CN110878984B - Air conditioner control method and device - Google Patents

Air conditioner control method and device Download PDF

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CN110878984B
CN110878984B CN201911211074.9A CN201911211074A CN110878984B CN 110878984 B CN110878984 B CN 110878984B CN 201911211074 A CN201911211074 A CN 201911211074A CN 110878984 B CN110878984 B CN 110878984B
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air
current
dehumidification
temperature value
room
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CN110878984A (en
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周鹏飞
赵凌云
郭芸俊
李莎
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Nanjing Jinghua Intelligent Technology Co ltd
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Nanjing Jinghua Intelligent Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/50—Load

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

Abstract

The invention discloses an air conditioner control method and a corresponding device, wherein the method comprises the following steps: calculating the residual moisture load in the current room according to the volume of the air in the room, the current return air temperature value and the current return air humidity value; when the dehumidification system is in an initial operation stage, controlling the operation of the dehumidification system of the air conditioner according to a first target gear corresponding to the residual moisture load, and when the dehumidification system is in a stable operation stage, controlling the dehumidification amount of the dehumidification system of the air conditioner to be equal to the residual moisture load; or calculating the current residual heat load in the room according to the volume of the air in the room, the current return air temperature value and the air supply temperature value; and when the sensible heat adjusting system is in the initial operation stage, controlling the sensible heat adjusting system of the air conditioner to operate according to a second target gear corresponding to the waste heat load, and when the sensible heat adjusting system is in the stable operation stage, controlling the output cold quantity of the sensible heat adjusting system of the air conditioner to be equal to the waste heat load. Through the technical scheme, the optimal control effect can be achieved, and the comfort and the economy of a user are improved.

Description

Air conditioner control method and device
Technical Field
The invention relates to the technical field of air conditioner control, in particular to an air conditioner control method and device.
Background
The control of the existing air conditioning system is to control the compressor and the fan of the air conditioner according to the difference between the set values of the temperature and the humidity in the room and the collected values of the temperature and the humidity, but the output of the load is indirectly controlled through the temperature difference, the control mode needs to carry out overshoot and correction according to the feedback of the temperature value, and the control has time delay, so the control method has hysteresis and relatively low control precision.
Disclosure of Invention
In view of the above problems, the present invention provides an air conditioner control method and a corresponding apparatus, which performs control of air conditioner operation according to residual moisture load and residual heat load in a room, such that load output is directly controlled according to actually required load, control accuracy can be improved, and control according to required load belongs to synchronous control, and thus, there is no hysteresis.
According to a first aspect of embodiments of the present invention, there is provided an air conditioning control method, the air conditioning including a dehumidification system for performing dehumidification control and a sensible heat adjustment system for performing temperature control, the air conditioning control method including:
collecting a current return air temperature value, a current return air humidity value, a current set temperature value and a current set humidity value in a room, and acquiring the volume of air in the room which is determined in advance;
calculating the residual moisture load in the current room according to the volume of the air in the room, the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value;
determining that the dehumidification system is currently in an initial operation stage or a stable operation stage;
when the dehumidification system is in an initial operation stage, the dehumidification system is operated according to a first target gear of the dehumidification system corresponding to the residual moisture load, and when the dehumidification system is in a stable operation stage, the dehumidification capacity of the dehumidification system is controlled to be equal to the residual moisture load; or
Acquiring a current return air temperature value and a current set temperature value in a room and acquiring a predetermined volume of air in the room;
calculating the residual heat load in the current room according to the volume of the air in the room, the current return air temperature value and the current set temperature value;
determining that the sensible heat regulation system is currently in an initial operation stage or a stable operation stage;
and when the sensible heat regulating system is in an initial operation stage, the sensible heat regulating system operates according to a second target gear of the sensible heat regulating system corresponding to the waste heat load, and when the sensible heat regulating system is in a stable operation stage, the output cold quantity of the sensible heat regulating system is controlled to be equal to the waste heat load.
In one embodiment, preferably, the determining means for obtaining the air volume in the room comprises:
when the air conditioner is just started, acquiring an initial temperature value and an initial humidity value in a room;
determining an initial moisture content of the room according to the initial temperature value and the initial humidity value;
acquiring a dehumidification amount in a preset prediction time period and an end point temperature value and an end point humidity value corresponding to an end point of the preset prediction time period;
determining the moisture content corresponding to the end point according to the end point temperature value and the end point humidity value;
determining a volume of air within the room from the initial moisture content, the moisture removal content within the preset prediction time period and the moisture content at the end point, wherein,
G×Winitial＝WDehumidification+G×WPowder
Wherein G represents the volume of air in the room, WInitialDenotes the initial moisture content, WDehumidificationRepresents the amount of dehumidification, W, within a preset prediction time periodPowderThe moisture content of the endpoint is indicated.
In one embodiment, preferably, the obtaining the dehumidification amount within the preset prediction time period includes:
after the preset prediction time period is entered, acquiring the moisture content of an air supply state point and the moisture content of an air return state point of the air conditioner in real time;
determining the unit dehumidification capacity in real time according to the moisture content of the air supply state point and the moisture content of the air return state point which are acquired in real time;
calculating the dehumidification amount in the preset prediction time period according to the change of the unit dehumidification amount in the preset prediction time period, and the time starting point and the time ending point of the change of the unit dehumidification amount, wherein,
Figure BDA0002298155130000021
WdehumidificationRepresents the amount of dehumidification, W, within a preset prediction time periodi unitRepresents the unit dehumidification amount, t, of the unit dehumidification after the ith changei endpointRepresents the time end point, t, at which the ith change of the unit dehumidification occursi starting pointRepresents the time starting point when the ith change of the unit dehumidification occurs.
In one embodiment, preferably, the acquiring, in real time, the moisture content of the air supply status point includes:
acquiring an air supply temperature value and an air supply humidity value at an air outlet in real time;
determining the moisture content of the corresponding air supply state point according to the air supply temperature value and the air supply humidity value;
the step of acquiring the moisture content of the return air state point comprises the following steps:
acquiring a return air temperature value and a return air humidity value at a return air inlet in real time;
determining the moisture content of the corresponding air return state point according to the air return temperature value and the air return humidity value;
the determining the unit dehumidification according to the moisture content of the air supply state point and the moisture content of the air return state point comprises the following steps:
acquiring unit mass flow of known dehumidification air volume;
calculating the unit dehumidification amount according to the moisture content of the air supply state point, the moisture content of the air return state point and the unit mass flow,
Wunit of＝m(B-A)
WUnit ofRepresents the unit dehumidification amount, m represents the unit mass flow rate, B represents the moisture content of the return air state point, and a represents the moisture content of the supply air state point.
In one embodiment, the first and second electrodes are, preferably,
calculating the residual moisture load in the current room according to the volume of the air in the room, the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value, and the method comprises the following steps:
determining the residual moisture content of the current air in unit volume according to the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value;
calculating the residual moisture load in the current room according to the unit volume residual moisture content of the current air and the volume of the air in the room,
Wgeneral assembly＝G×WAt present
WGeneral assemblyRepresenting the residual moisture load in the current room, G representing the volume of air in the room, WAt presentRepresenting the current air residual moisture content per unit volume;
calculating the residual heat load in the current room according to the volume of the air in the room, the current return air temperature value and the current set temperature value, wherein the method comprises the following steps:
calculating the mass of air in the room from the volume of air in the room,
M＝1.2G
m represents the mass of the air; g represents the volume of air within the room;
acquiring the current constant-pressure specific heat capacity of room air;
calculating the residual heat load in the room according to the current constant-pressure specific heat capacity, the quality of air in the room and the difference value between the current return air temperature value and the current set temperature value,
Qheat generation＝CMΔT
QHeat generationRepresenting the residual heat load in the room, C representing the current constant-pressure specific heat capacity, M representing the mass of the air, and Delta T representing the current return air temperature valueAnd the difference value between the current set temperature value and the current set temperature value.
In one embodiment, preferably, the determining that the dehumidification system is currently in an initial operation stage or a stable operation stage includes:
judging whether the current return air humidity value reaches a set humidity value or not; when the current return air humidity value does not reach the set humidity value, the dehumidification system is in an initial operation stage at present, and when the current return air humidity value reaches the set humidity value, the dehumidification system is in a stable operation stage at present; or
Acquiring an accumulated dehumidification capacity, and judging whether the accumulated dehumidification capacity reaches a residual humidity load in a room obtained by first calculation after the air conditioner is started, wherein the accumulated dehumidification capacity does not reach the residual humidity load and indicates that the dehumidification system is currently in an initial operation stage, and the accumulated dehumidification capacity reaches the residual humidity load and indicates that the dehumidification system is currently in a stable operation stage;
determining that the sensible heat regulation system is currently in an initial operation stage or a stable operation stage, including:
judging whether the current return air temperature value reaches a preset temperature value or not; the current return air temperature value does not reach a set temperature value, which indicates that the sensible heat regulating system is currently in an initial operation stage, and the current return air temperature value reaches the set temperature value, which indicates that the sensible heat regulating system is currently in a stable operation stage; or
Acquiring accumulated output cold quantity, and judging whether the accumulated output cold quantity reaches the residual heat load in the room obtained by the first calculation after the air conditioner in the room is started, wherein the accumulated output cold quantity does not reach the residual heat load in the room and indicates that the sensible heat regulating system is currently in an initial operation stage, and the accumulated dehumidification quantity reaches the residual heat load in the room and indicates that the sensible heat regulating system is currently in a stable operation stage.
In one embodiment, preferably, controlling the dehumidification amount of the dehumidification system of the air conditioner to be equal to the surplus humidity load includes:
acquiring a current air supply temperature value, a current air supply humidity value, a current air return temperature value and a current air return humidity value in a room;
determining a corresponding first enthalpy value according to the air supply temperature value and the air supply humidity value;
determining a corresponding second enthalpy value according to the return air temperature value and the return air humidity value;
adjusting the air supply quantity of the dehumidification system according to the difference value of the second enthalpy value and the first enthalpy value, and adjusting the working condition of a compressor according to the residual moisture load so as to meet the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by an indoor surface heat exchanger of the dehumidification system;
controlling the output cold quantity of a sensible heat regulating system of the air conditioner to be equal to the waste heat load, and the method comprises the following steps:
acquiring a current air supply temperature value and a current air return temperature value in a room;
adjusting the air output of a sensible heat adjusting system according to the difference value of the air supply temperature value and the air return temperature value and the sensible heat load borne in the dehumidifying system, and adjusting the working condition of a compressor according to the waste heat load so as to meet the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by an indoor surface heat exchanger of the sensible heat adjusting system;
acquiring a current environment temperature value and a current environment humidity value in front of the outdoor surface heat exchanger, and a current exhaust air temperature value and a current exhaust air humidity value behind the outdoor surface heat exchanger;
determining a corresponding third enthalpy value according to the current environment temperature value and the current environment humidity value;
determining a corresponding fourth enthalpy value according to the current exhaust air temperature value and the current exhaust air humidity value;
and adjusting the air exhaust amount of the outdoor surface heat exchanger according to the difference value of the third enthalpy value and the fourth enthalpy value and the sum of the residual moisture load and the residual heat load so as to meet the maximum heat dissipation capacity or the maximum heat absorption capacity which can be achieved by the outdoor surface heat exchanger.
In one embodiment, the first and second electrodes are, preferably,
acquiring the volume of air in a predetermined room according to the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value in the collected room; and/or
And acquiring the predetermined volume of the air in the room according to the current return air temperature value and the current set temperature value in the room.
According to a second aspect of the embodiments of the present invention, there is provided an air conditioning control apparatus, the air conditioning including a dehumidification system for performing dehumidification control and a sensible heat adjustment system for performing temperature control, the air conditioning control apparatus including:
a touch-sensitive display;
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the method as described in the first aspect or any of the embodiments of the first aspect.
In the embodiment of the invention, the residual humidity load is calculated according to the volume of the air in the room, the current return air temperature value and the current return air humidity value, the residual heat load is determined according to the current return air temperature value, the air supply humidity value and the volume of the air in the room, the control of the air conditioning dehumidification system and the sensible heat regulation system is further respectively carried out according to the residual humidity load and the residual heat load in the room, and different controls are carried out aiming at the initial operation stage and the stable operation stage, so that the optimal control effect is achieved, and the control precision is improved.
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. 1A and 1B illustrate a flowchart of an air conditioner control method according to an embodiment of the present invention.
Fig. 2 illustrates a flowchart of step S104 in the air conditioner controlling method according to one embodiment of the present invention.
Fig. 3 is a flowchart illustrating a step S114 of an air conditioning control method according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In some of the flows described in the present specification and claims and in the above figures, a number of operations are included that occur in a particular order, but it should be clearly understood that these operations may be performed out of order or in parallel as they occur herein, with the order of the operations being indicated as 101, 102, etc. merely to distinguish between the various operations, and the order of the operations by themselves does not represent any order of performance. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different messages, devices, modules, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.
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.
Fig. 1A and 1B illustrate a flowchart of an air conditioner control method according to an embodiment of the present invention.
As shown in fig. 1A, according to the air conditioner control method of the embodiment of the present invention, the air conditioner includes a dehumidification system and a sensible heat adjustment system, the dehumidification system is used for dehumidification control, the sensible heat regulating system is used for temperature control, wherein, the dehumidification system can be provided with a set of own system, which comprises a compressor, an evaporator, an indoor fan, an outdoor fan, a condenser and a sensible heat regulating system, and the system can also be provided with a set of own system compressor, an evaporator, an indoor fan, an outdoor fan, a condenser, a dehumidification system and a sensible heat regulating system which operate independently, or the dehumidification system and the sensible heat regulating system can share one compressor, the evaporation temperature of the dehumidification system and the evaporation temperature of the sensible heat regulation system are respectively obtained by controlling different evaporation temperatures, and the operation can also be regulated by adopting the temperature and humidity coupling of a set of vapor compression system. The air conditioner control method includes steps S101-S104:
step S101, collecting the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value in the room, and obtaining the predetermined volume of the air in the room. The current return air temperature value and the current return air humidity value can be obtained through a temperature sensor and a humidity sensor which are arranged at an air return opening of the air conditioner.
In one embodiment, the determination of the air volume in the room is preferably obtained by:
and acquiring an initial temperature value and an initial humidity value in a room when the air conditioner is just started.
When the air conditioner is just started, the temperature value is acquired through the temperature sensor arranged at the air return opening of the air conditioner and is used as the initial temperature value, and the humidity value is acquired through the humidity sensor arranged at the air return opening of the air conditioner and is used as the initial humidity value.
Determining the initial moisture content of the room according to the initial temperature value and the initial humidity value; the correspondence table between the temperature and the humidity and the moisture content may be established, and the moisture content may be determined by table lookup, or may be calculated by a known formula or the like.
Acquiring a dehumidification amount in a preset prediction time period and an end point temperature value and an end point humidity value corresponding to an end point of the preset prediction time period;
when the end point of the preset prediction time period is reached, the temperature value at the moment is obtained through a temperature sensor arranged at the air return inlet of the air conditioner and is used as the end point temperature value, and the humidity value at the moment is obtained through a humidity sensor arranged at the air return inlet of the air conditioner and is used as the end point humidity value.
Determining the moisture content of the end point of the preset prediction time period according to the end point temperature value and the end point humidity value;
determining the volume of air in the room based on the initial moisture content, the moisture content within the preset prediction period and the moisture content at the end of the preset prediction period, wherein,
G×Winitial＝WDehumidification+G×WPowder
Wherein G represents the volume of air in the room, WInitialDenotes the initial moisture content, WDehumidificationRepresents the amount of dehumidification, W, within a preset prediction time periodPowderA moisture content indicating an end point of a preset prediction time period.
In one embodiment, preferably, the obtaining the dehumidification amount within the preset prediction time period includes:
after the preset prediction time period is entered, acquiring the moisture content of an air supply state point and the moisture content of an air return state point of the air conditioner in real time;
determining the unit dehumidification capacity in real time according to the moisture content of the air supply state point and the moisture content of the air return state point which are acquired in real time;
calculating the dehumidification amount in the preset prediction time period according to the change of the unit dehumidification amount in the preset prediction time period, and the time starting point and the time ending point of the change of the unit dehumidification amount, wherein,
Figure BDA0002298155130000081
WdehumidificationRepresents the amount of dehumidification, W, within a preset prediction time periodi unitRepresents the unit dehumidification amount, t, of the unit dehumidification after the ith changei endpointRepresents the time end point, t, at which the ith change of the unit dehumidification occursi starting pointRepresents the time starting point when the ith change of the unit dehumidification occurs.
For example, the preset prediction period is 10S, wherein the unit dehumidification amount is W upon entering the preset prediction period0 unitThe duration is 3s, the unit dehumidification amount is changed in 4s, and the changed unit dehumidification amount is W1 unit ofAt the time of the 7 th pass, the unit dehumidification amount is changed again, and the changed unit dehumidification amount is W2 units ofContinuing until the 10 th s, then according to the above calculation formula, WDehumidification＝W0 unit×(3-1+1)+W1 unit of×(6-4+1)+W2 units of×(10-7+1)。
In one embodiment, preferably, the acquiring moisture content of the air supply status point in real time includes:
acquiring an air supply temperature value and an air supply humidity value at an air outlet in real time;
the temperature and humidity of the air supply are collected in real time by a temperature sensor and a humidity sensor which are arranged at the air outlet of the air conditioner.
Determining the moisture content of the corresponding air supply state point according to the air supply temperature value and the air supply humidity value;
the step of acquiring the moisture content of the return air state point comprises the following steps:
acquiring a return air temperature value and a return air humidity value at a return air inlet in real time;
the temperature sensor and the humidity sensor arranged at the air return inlet of the air conditioner are used for acquiring the air supply temperature value and the air supply humidity value in real time.
Determining the moisture content of the corresponding air return state point according to the air return temperature value and the air return humidity value;
determining the unit dehumidification capacity according to the moisture content of the air supply state point and the moisture content of the air return state point, wherein the unit dehumidification capacity comprises the following steps:
acquiring unit mass flow of known dehumidification air volume;
calculating the unit dehumidification capacity according to the moisture content of the air supply state point, the moisture content of the air return state point and the unit mass flow,
Wunit of＝m(B-A)
WUnit ofExpressed as unit dehumidification, m as unit mass flow, B as return airThe moisture content of the state point, a represents the moisture content of the blowing state point.
And S102, calculating the residual humidity load in the current room according to the volume of the air in the room, the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value.
In one embodiment, preferably, calculating the remaining humidity load in the current room according to the volume of air in the room, the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value comprises:
determining the residual moisture content of the current air in unit volume according to the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value;
calculating the residual moisture load in the current room according to the unit volume residual moisture content of the current air and the volume of the air in the room,
Wgeneral assembly＝G×WAt present
WGeneral assemblyRepresenting the residual moisture load in the current room, G representing the volume of air in the room, WAt presentRepresenting the current air residual moisture content per unit volume;
step S103, determining that the dehumidification system is in an initial operation stage or a stable operation stage at present.
In one embodiment, preferably, the determining that the dehumidification system is currently in an initial operation stage or a stable operation stage includes:
judging whether the current return air humidity value reaches a set humidity value or not; when the current return air humidity value does not reach the set humidity value, the dehumidification system is in an initial operation stage at present, and when the current return air humidity value reaches the set humidity value, the dehumidification system is in a stable operation stage at present; or
Acquiring an accumulated dehumidification capacity, and judging whether the accumulated dehumidification capacity reaches the residual humidity load in a room obtained by first calculation after an air conditioner is started, wherein the accumulated dehumidification capacity does not reach the residual humidity load and indicates that the dehumidification system is in an initial operation stage at present, and the accumulated dehumidification capacity reaches the residual humidity load and indicates that the dehumidification system is in a stable operation stage at present; the integrated dehumidification amount is a sum of dehumidification amounts from the start of the operation of the air conditioner to the current time.
And step S104, when the dehumidification system is in an initial operation stage, operating according to a first target gear of the dehumidification system corresponding to the residual moisture load, and when the dehumidification system is in a stable operation stage, controlling the dehumidification capacity of the dehumidification system to be equal to the residual moisture load. The operation according to the first target gear of the dehumidification system comprises the steps of controlling a compressor of the dehumidification system to operate according to the corresponding target gear and controlling an indoor fan and an outdoor fan to operate according to the corresponding target gear.
As shown in fig. 1B, the air conditioner controlling method includes steps S111-S114:
and step S111, acquiring the current return air temperature value and the current set temperature value in the room and acquiring the predetermined volume of the air in the room.
And step S112, calculating the residual heat load in the current room according to the volume of the air in the room, the current return air temperature value and the current set temperature value.
Calculating the residual heat load in the current room according to the volume of the air in the room, the current return air temperature value and the current set temperature value, wherein the residual heat load comprises the following steps:
the mass of air in the room is calculated from the volume of air in the room,
M＝1.2G
m represents the mass of air; g represents the volume of air in the room;
acquiring the current constant-pressure specific heat capacity of room air; the current constant pressure specific heat capacity of the room air is a known quantity and can be directly obtained.
Calculating the residual heat load in the room according to the current constant-pressure specific heat capacity, the quality of air in the room and the difference value between the current return air temperature value and the current set temperature value,
Qheat generation＝CMΔT
QHeat generationRepresenting the residual heat load in the room, C representing the current constant-pressure specific heat capacity, M representing the mass of air, and Delta T representing the current return air temperatureThe difference between the value and the current set temperature value.
And step S113, determining that the sensible heat regulating system is currently in an initial operation stage or a stable operation stage.
In one embodiment, determining that the sensible heat conditioning system is currently in an initial or steady operation phase comprises:
judging whether the current return air temperature value reaches a preset temperature value or not; the current return air temperature value does not reach a set temperature value, which indicates that the sensible heat regulating system is currently in an initial operation stage, and the current return air temperature value reaches the set temperature value, which indicates that the sensible heat regulating system is currently in a stable operation stage; or
Acquiring accumulated output cold quantity, and judging whether the accumulated output cold quantity reaches the residual heat load in the room obtained by first calculation after the air conditioner is started, wherein the accumulated output cold quantity does not reach the residual heat load in the room and indicates that the sensible heat regulating system is currently in an initial operation stage, and the accumulated dehumidification quantity reaches the residual heat load in the room and indicates that the sensible heat regulating system is currently in a stable operation stage.
And step S114, when the sensible heat regulating system is in an initial operation stage, operating according to a second target gear of the sensible heat regulating system corresponding to the waste heat load, and when the sensible heat regulating system is in a stable operation stage, controlling the output cold quantity of the sensible heat regulating system to be equal to the waste heat load. And the operation according to the second target gear of the sensible heat regulating system comprises controlling the compressor of the sensible heat regulating system to operate according to the corresponding target gear and controlling the indoor fan and the outdoor fan of the sensible heat regulating system to operate according to the target gear.
In the embodiment, the residual humidity load is calculated according to the volume of air in a room, the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value, the residual heat load is determined according to the current return air temperature value, the current set temperature value and the volume of the air in the room, the control of the air conditioning dehumidification system and the sensible heat regulation system is further respectively carried out according to the residual humidity load and the residual heat load in the room, and different control is carried out aiming at the initial operation stage and the stable operation stage, so that the optimal control effect is achieved, and the comfort and the economy of a user are improved.
Fig. 2 illustrates a flowchart of step S104 in the air conditioner controlling method according to one embodiment of the present invention.
As shown in fig. 2, in one embodiment, preferably, the controlling the dehumidification amount of the dehumidification system of the air conditioner in the step S104 to be equal to the residual humidity load includes:
step S201, acquiring a current air supply temperature value, a current air supply humidity value, a current return air temperature value and a current return air humidity value in a room.
Step S202, a corresponding first enthalpy value is determined according to the current air supply temperature value and the current air supply humidity value.
And step S203, determining a corresponding second enthalpy value according to the current return air humidity value and the current return air humidity value.
And S204, adjusting the air supply quantity of the dehumidification system according to the difference value of the second enthalpy value and the first enthalpy value, and adjusting the working condition of the compressor according to the residual moisture load so as to meet the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by the indoor surface heat exchanger of the dehumidification system. Wherein, the maximum heat absorption capacity or the maximum heat dissipation capacity that can be reached by the indoor surface heat exchanger of the dehumidification system is satisfied, even if the heat absorption amount flowing through the indoor surface heat exchanger is equal to the heat dissipation amount of the air passing through the indoor surface heat exchanger, or the heat dissipation amount flowing through the indoor surface heat exchanger is equal to the heat absorption amount of the air passing through the indoor surface heat exchanger.
In the embodiment, the air supply quantity of the dehumidification system is controlled according to the difference value of the enthalpy values corresponding to the temperature values and the humidity values of the supplied air and the returned air, and meanwhile, the working condition of the compressor is adjusted according to the residual moisture load, so that the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by the indoor surface heat exchanger of the dehumidification system is met, the air quantity of the indoor and outdoor fans is completely matched with the actual output capacity of the compressor, and the waste of work of the compressor or the waste of fan output is avoided.
Fig. 3 is a flowchart illustrating a step S114 of an air conditioning control method according to an embodiment of the present invention.
As shown in fig. 3, in one embodiment, it is preferable that the controlling of the sensible heat regulating system of the air conditioner in step S114 has an output capacity equal to a residual heat load, and includes:
step S301, collecting a current air supply temperature value and a current air return temperature value in a room;
step S302, adjusting the air output of a sensible heat adjusting system according to the difference value of the current air supply temperature value and the current air return temperature value and the sensible heat load borne in the dehumidification system, and adjusting the working condition of a compressor according to the waste heat load so as to meet the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by an indoor surface heat exchanger of the sensible heat adjusting system; wherein the maximum heat absorption capacity or the maximum heat dissipation capacity that can be achieved by the indoor surface heat exchanger satisfying sensible heat regulation, even if the amount of heat absorbed by the indoor surface heat exchanger is equal to the amount of heat dissipated by the air passing through the indoor surface heat exchanger, or the amount of heat dissipated by the indoor surface heat exchanger is equal to the amount of heat absorbed by the air passing through the indoor surface heat exchanger.
Step S303, acquiring a current environment temperature value and a current environment humidity value in front of the outdoor surface heat exchanger, and a current exhaust air temperature value and a current exhaust air humidity value behind the condenser;
step S304, determining a corresponding third enthalpy value according to the current environment temperature value and the current environment humidity value;
s305, determining a corresponding fourth enthalpy value according to the current exhaust air temperature value and the current exhaust air humidity value;
and S306, adjusting the air exhausting quantity of the outdoor surface heat exchanger according to the difference value of the third enthalpy value and the fourth enthalpy value and the sum of the residual moisture load and the residual heat load so as to meet the maximum heat radiating capacity or the maximum heat absorbing capacity which can be achieved by the outdoor surface heat exchanger. Wherein the maximum heat absorption capacity or the maximum heat dissipation capacity that can be achieved by the outdoor surface heat exchanger is satisfied, even if the amount of heat absorbed by the outdoor surface heat exchanger is equal to the amount of heat dissipated by the air passing through the outdoor surface heat exchanger, or the amount of heat dissipated by the outdoor surface heat exchanger is equal to the amount of heat absorbed by the air passing through the outdoor surface heat exchanger.
In the embodiment, the air supply quantity of the outdoor surface heat exchanger is controlled according to the difference value of the temperature values of the air supply and the air return and the sum of the residual moisture load and the residual heat load, so that the maximum heat absorption capacity or the maximum heat dissipation capacity which can be reached by the indoor surface heat exchanger of the sensible heat regulating system is met, the air exhaust quantity of the outdoor surface heat exchanger is controlled according to the outdoor current environment temperature value and humidity value and the difference value of the enthalpy value corresponding to the current air exhaust temperature value and humidity value, the maximum heat absorption capacity or the maximum heat dissipation capacity which can be reached by the outdoor surface heat exchanger is met, and therefore, the air quantity of the indoor and outdoor fans is completely matched with the actual output of the compressor, and the waste of work of the compressor or the output of the fan is avoided.
In one embodiment, preferably, the predetermined volume of air in the room is acquired according to the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value in the room; and/or
And acquiring the predetermined volume of the air in the room according to the current return air temperature value and the current set temperature value in the room.
In the embodiment, the data needed for calculating the residual heat load and the residual moisture load is obtained according to the preset time, so that the residual heat load and the residual moisture load are updated, and the normal operation of the air conditioner control system is ensured.
According to a second aspect of the embodiments of the present invention, there is provided an air conditioning control apparatus including:
a memory and a processor;
the memory is used for storing data used by the processor when executing the computer program;
the processor is adapted to execute a computer program to implement the method according to any of the first aspect.
In one embodiment, preferably, the air conditioning control apparatus further includes:
the temperature sensors are arranged at the air outlet, the air return inlet, the front and the back of the outdoor surface heat exchanger and the indoor surface heat exchanger of the air conditioner; the front and the back can be determined according to the trend of the air in the surface heat exchanger, the position where the air arrives first is the front, and the position where the air arrives later is the back.
And the humidity sensors are arranged at the air outlet, the air return inlet, the front and the back of the outdoor surface heat exchanger and the indoor surface heat exchanger of the air conditioner.
The processor is configured to execute a computer program to implement the following processes:
the adjusting system is used for controlling the temperature, and the air conditioner control method comprises the following steps:
collecting a current return air temperature value, a current return air humidity value, a current set temperature value and a current set humidity value in a room, and acquiring the volume of air in the room which is determined in advance;
calculating the residual moisture load in the current room according to the volume of the air in the room, the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value;
determining that the dehumidification system is currently in an initial operation stage or a stable operation stage;
when the dehumidification system is in an initial operation stage, the dehumidification system is operated according to a first target gear of the dehumidification system corresponding to the residual moisture load, and when the dehumidification system is in a stable operation stage, the dehumidification capacity of the dehumidification system is controlled to be equal to the residual moisture load; or
Acquiring a current return air temperature value and a current set temperature value in a room and acquiring a predetermined volume of air in the room;
calculating the residual heat load in the current room according to the volume of the air in the room, the current return air temperature value and the current set temperature value;
determining that the sensible heat regulation system is currently in an initial operation stage or a stable operation stage;
and when the sensible heat regulating system is in an initial operation stage, the sensible heat regulating system operates according to a second target gear of the sensible heat regulating system corresponding to the waste heat load, and when the sensible heat regulating system is in a stable operation stage, the output cold quantity of the sensible heat regulating system is controlled to be equal to the waste heat load.
In one embodiment, preferably, the determining means for obtaining the air volume in the room comprises:
when the air conditioner is just started, acquiring an initial temperature value and an initial humidity value in a room;
determining an initial moisture content of the room according to the initial temperature value and the initial humidity value;
acquiring a dehumidification amount in a preset prediction time period and an end point temperature value and an end point humidity value corresponding to an end point of the preset prediction time period;
determining the moisture content corresponding to the end point according to the end point temperature value and the end point humidity value;
determining a volume of air within the room from the initial moisture content, the moisture removal content within the preset prediction time period and the moisture content at the end point, wherein,
G×Winitial＝WDehumidification+G×WPowder
Wherein G represents the volume of air in the room, WInitialDenotes the initial moisture content, WDehumidificationRepresents the amount of dehumidification, W, within a preset prediction time periodPowderThe moisture content of the endpoint is indicated.
In one embodiment, preferably, the obtaining the dehumidification amount within the preset prediction time period includes:
after the preset prediction time period is entered, acquiring the moisture content of an air supply state point and the moisture content of an air return state point of the air conditioner in real time;
determining the unit dehumidification capacity in real time according to the moisture content of the air supply state point and the moisture content of the air return state point which are acquired in real time;
calculating the dehumidification amount in the preset prediction time period according to the change of the unit dehumidification amount in the preset prediction time period, and the time starting point and the time ending point of the change of the unit dehumidification amount, wherein,
Figure BDA0002298155130000151
WdehumidificationRepresents the amount of dehumidification, W, within a preset prediction time periodi unitRepresents the unit dehumidification amount, t, of the unit dehumidification after the ith changei endpointRepresents the time end point, t, at which the ith change of the unit dehumidification occursi starting pointRepresents the time starting point when the ith change of the unit dehumidification occurs.
In one embodiment, preferably, the acquiring, in real time, the moisture content of the air supply status point includes:
acquiring an air supply temperature value and an air supply humidity value at an air outlet in real time;
determining the moisture content of the corresponding air supply state point according to the air supply temperature value and the air supply humidity value;
the step of acquiring the moisture content of the return air state point comprises the following steps:
acquiring a return air temperature value and a return air humidity value at a return air inlet in real time;
determining the moisture content of the corresponding air return state point according to the air return temperature value and the air return humidity value;
the determining the unit dehumidification according to the moisture content of the air supply state point and the moisture content of the air return state point comprises the following steps:
acquiring unit mass flow of known dehumidification air volume;
calculating the unit dehumidification amount according to the moisture content of the air supply state point, the moisture content of the air return state point and the unit mass flow,
Wunit of＝m(B-A)
WUnit ofRepresents the unit dehumidification amount, m represents the unit mass flow rate, B represents the moisture content of the return air state point, and a represents the moisture content of the supply air state point.
In one embodiment, the first and second electrodes are, preferably,
calculating the residual moisture load in the current room according to the volume of the air in the room, the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value, and the method comprises the following steps:
determining the residual moisture content of the current air in unit volume according to the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value;
calculating the residual moisture load in the current room according to the unit volume residual moisture content of the current air and the volume of the air in the room,
Wtotal ═ totalG×WAt present
WGeneral assemblyRepresenting the residual moisture load in the current room, G representing the volume of air in the room, WAt presentRepresenting the current air residual moisture content per unit volume;
calculating the residual heat load in the current room according to the volume of the air in the room, the current return air temperature value and the current set temperature value, wherein the method comprises the following steps:
calculating the mass of air in the room from the volume of air in the room,
M＝1.2G
m represents the mass of the air; g represents the volume of air within the room;
acquiring the current constant-pressure specific heat capacity of room air;
calculating the residual heat load in the room according to the current constant-pressure specific heat capacity, the quality of air in the room and the difference value between the current return air temperature value and the current set temperature value,
Qheat generation＝CMΔT
QHeat generationAnd C represents the residual heat load in the room, C represents the current constant-pressure specific heat capacity, M represents the mass of the air, and delta T represents the difference between the current return air temperature value and the current set temperature value.
In one embodiment, preferably, the determining that the dehumidification system is currently in an initial operation stage or a stable operation stage includes:
judging whether the current return air humidity value reaches a set humidity value or not; when the current return air humidity value does not reach the set humidity value, the dehumidification system is in an initial operation stage at present, and when the current return air humidity value reaches the set humidity value, the dehumidification system is in a stable operation stage at present; or
Acquiring an accumulated dehumidification capacity, and judging whether the accumulated dehumidification capacity reaches a residual humidity load in a room obtained by first calculation after the air conditioner is started, wherein the accumulated dehumidification capacity does not reach the residual humidity load and indicates that the dehumidification system is currently in an initial operation stage, and the accumulated dehumidification capacity reaches the residual humidity load and indicates that the dehumidification system is currently in a stable operation stage;
determining that the sensible heat regulation system is currently in an initial operation stage or a stable operation stage, including:
judging whether the current return air temperature value reaches a preset temperature value or not; the current return air temperature value does not reach a set temperature value, which indicates that the sensible heat regulating system is currently in an initial operation stage, and the current return air temperature value reaches the set temperature value, which indicates that the sensible heat regulating system is currently in a stable operation stage; or
Acquiring accumulated output cold quantity, and judging whether the accumulated output cold quantity reaches the residual heat load in the room obtained by the first calculation after the air conditioner in the room is started, wherein the accumulated output cold quantity does not reach the residual heat load in the room and indicates that the sensible heat regulating system is currently in an initial operation stage, and the accumulated dehumidification quantity reaches the residual heat load in the room and indicates that the sensible heat regulating system is currently in a stable operation stage.
In one embodiment, preferably, controlling the dehumidification amount of the dehumidification system of the air conditioner to be equal to the surplus humidity load includes:
acquiring a current air supply temperature value, a current air supply humidity value, a current air return temperature value and a current air return humidity value in a room;
determining a corresponding first enthalpy value according to the air supply temperature value and the air supply humidity value;
determining a corresponding second enthalpy value according to the return air temperature value and the return air humidity value;
adjusting the air supply quantity of the dehumidification system according to the difference value of the second enthalpy value and the first enthalpy value, and adjusting the working condition of a compressor according to the residual moisture load so as to meet the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by an indoor surface heat exchanger of the dehumidification system;
controlling the output cold quantity of a sensible heat regulating system of the air conditioner to be equal to the waste heat load, and the method comprises the following steps:
acquiring a current air supply temperature value and a current air return temperature value in a room;
adjusting the air output of a sensible heat adjusting system according to the difference value of the air supply temperature value and the air return temperature value and the sensible heat load borne in the dehumidifying system, and adjusting the working condition of a compressor according to the waste heat load so as to meet the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by an indoor surface heat exchanger of the sensible heat adjusting system;
acquiring a current environment temperature value and a current environment humidity value in front of the outdoor surface heat exchanger, and a current exhaust air temperature value and a current exhaust air humidity value behind the outdoor surface heat exchanger;
determining a corresponding third enthalpy value according to the current environment temperature value and the current environment humidity value;
determining a corresponding fourth enthalpy value according to the current exhaust air temperature value and the current exhaust air humidity value;
and adjusting the air exhaust amount of the outdoor surface heat exchanger according to the difference value of the third enthalpy value and the fourth enthalpy value and the sum of the residual moisture load and the residual heat load so as to meet the maximum heat dissipation capacity or the maximum heat absorption capacity which can be achieved by the outdoor surface heat exchanger.
In one embodiment, the first and second electrodes are, preferably,
acquiring the volume of air in a predetermined room according to the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value in the collected room; and/or
And acquiring the predetermined volume of the air in the room according to the current return air temperature value and the current set temperature value in the room.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by hardware that is instructed to implement by a program, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
While the portable multifunctional device provided by the present invention has been described in detail, those skilled in the art will appreciate that the various embodiments and applications of the invention can be modified, and that the scope of the invention is not limited by the disclosure of the present invention.

Claims (9)

1. The air conditioner control method is characterized in that the air conditioner comprises a dehumidification system and a sensible heat regulation system, the dehumidification system performs dehumidification control, the sensible heat regulation system performs temperature control, the dehumidification system and the sensible heat regulation system independently operate and independently control evaporation temperature of each system, and the air conditioner control method comprises the following steps:
collecting a current return air temperature value, a current return air humidity value, a current set temperature value and a current set humidity value in a room, and acquiring the volume of air in the room which is determined in advance;
calculating the residual moisture load in the current room according to the volume of the air in the room, the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value;
determining that the dehumidification system is currently in an initial operation stage or a stable operation stage;
when the dehumidification system is in an initial operation stage, the dehumidification system is operated according to a first target gear of the dehumidification system corresponding to the residual moisture load, and when the dehumidification system is in a stable operation stage, the dehumidification capacity of the dehumidification system is controlled to be equal to the residual moisture load; or
Acquiring a current return air temperature value and a current set temperature value in a room and acquiring a predetermined volume of air in the room;
calculating the residual heat load in the current room according to the volume of the air in the room, the current return air temperature value and the current set temperature value;
determining that the sensible heat regulation system is currently in an initial operation stage or a stable operation stage;
when the sensible heat regulating system is in an initial operation stage, the sensible heat regulating system operates according to a second target gear of the sensible heat regulating system corresponding to the waste heat load, and when the sensible heat regulating system is in a stable operation stage, the output cold quantity of the sensible heat regulating system is controlled to be equal to the waste heat load;
the determination of the air volume in the room comprises:
when the air conditioner is just started, acquiring an initial temperature value and an initial humidity value in a room;
determining an initial moisture content of the room according to the initial temperature value and the initial humidity value;
acquiring a dehumidification amount in a preset prediction time period and an end point temperature value and an end point humidity value corresponding to an end point of the preset prediction time period;
determining the moisture content corresponding to the end point according to the end point temperature value and the end point humidity value;
determining a volume of air within the room from the initial moisture content, the moisture removal content within the preset prediction time period and the moisture content at the end point, wherein,
G×Winitial＝WDehumidification+G×WPowder
Wherein G represents the volume of air in the room, WInitialDenotes the initial moisture content, WDehumidificationRepresents the amount of dehumidification, W, within a preset prediction time periodPowderThe moisture content of the endpoint is indicated.
2. The air conditioner control method according to claim 1, wherein the obtaining of the dehumidification amount within the preset prediction time period includes:
after the preset prediction time period is entered, acquiring the moisture content of an air supply state point and the moisture content of an air return state point of the air conditioner in real time;
determining the unit dehumidification capacity in real time according to the moisture content of the air supply state point and the moisture content of the air return state point which are acquired in real time;
calculating the dehumidification amount in the preset prediction time period according to the change of the unit dehumidification amount in the preset prediction time period, and the time starting point and the time ending point of the change of the unit dehumidification amount, wherein,
Figure FDA0003259097910000021
WdehumidificationRepresents the amount of dehumidification, W, within a preset prediction time periodi unitRepresents the unit dehumidification amount, t, of the unit dehumidification after the ith changei endpointRepresents the time end point, t, at which the ith change of the unit dehumidification occursi starting pointRepresents the time starting point when the ith change of the unit dehumidification occurs.
3. The air conditioning control method according to claim 2,
the acquiring moisture content of the air supply state point in real time comprises the following steps:
acquiring an air supply temperature value and an air supply humidity value at an air outlet in real time;
determining the moisture content of the corresponding air supply state point according to the air supply temperature value and the air supply humidity value;
the step of acquiring the moisture content of the return air state point comprises the following steps:
acquiring a return air temperature value and a return air humidity value at a return air inlet in real time;
determining the moisture content of the corresponding air return state point according to the air return temperature value and the air return humidity value;
the determining the unit dehumidification according to the moisture content of the air supply state point and the moisture content of the air return state point comprises the following steps:
acquiring unit mass flow of known dehumidification air volume;
calculating the unit dehumidification amount according to the moisture content of the air supply state point, the moisture content of the air return state point and the unit mass flow,
Wunit of＝m(B-A)
WUnit ofRepresents the unit dehumidification amount, m represents the unit mass flow rate, B represents the moisture content of the return air state point, and a represents the moisture content of the supply air state point.
4. The air conditioning control method according to claim 1, wherein calculating the residual humidity load in the current room based on the volume of air in the room, the current return air temperature value, the current return air humidity value, the current set temperature value, and the current set humidity value includes:
determining the residual moisture content of the current air in unit volume according to the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value;
calculating the residual moisture load in the current room according to the unit volume residual moisture content of the current air and the volume of the air in the room,
Wgeneral assembly＝G×WAt present
WGeneral assemblyRepresenting the residual moisture load in the current room, G representing the volume of air in the room, WAt presentRepresenting the current air residual moisture content per unit volume;
calculating the residual heat load in the current room according to the volume of the air in the room, the current return air temperature value and the current set temperature value, wherein the method comprises the following steps:
calculating the mass of air in the room from the volume of air in the room,
M＝1.2G
m represents the mass of the air; g represents the volume of air within the room;
acquiring the current constant-pressure specific heat capacity of known room air;
calculating the residual heat load in the room according to the current constant-pressure specific heat capacity, the quality of air in the room and the difference value between the current return air temperature value and the current set temperature value,
Qheat generation＝CMΔT
QHeat generationAnd C represents the residual heat load in the room, C represents the current constant-pressure specific heat capacity, M represents the mass of the air, and delta T represents the difference between the current return air temperature value and the current set temperature value.
5. The air conditioning control method according to claim 1, wherein the determining that the dehumidification system is currently in an initial operation stage or a stable operation stage includes:
judging whether the current return air humidity value reaches a set humidity value or not; when the current return air humidity value does not reach the set humidity value, the dehumidification system is in an initial operation stage at present, and when the current return air humidity value reaches the set humidity value, the dehumidification system is in a stable operation stage at present; or
Acquiring an accumulated dehumidification capacity, and judging whether the accumulated dehumidification capacity reaches a residual humidity load in a room obtained by first calculation after the air conditioner is started, wherein the accumulated dehumidification capacity does not reach the residual humidity load and indicates that the dehumidification system is currently in an initial operation stage, and the accumulated dehumidification capacity reaches the residual humidity load and indicates that the dehumidification system is currently in a stable operation stage;
determining that the sensible heat regulation system is currently in an initial operation stage or a stable operation stage, including:
judging whether the current return air temperature value reaches a preset temperature value or not; the current return air temperature value does not reach a set temperature value, which indicates that the sensible heat regulating system is currently in an initial operation stage, and the current return air temperature value reaches the set temperature value, which indicates that the sensible heat regulating system is currently in a stable operation stage; or
Acquiring accumulated output cold quantity, and judging whether the accumulated output cold quantity reaches the residual heat load in the room obtained by first calculation after the air conditioner is started, wherein the accumulated output cold quantity does not reach the residual heat load in the room and indicates that the sensible heat regulating system is currently in an initial operation stage, and the accumulated dehumidification quantity reaches the residual heat load in the room and indicates that the sensible heat regulating system is currently in a stable operation stage.
6. The air conditioning control method according to claim 1,
controlling the dehumidification capacity of the dehumidification system of the air conditioner to be equal to the residual humidity load, comprising:
collecting a current air supply temperature value, a current air supply humidity value, a current air return temperature value and a current air return humidity value in a room;
determining a corresponding first enthalpy value according to the current air supply temperature value and the current air supply rheumatism value;
determining a corresponding second enthalpy value according to the current return air temperature value and the current return air humidity value;
adjusting the air supply quantity of the dehumidification system according to the difference value of the second enthalpy value and the first enthalpy value, and adjusting the working condition of a compressor according to the residual moisture load so as to meet the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by an indoor surface heat exchanger of the dehumidification system;
controlling the output cold quantity of a sensible heat regulating system of the air conditioner to be equal to the waste heat load, and the method comprises the following steps:
acquiring a current air supply temperature value and a current air return temperature value in a room;
adjusting the air output of a sensible heat adjusting system according to the difference value between the current air supply temperature value and the current air return temperature value and the sensible heat load borne in the dehumidifying system, and adjusting the working condition of a compressor according to the waste heat load so as to meet the maximum heat absorption capacity or the maximum heat dissipation capacity which can be achieved by an indoor surface heat exchanger of the sensible heat adjusting system;
acquiring a current environment temperature value and a current environment humidity value in front of the outdoor surface heat exchanger, and a current exhaust air temperature value and a current exhaust air humidity value behind the outdoor surface heat exchanger;
determining a corresponding third enthalpy value according to the current environment temperature value and the current environment humidity value;
determining a corresponding fourth enthalpy value according to the current exhaust air temperature value and the current exhaust air humidity value;
and adjusting the air exhaust amount of the outdoor surface heat exchanger according to the difference value of the third enthalpy value and the fourth enthalpy value and the sum of the residual moisture load and the residual heat load so as to meet the maximum heat dissipation capacity or the maximum heat absorption capacity which can be achieved by the outdoor surface heat exchanger.
7. The air conditioning control method according to claim 1,
acquiring the volume of air in a predetermined room according to the current return air temperature value, the current return air humidity value, the current set temperature value and the current set humidity value in the collected room; and/or
And acquiring the predetermined volume of the air in the room according to the current return air temperature value and the current set temperature value in the room.
8. The utility model provides an air conditioner controlling means, its characterized in that, the air conditioner includes dehumidification system and sensible heat governing system, dehumidification system is used for carrying out dehumidification control, sensible heat governing system is used for carrying out temperature control, dehumidification system with both independent runings of sensible heat governing system, the evaporating temperature of independent control system separately, air conditioner controlling means includes:
a memory and a processor;
the memory is used for storing data used by the processor when executing the computer program;
the processor is configured to execute a computer program to implement the method of any one of claims 1 to 7.
9. The air conditioning control apparatus according to claim 8, characterized by further comprising:
the temperature sensors are arranged at the air outlet, the air return inlet, the front and the back of the outdoor surface heat exchanger and the indoor surface heat exchanger of the air conditioner;
and the humidity sensors are arranged at the air outlet, the air return inlet, the front and the back of the outdoor surface heat exchanger and the indoor surface heat exchanger of the air conditioner.
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