration shown in fig. 13 is not intended to be limiting and may include more or fewer components than shown, or some components in combination, or a different arrangement of components. Wherein:
the processor 1301 is a control center of the air conditioner, connects various parts of the entire air conditioner using various interfaces and lines, and performs various functions of the air conditioner and processes data by operating or executing software programs and/or modules stored in the memory 1302 and calling data stored in the memory 1302, thereby performing overall monitoring of the air conditioner. Optionally, processor 1301 may include one or more processing cores; preferably, the processor 1301 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It is to be appreciated that the modem processor described above may not be integrated into processor 1301.
The memory 1302 may be used to store software programs and modules, and the processor 1301 may execute various functional applications and data processing by operating the software programs and modules stored in the memory 1302. The memory 1302 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data created according to the use of the air conditioner, and the like. Further, the memory 1302 may include high speed random access memory and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, memory 1302 may also include a memory controller to provide processor 1301 access to memory 1302.
The air conditioner further comprises a power supply 1303 for supplying power to each component, and preferably, the power supply 1303 may be logically connected to the processor 1301 through a power management system, so that functions of managing charging, discharging, power consumption, and the like are realized through the power management system. The power supply 1303 may also include one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and any other components.
The air conditioner may further include an input unit 1304, and the input unit 1304 may be used to receive input numeric or character information and generate a keyboard, mouse, joystick, optical or trackball signal input in relation to user settings and function control.
Although not shown, the air conditioner may further include a display unit and the like, which will not be described in detail herein. Specifically, in this embodiment, the processor 1301 in the air conditioner loads an executable file corresponding to a process of one or more application programs into the memory 1302 according to the following instructions, and the processor 1301 runs the application programs stored in the memory 1302, so as to implement various functions as follows:
acquiring outdoor temperature, outdoor humidity and target humidity;
determining the target humidity variation of the fresh air according to the target humidity, the outdoor temperature and the outdoor humidity;
and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air according to the target humidity change amount.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, the present invention provides a storage medium, in which a plurality of instructions are stored, where the instructions can be loaded by a processor to execute the steps in any one of the methods for transferring a virtual resource provided by the embodiments of the present invention. For example, the instructions may perform the steps of:
acquiring outdoor temperature, outdoor humidity and target humidity;
determining the target humidity variation of the fresh air according to the target humidity, the outdoor temperature and the outdoor humidity;
and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air according to the target humidity change amount.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium can execute the steps in any fresh air humidity control method provided by the embodiment of the present invention, the beneficial effects that can be achieved by any fresh air humidity control method provided by the embodiment of the present invention can be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
The method, the device, the air conditioner and the storage medium for controlling the humidity of the fresh air provided by the embodiment of the invention are described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (13)
1. A fresh air humidity control method is characterized by comprising the following steps:
acquiring outdoor temperature, outdoor humidity and target humidity;
determining the target humidity variation of the fresh air according to the target humidity, the outdoor temperature and the outdoor humidity;
and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air according to the target humidity change amount.
2. The fresh air humidity control method according to claim 1, wherein the controlling, according to the target humidity change amount, whether the solution separates out water vapor into the fresh air or the solution absorbs water vapor in the fresh air comprises:
acquiring target change quality of the solution corresponding to the target humidity change quantity;
controlling a fresh air motor in an air conditioner to introduce outdoor fresh air, and fusing the fresh air and the solution;
and controlling the solution to separate out water vapor into fresh air according to the target change quality, or controlling the solution to absorb the water vapor in the fresh air.
3. The fresh air humidity control method according to claim 2, wherein the obtaining of the target change quality of the solution corresponding to the target humidity change amount includes:
obtaining a target quality coefficient corresponding to the target humidity variation through a preset mapping relation between humidity and a coefficient;
and calculating the target change mass of the solution according to the target mass coefficient and the target humidity change quantity.
4. The method for controlling fresh air humidity according to claim 2, wherein the controlling the solution to release water vapor into fresh air or the controlling the solution to absorb water vapor in fresh air according to the target change quality comprises:
according to the target change mass, water vapor is absorbed or separated out through the solution, and the humidity of the fresh air is adjusted;
obtaining the current quality of the solution and the initial quality of the solution, and obtaining the actual change quality of the solution according to the current quality and the initial quality;
and if the actual change quality reaches the target change quality, transmitting the fresh air with the humidity adjusted to the indoor.
5. The method as claimed in claim 1, wherein said determining a target humidity variation of the fresh air according to the target humidity, the outdoor temperature and the outdoor humidity comprises:
determining a preset moisture content according to the target humidity and the outdoor temperature, and calculating an actual moisture content according to the outdoor humidity;
and calculating a difference value between the preset moisture content and the actual moisture content, and taking the difference value as the target humidity variation of the fresh air.
6. The fresh air humidity control method according to claim 5, wherein the determining of the preset moisture content according to the target humidity and the outdoor temperature, and the calculating of the actual moisture content according to the outdoor humidity comprises:
acquiring the water vapor saturation partial pressure corresponding to the outdoor temperature, and acquiring a preset atmospheric pressure threshold;
calculating to obtain a preset moisture content according to the target humidity, the water vapor saturation partial pressure and the preset atmospheric pressure threshold;
and calculating to obtain the actual moisture content according to the outdoor humidity, the water vapor saturation partial pressure and the preset atmospheric pressure threshold.
7. The fresh air humidity control method according to any one of claims 1 to 6, wherein the method comprises, after controlling the solution to release water vapor into the fresh air or absorb water vapor from the fresh air according to the target humidity change amount:
collecting at least one quantity of the mass, the concentration and the pressure of the solution;
judging whether the amount of the solution is larger than a preset amount threshold value or not, and determining whether the solution is regenerated or not;
if the solution is subjected to solution regeneration, the amount of the solution is reduced by increasing the temperature of the solution.
8. The fresh air humidity control method according to any one of claims 1 to 6, wherein the controlling the solution to separate out water vapor into the fresh air or the solution to absorb water vapor in the fresh air according to the target humidity change amount comprises:
determining a target pressure difference value of the solution according to the target humidity variation;
obtaining an initial pressure of the solution;
controlling a fresh air motor in the air conditioner to fuse fresh air and the solution, and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air;
detecting the current pressure of the solution, and obtaining the pressure difference of the solution according to the initial pressure and the current pressure;
and if the pressure difference reaches the target pressure difference, transferring the fresh air with the humidity adjusted to the indoor.
9. The fresh air humidity control method as claimed in claim 8, wherein the determining the target pressure difference of the solution according to the target humidity variation includes:
acquiring a preset pressure coefficient;
and calculating the product of the target humidity variable quantity and the pressure coefficient to obtain a target pressure difference value of the solution corresponding to the target humidity variable quantity.
10. The fresh air humidity control method according to claim 8, wherein the fresh air motor in the air conditioner is controlled to fuse fresh air with the solution, and the solution is controlled to separate out water vapor into the fresh air or absorb water vapor in the fresh air:
controlling the rotating speed of a fresh air motor in the air conditioner, and fusing fresh air with any one of a lithium bromide solution, a lithium chloride solution, a calcium chloride solution and a sodium chloride solution;
and controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air.
11. The utility model provides a new trend humidity control device which characterized in that, new trend humidity control device includes:
the acquisition module is used for acquiring outdoor temperature, outdoor humidity and target humidity;
the humidity determining module is used for determining the target humidity variation of the fresh air according to the target humidity, the outdoor temperature and the outdoor humidity;
and the control module is used for controlling the solution to separate out water vapor into the fresh air or absorbing the water vapor in the fresh air according to the target humidity change amount.
12. The air conditioner is characterized in that the fresh air humidity control comprises a storage and a processor; the memory stores an application program, and the processor is configured to execute the application program in the memory to perform the operations of the fresh air humidity control method according to any one of claims 1 to 10.
13. A storage medium having stored thereon instructions adapted to be loaded by a processor to perform the steps of the fresh air humidity control method of any one of claims 1 to 10.
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