CN115597210A - Air conditioning system - Google Patents

Air conditioning system Download PDF

Info

Publication number
CN115597210A
CN115597210A CN202211268908.1A CN202211268908A CN115597210A CN 115597210 A CN115597210 A CN 115597210A CN 202211268908 A CN202211268908 A CN 202211268908A CN 115597210 A CN115597210 A CN 115597210A
Authority
CN
China
Prior art keywords
indoor
temperature
heat pump
pump unit
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211268908.1A
Other languages
Chinese (zh)
Inventor
张晓晨
李强
丛辉
禹志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Original Assignee
Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Hisense Hitachi Air Conditioning System Co Ltd filed Critical Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority to CN202211268908.1A priority Critical patent/CN115597210A/en
Publication of CN115597210A publication Critical patent/CN115597210A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/66—Volatile organic compounds [VOC]
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

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

Abstract

The invention discloses an air conditioning system, which judges whether a starting condition is met or not through a difference value of an indoor return air temperature Ta and an indoor set temperature Td, and a heat pump unit and a fan coil are started to operate when the starting condition is met; then judging whether a shutdown condition is met or not through a difference value between the backwater temperature Ts of the heat pump unit and the indoor set temperature Td, and if the shutdown condition is met, stopping the heat pump unit and keeping the fan coil running; through indoor return air temperature Ta, indoor temperature Td, heat pump set return water temperature Ts opens and stops control to heat pump set, realize the accurate control to indoor temperature, improve the control accuracy to indoor temperature, prevent that heat pump set and fan coil pipe from frequently opening and stopping, prolong the life of heat pump set and fan coil pipe, satisfy user's indoor temperature demand, improve user's use and experience.

Description

Air conditioning system
Technical Field
The invention relates to the technical field of air conditioning, in particular to an air conditioning system.
Background
With the improvement of living standard, indoor air conditioning equipment has been widely used in household life.
The three constant systems are a system capable of controlling indoor CO 2 The concentration, the temperature and the humidity are controlled uniformly. Can automatically and uniformly adjust indoor CO 2 The concentration, the temperature and the humidity are automatically controlled.
Current three constant system, to indoor CO 2 The temperature and humidity control method is relatively inaccurate, so that the temperature and humidity experience of a user is poor, in addition, the service life cycle of the unit can be seriously influenced by frequent start-stop control of system equipment, and meanwhile, energy waste can be caused.
Disclosure of Invention
The invention provides an air conditioning system, which solves the problem of low temperature control precision.
In order to achieve the purpose, the invention adopts the following technical scheme:
the present invention provides an air conditioning system comprising:
a heat pump unit;
the fan coil is connected with the heat pump unit through a water pipeline;
a controller configured to:
acquiring an indoor return air temperature Ta and an indoor set temperature Td;
when the difference value of the indoor return air temperature Ta and the indoor set temperature Td meets the starting condition, the heat pump unit and the fan coil operate; calculating the difference value of the backwater temperature Ts and the indoor set temperature Td of the heat pump unit; when the difference value between the return water temperature Ts of the heat pump unit and the indoor set temperature Td meets the shutdown condition, the heat pump unit is shut down, and the fan coil keeps running.
In some embodiments of the present application, when the difference between the heat pump unit return water temperature Ts and the indoor set temperature Td satisfies the shutdown condition, the heat pump unit is shut down, and the fan coil keeps running, specifically including:
when the difference value of the indoor return air temperature Ta and the indoor set temperature Td meets a first starting temperature range, the heat pump unit operates, and the fan coil operates at a first preset air speed; judging whether the absolute value of the difference between the backwater temperature Ts of the heat pump unit and the indoor set temperature Td meets a first shutdown temperature range or not, and when the absolute value of the difference between the backwater temperature Ts of the heat pump unit and the indoor set temperature Td meets the first shutdown temperature range, shutting down the heat pump unit and keeping a fan coil running at a first preset air speed;
when the difference value of the indoor return air temperature Ta and the indoor set temperature Td meets a second starting temperature range, the heat pump unit operates, and the fan coil operates at a second preset air speed; judging whether the absolute value of the difference between the heat pump unit return water temperature Ts and the indoor set temperature Td meets a second shutdown temperature range or not, and when the absolute value of the difference between the heat pump unit return water temperature Ts and the indoor set temperature Td meets the second shutdown temperature range, shutting down the heat pump unit and keeping a fan coil running at a second preset air speed;
the value in the first boot temperature range is greater than the value in the second boot temperature range;
the upper limit value of the first shutdown temperature range is greater than the upper limit value of the second shutdown temperature range;
the first preset wind speed is less than the second preset wind speed.
In some embodiments of the present application, the controller is further configured to;
when the difference value between the indoor return air temperature Ta and the indoor set temperature Td does not meet the starting condition, the heat pump unit is stopped, and if the fan coil is in the running state at the moment, the fan coil is stopped after running for a set time.
In some embodiments of the present application, the air conditioning system further comprises:
the fresh air machine is used for providing fresh air indoors;
the controller is further configured to:
acquiring indoor actual air quality data;
and controlling the start and stop of the fresh air machine according to the indoor actual air quality data.
In some embodiments of this application, according to the start-stop of indoor actual air quality data control new trend machine, specifically include:
judging whether the indoor actual air quality data is within a set concentration range;
when the indoor actual air quality data are within the set concentration range, calculating a deviation value r alpha of the indoor actual air quality data and the target air quality data;
calculating a deviation ratio r alpha' = the deviation value r alpha calculated this time-the deviation value calculated last time;
and controlling the rotating speed of the fresh air fan according to the deviation value r alpha and the deviation rate r alpha' calculated at this time.
In some embodiments of the present application, the controlling the rotation speed of the fresh air machine according to the currently calculated deviation value r α and the deviation ratio r α' specifically includes:
when the r alpha reaches the set deviation value and the r alpha' reaches the set deviation rate, the new fan operates at a first set rotating speed;
when the r alpha reaches the set deviation value and the r alpha' does not reach the set deviation rate, the new fan operates at a second set rotating speed;
when the r alpha does not reach the set deviation value and the r alpha' reaches the set deviation rate, the new fan operates at a third set rotating speed;
when the r alpha does not reach the set deviation value and the r alpha' does not reach the set deviation rate, the new fan operates at a fourth set rotating speed;
wherein, the first set rotating speed is larger than the second set rotating speed and larger than the third set rotating speed and larger than the fourth set rotating speed.
In some embodiments of the present application, the controller is further configured;
when the indoor actual air quality data exceeds the upper limit value of the set concentration range, the fresh air fan operates at a first set rotating speed;
when the indoor actual air quality data does not exceed the lower limit value of the set concentration range, the new air blower is stopped.
In some embodiments of the present application, the air conditioning system further comprises:
a humidifier and a dehumidifier for adjusting indoor humidity;
the controller further configured to: the humidification/dehumidification amount and the humidification/dehumidification time of the humidifier/dehumidifier are controlled according to the actual indoor humidity.
In some embodiments of the present disclosure, the water storage portion of the humidifier is connected to the heat pump unit through a water pipeline; the coil pipe of the dehumidifier is also connected with the heat pump unit through a water pipeline.
In some embodiments of the present application, the controller is further configured to:
firstly, controlling the operation of a fresh air machine according to indoor actual air quality data;
when the new fan is stopped, the operation of the heat pump unit and the fan coil is controlled according to the indoor return air temperature and the indoor set temperature;
and after the fan coil is stopped, controlling the humidifying amount/dehumidifying amount and the humidifying time/dehumidifying time of the humidifier/dehumidifier according to the actual indoor humidity.
Compared with the prior art, the technical scheme of the invention has the following technical effects: the air conditioning system judges whether the starting condition is met or not according to the difference value of the indoor return air temperature Ta and the indoor set temperature Td, and the heat pump unit and the fan coil are started to operate when the starting condition is met; then judging whether a shutdown condition is met or not through a difference value between the backwater temperature Ts of the heat pump unit and the indoor set temperature Td, and if the shutdown condition is met, stopping the heat pump unit and keeping the fan coil running; through indoor return air temperature Ta, indoor temperature Td, heat pump set return water temperature Ts opens and stops control to heat pump set, realize the accurate control to indoor temperature, improve the control accuracy to indoor temperature, prevent that heat pump set and fan coil pipe from frequently opening and stopping, prolong the life of heat pump set and fan coil pipe, satisfy user's indoor temperature demand, improve user's use and experience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are 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 diagram of an air conditioning system according to an embodiment of the present invention;
FIG. 2 is an electrical block diagram of one embodiment of an air conditioning system of the present invention;
FIG. 3 is a flow chart of one embodiment of a control method performed by a controller of the air conditioning system of the present invention;
FIG. 4 is a flow chart of another embodiment of a control method performed by a controller of the air conditioning system of the present invention;
FIG. 5 is a flow chart of another embodiment of a control method performed by a controller of the air conditioning system of the present invention;
FIG. 6 is a flow chart of another embodiment of a control method performed by a controller of the air conditioning system of the present invention;
FIG. 7 is a flowchart of another embodiment of a control method performed by a controller of the air conditioning system of the present invention;
FIG. 8 is a flowchart of a control method performed by a controller of an air conditioning system according to yet another embodiment of the present invention;
FIG. 9 is a flowchart of another embodiment of a control method performed by a controller of the air conditioning system of the present invention;
FIG. 10 is a flowchart of a control method performed by a controller of the air conditioning system according to yet another embodiment of the present invention;
fig. 11 is a flowchart illustrating a control method performed by a controller of an air conditioning system according to still another embodiment of the present invention.
Reference numerals are as follows:
1. a heat pump unit; 2. a fresh air dehumidifying and humidifying machine; 3. a fan coil; 4. a fan coil;
5. a water tank; 6. and (4) a water pump.
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 application.
In the description of the present application, it is to be understood that the terms "center," "upper," "lower," "front," "back," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The heat pump unit performs a cooling and heating cycle of the heat pump unit by using a compressor, a condenser, an expansion valve, and an evaporator. The cooling and heating cycle includes a series of processes involving compression, condensation, expansion, and evaporation to cool or heat an indoor space.
The low-temperature and low-pressure refrigerant enters the compressor, the compressor compresses the refrigerant gas in a high-temperature and high-pressure state, and the compressed refrigerant gas is discharged. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the heat pump unit refers to a portion of the refrigeration cycle including a compressor, an outdoor heat exchanger, and an outdoor fan, the indoor unit of the air conditioner includes portions of the indoor heat exchanger and the indoor fan, and a throttling device (such as a capillary tube or an electronic expansion valve) may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. The air conditioner performs a heating mode when the indoor heat exchanger serves as a condenser, and performs a cooling mode when the indoor heat exchanger serves as an evaporator.
The indoor heat exchanger and the outdoor heat exchanger are switched to be used as a condenser or an evaporator, a four-way valve is generally adopted, and specific reference is made to the arrangement of a conventional air conditioner, which is not described herein again.
The refrigeration working principle of the heat pump unit is as follows: the compressor works to enable the interior of the indoor heat exchanger (an evaporator at the moment in the indoor unit) to be in an ultralow-pressure state, liquid refrigerant in the indoor heat exchanger is rapidly evaporated to absorb heat, air blown out by the indoor fan is cooled through the coil pipe of the indoor heat exchanger to become cold air which is blown into a room, the evaporated and vaporized refrigerant is compressed by the compressor, is condensed into liquid in a high-pressure environment in the outdoor heat exchanger (a condenser at the moment in the outdoor unit) to release heat, and the heat is dissipated into the atmosphere through the outdoor fan, so that the refrigeration effect is achieved through circulation.
The heating working principle of the heat pump unit is as follows: the gaseous refrigerant is pressurized by the compressor to become high-temperature and high-pressure gas, and the high-temperature and high-pressure gas enters the indoor heat exchanger (the condenser at this time), is condensed, liquefied and released heat to become liquid, and simultaneously heats indoor air, thereby achieving the purpose of increasing the indoor temperature. The liquid refrigerant is decompressed by the throttling device, enters the outdoor heat exchanger (an evaporator at the moment), is evaporated, gasified and absorbs heat to form gas, absorbs heat of outdoor air (the outdoor air becomes cooler) to form gaseous refrigerant, and enters the compressor again to start the next cycle.
The air conditioning system of the embodiment comprises a heat pump unit 1, a fan coil, a controller and the like.
The heat pump unit is a variable-frequency air source heat pump unit, and cold water and hot water can be output by the heat pump unit during refrigeration and heating and are supplied to the tail end of water. The tail end of the water is provided with a fan coil, a floor heating device and the like.
The air conditioning system includes a plurality of fan coils. For example, the air conditioning system includes a fan coil 3 and a fan coil 4, both fan coils being connected in parallel.
The heat pump unit 1 has a water inlet pipe, a water outlet pipe, a water pump 6 and a water tank 5, as shown in fig. 1. The water pump 6 is arranged on a water inlet pipe or a water outlet pipe of the heat pump unit 1 and provides power for water circulation. The fan coil is connected with the heat pump unit 1 through a water pipeline.
And the controller is used for respectively controlling the operation of the heat pump unit, the fan coil, the water pump and the like, and is shown in figure 2.
In the air conditioning system of the present embodiment, the controller is configured to: acquiring indoor return air temperature Ta and indoor set temperature Td; when the difference value of the indoor return air temperature Ta and the indoor set temperature Td meets the starting condition, the heat pump unit and the fan coil operate; calculating the difference value between the return water temperature Ts of the heat pump unit and the indoor set temperature Td; when the difference value between the return water temperature Ts of the heat pump unit and the indoor set temperature Td meets the shutdown condition, the heat pump unit is shut down, and the fan coil keeps running.
The controller performs the following steps in detail, as shown in fig. 3.
Step S11: and obtaining an indoor return air temperature Ta and an indoor set temperature Td.
Step S12: and calculating the difference between the indoor return air temperature Ta and the indoor set temperature Td.
Step S13: and judging whether the difference value of the indoor return air temperature Ta and the indoor set temperature Td meets the starting-up condition or not.
When the difference between the indoor return air temperature Ta and the indoor set temperature Td satisfies the startup condition, step S14 is executed.
Step S14: the heat pump unit and the fan coil operate.
Step S15: and calculating the difference between the backwater temperature Ts of the heat pump unit and the indoor set temperature Td.
Step S16: and judging whether the difference value of the return water temperature Ts of the heat pump unit and the indoor set temperature Td meets the shutdown condition.
When the difference value between the return water temperature Ts of the heat pump unit and the indoor set temperature Td meets the shutdown condition, executing a step S17: the heat pump unit is stopped, and the fan coil keeps running.
In the air conditioning system of the embodiment, whether a starting condition is met is judged by a difference value of an indoor return air temperature Ta and an indoor set temperature Td, and a heat pump unit and a fan coil are started to operate when the starting condition is met; then judging whether a shutdown condition is met or not through a difference value of a backwater temperature Ts of the heat pump unit and an indoor set temperature Td, and stopping the heat pump unit when the shutdown condition is met and keeping the fan coil running; through indoor return air temperature Ta, indoor set temperature Td, heat pump set return water temperature Ts open and stop heat pump set and control, realize the accurate control to indoor temperature, improve the control accuracy to indoor temperature, prevent that heat pump set and fan coil pipe from frequently opening and stopping, prolong the life of heat pump set and fan coil pipe, satisfy user's indoor temperature demand, improve user's use and experience.
In some embodiments of the present application, in step S17, when the difference between the return water temperature Ts of the heat pump unit and the indoor set temperature Td satisfies the shutdown condition, the heat pump unit is shutdown, and the fan coil keeps running, which specifically includes:
(17-1) when the difference between the indoor return air temperature Ta and the indoor set temperature Td meets the first startup temperature range, that is, the difference between Ta and Td is within the first startup temperature range, which indicates that the indoor return air temperature Ta does not reach the indoor set temperature Td and the difference between the two is not large, the following steps are performed, as shown in fig. 4.
Step S17-11: the heat pump unit operates, and the fan coil operates at a first preset air speed.
Step S17-12: and calculating the absolute value of the difference between the return water temperature Ts of the heat pump unit and the indoor set temperature Td.
Step S17-13: and judging whether the absolute value of the difference between the backwater temperature Ts and the indoor set temperature Td of the heat pump unit meets a first shutdown temperature range. That is, it is determined whether the absolute value of the difference between Ts and Td is within the first shutdown temperature range.
When the absolute value of the difference value between the return water temperature Ts and the indoor set temperature Td of the heat pump unit meets a first shutdown temperature range, and the difference between the return water temperature Ts and the indoor set temperature Td is not large, executing the step S17-14: the heat pump unit is stopped to save energy, and the fan coil keeps the first preset air speed to operate so as to ensure the indoor temperature requirement.
(17-2) when the difference between the indoor return air temperature Ta and the indoor set temperature Td meets the second startup temperature range, namely the difference between Ta and Td is within the second startup temperature range, which indicates that the indoor return air temperature Ta does not reach the indoor set temperature Td and the difference between Ta and Td is larger, the following steps are executed, as shown in fig. 5.
Step S17-21: the heat pump unit operates, and the fan coil operates at a second preset air speed.
Step S17-22: and calculating the absolute value of the difference between the return water temperature Ts of the heat pump unit and the indoor set temperature Td.
Step S17-23: and judging whether the absolute value of the difference between the backwater temperature Ts and the indoor set temperature Td of the heat pump unit meets a second shutdown temperature range. Namely, whether the absolute value of the difference between Ts and Td is within the second shutdown temperature range is judged.
When the absolute value of the difference value between the return water temperature Ts and the indoor set temperature Td of the heat pump unit meets a second shutdown temperature range, and the difference between the return water temperature Ts and the indoor set temperature Td is not large, executing the step S17-24: the heat pump unit is shut down to save energy, and the fan coil keeps the second preset air speed to operate to ensure the indoor temperature requirement.
The value in the first boot temperature range is greater than the value in the second boot temperature range;
the upper limit value of the first shutdown temperature range is greater than the upper limit value of the second shutdown temperature range;
the first preset wind speed is less than the second preset wind speed.
The starting-up conditions comprise a first starting-up temperature range and a second starting-up temperature range; the shutdown conditions include a first shutdown temperature range and a second shutdown temperature range. The starting conditions are different, and the corresponding stopping conditions are also different. The first start-up temperature range corresponds to a first shutdown temperature range, and the second start-up temperature range corresponds to a second shutdown temperature range.
Through subdividing start-up condition and shutdown condition, different start-up conditions correspond different shutdown conditions, realize the accurate control to indoor temperature, not only satisfied the user to indoor temperature's demand, the energy can be saved again, prevents that heat pump set and fan coil from frequently opening and stopping.
In some embodiments of the present application, the controller is further configured to perform the following steps, as illustrated with reference to fig. 6.
When the difference value between the indoor return air temperature Ta and the indoor set temperature Td does not meet the starting condition, the heat pump unit is shut down, and energy waste is avoided; if the fan coil is in the running state at the moment, the fan coil is stopped after running for a set time, and the indoor temperature requirement is ensured; if the fan coil is in the shutdown state at this time, the shutdown state is maintained.
When the difference value between the indoor return air temperature Ta and the indoor set temperature Td does not meet the starting condition, the time length of delayed closing of the fan coil is determined according to the difference value between the indoor return air temperature Ta and the indoor set temperature Td, energy is saved, the requirement of a user on the indoor temperature is met, and the heat pump unit and the fan coil are prevented from being started and stopped frequently.
The operation of the heat pump unit and the fan coil will be described in detail below with reference to an embodiment.
The starting conditions are as follows: ta-Td < 0;
the first boot temperature range is: ta-Td < 0 at-2 ℃;
the second start-up temperature range is: ta-Td is less than or equal to-2 ℃;
the shutdown conditions were: the | Ts-Td | is less than or equal to 3 ℃;
the first shutdown temperature range is: the | Ts-Td | is less than or equal to 3 ℃;
the second shutdown temperature range is: the temperature of the Ts-Td is less than or equal to 1 ℃.
Detecting indoor return air temperature Ta, return water temperature Ts and indoor set temperature Td of the heat pump unit;
when the temperature is lower than 2 ℃ and is lower than Ta-Td, the starting condition is not met, the heat pump unit is shut down, and meanwhile, the fan coil runs at a low speed for a first set time and is shut down. And (4) judging whether the starting-up condition is met again after t1 time, and controlling the start and stop of the heat pump unit and the fan coil according to Ta.
When Ta-Td is more than 0 and less than or equal to 2 ℃, the starting condition is not met, the heat pump unit is shut down, and meanwhile, the fan coil is shut down after running at a low speed for a second set time; the second set duration is less than the first set duration. And (4) judging whether the starting-up condition is met again after t2 time, and controlling the start and stop of the heat pump unit and the fan coil according to Ta.
When the temperature is higher than minus 2 ℃ and lower than Ta-Td, the starting condition is met, the heat pump unit operates, the fan coil continuously operates at a medium speed (a first preset air speed), and when the relation between the backwater water temperature Ts of the heat pump unit and the indoor set temperature Td reaches the temperature of | Ts-Td | < 3 ℃, the shutdown condition is met, the heat pump unit is shut down, and the fan coil continuously operates at a medium speed. And (4) judging whether the starting-up condition is met again after t3 time, and controlling the start and stop of the heat pump unit and the fan coil according to Ta.
When the temperature of Ta-Td is less than or equal to minus 2 ℃, the starting condition is met, the heat pump unit continuously loads and operates, the air disc continuously operates at a high speed (a second preset air speed), when the relation between the return water temperature Ts of the host and the indoor set temperature Td reaches the temperature of | Ts-Td | < 1 ℃, the shutdown condition is met, the heat pump unit is shut down, and the fan coil continuously operates at a high speed. And (5) judging whether the starting condition is met or not again after t4 time, and controlling the start and stop of the heat pump unit and the fan coil according to Ta.
The air conditioning system continuously detects indoor return air temperature Ta, judges the relation with indoor set temperature Td, and carries out start-stop linkage control on a fan coil and a heat pump unit to realize constant temperature control on indoor temperature.
In some embodiments of the present application, in order to improve the indoor air quality, the air conditioning system further includes a fresh air blower for providing fresh air indoors.
The controller is further configured to perform the following steps, as illustrated with reference to fig. 7.
Step S21: and acquiring indoor actual air quality data.
Step S22: and controlling the start and stop of the fresh air machine according to the indoor actual air quality data.
By arranging the fresh air machine and controlling the start and stop of the fresh air machine according to the indoor actual air quality data, the indoor air quality is improved, and energy is saved.
Air quality data includes CO 2 Concentration value, PM2.5 concentration value, VOC value, etc.
The fresh air fan can be communicated with the outdoor space, and introduces outdoor fresh air into the room, so that the quality of indoor air is improved; the indoor return air can be introduced into the total heat exchanger in the fresh air machine, filtered and disinfected and then returned to the indoor space, so that the indoor air quality is improved.
In some embodiments of the present application, step S22, controlling the start and stop of the fresh air machine according to the indoor actual air quality data specifically includes the following steps, which are shown in fig. 8.
Step S21: and acquiring indoor actual air quality data.
Step S22-1: and judging whether the indoor actual air quality data is in a set concentration range.
When the indoor actual air quality data is within the set concentration range, step S22-2 is performed.
Step S22-2: a deviation value r α of the indoor actual air quality data α from the target air quality data α 1 is calculated. r α = α - α 1.
Step S22-3: calculating a deviation ratio r α' = the deviation value r α calculated this time-the deviation value calculated last time.
Air quality data is sensed once per sensing period.
The deviation ratio r α' = deviation value calculated in this detection cycle r α — deviation value calculated in the previous detection cycle.
Step S22-4: and controlling the rotating speed of the fresh air fan according to the deviation value r alpha and the deviation rate r alpha' calculated at this time.
The deviation value r alpha represents the difference between the indoor actual air quality data and the target air quality data, the deviation rate r alpha ' represents the change trend of the indoor actual air conditioner quality data, the deviation value r alpha and the deviation rate r alpha ' can represent the indoor air quality at the moment, the rotating speed of the fresh air fan is controlled according to the deviation value r alpha and the deviation rate r alpha ', the rotating speed of the fresh air fan can be accurately controlled, the fresh air introducing amount is controlled, the indoor air quality is improved, the constant oxygen control is realized, the control precision of the indoor air quality is improved, and the fresh air fan is prevented from being started and stopped frequently.
In some embodiments of the present application, in step S22-4, the rotation speed of the fresh air machine is controlled according to the deviation value r α and the deviation ratio r α' calculated this time, which specifically includes the following steps:
(1) When the r alpha reaches the set deviation value and the r alpha' reaches the set deviation rate, the indoor air quality data is larger and the change trend is larger, the new fan is controlled to operate at the first set rotating speed, so that the indoor air quality is improved as soon as possible.
(2) And when the r alpha reaches the set deviation value and the r alpha' does not reach the set deviation rate, indicating that the indoor air quality data is larger, and controlling the fresh air fan to operate at a second set rotating speed if the variation trend is smaller.
(3) And when the r alpha does not reach the set deviation value and the r alpha' reaches the set deviation rate, indicating that the indoor air quality data is smaller, but the change trend is larger, controlling the fresh air fan to operate at a third set rotating speed.
(4) And when the r alpha does not reach the set deviation value and the r alpha' does not reach the set deviation rate, the indoor air quality data is small, but the variation trend is smaller, and the fresh air fan is controlled to operate at a fourth set rotating speed.
Wherein, the first set rotating speed is larger than the second set rotating speed and larger than the third set rotating speed and larger than the fourth set rotating speed.
In some embodiments, the offset value is set to 0.
And the rotating speed of the fresh air machine is controlled according to the deviation value r alpha and the deviation rate r alpha', so that the indoor air quality is improved, and the energy waste is avoided.
In some embodiments of the present application, when the indoor actual air quality data is not within the set concentration range, the controller is further configured to perform the following steps, as shown in fig. 9.
When the indoor actual air quality data exceeds the upper limit value of the set concentration range, the indoor air quality is very poor, and the fresh air fan operates at a first set rotating speed, so that the indoor air quality is rapidly improved.
When the indoor actual air quality data does not exceed the lower limit value of the set concentration range, the indoor air quality is very good, and the fresh air fan is stopped, so that energy is saved.
The target air quality data is the lower limit value of the set concentration range.
Next, by way of an embodiment, with indoor CO 2 The operation of the fresh air machine will be described in detail by taking the concentration as an example.
The concentration range is set as (350PPM, 450PPM), and the target air mass data is 350PPM.
(1) Detecting indoor actual CO 2 The concentration value alpha.
(2) When alpha is more than 450PPM, the upper limit value of the set concentration range is exceeded, indicating that indoor CO is in the room 2 The content is very high, and the new trend mode of new fan is opened automatically, and new fan keeps moving with high-speed H (first settlement rotational speed).
(3) When alpha is less than or equal to 350PPM and does not exceed the lower limit value of the set concentration range, indicating that indoor CO is 2 The content is very low, closes the new trend mode, and new fan shuts down.
(4) When alpha is more than 350PPM and less than or equal to 450PPM, the fresh air fan operates in a fresh air mode, and the rotation speed of the fan operates according to the following control logic:
calculating actual CO every 60 seconds 2 Concentration value and target CO 2 A deviation value r α of the density value, and a deviation ratio r α'.
When r alpha is more than 50 and the deviation rate r alpha' is more than 0, the new fan continuously operates in a high-speed H mode (a first set rotating speed);
when r alpha is more than 50 and the deviation ratio r alpha' is less than or equal to 0, the fresh air fan continuously operates in a medium-speed M1 mode (a second set rotating speed);
when the r alpha is less than or equal to 50 and the deviation rate r alpha' is greater than 0, the fresh air fan continuously operates in a medium-speed M2 mode (a third set rotating speed);
when r alpha is less than or equal to 50 and the deviation rate r alpha' is less than or equal to 0, the new fan continuously operates in a low-speed L mode (a fourth set rotating speed).
According to CO 2 And (4) opening the fresh air fan in a staged manner to avoid indoor heat loss and reduce the room temperature too fast.
In some embodiments of the present application, in order to ensure a suitable humidity in the room, the air conditioning system further includes a humidifier and a dehumidifier for adjusting the humidity in the room.
A controller further configured to: the humidifying amount/dehumidifying amount and the humidifying time/dehumidifying time of the humidifier/dehumidifier are controlled according to the actual indoor humidity.
The controller specifically performs the following steps, as shown in fig. 10.
Step S31: and detecting the actual indoor humidity.
Step S32: and judging whether the actual indoor humidity is within the set humidity range.
If the actual indoor humidity is within the set humidity range, which indicates that the indoor humidity is proper, and the humidifier and the dehumidifier do not need to be turned on, step S33 is executed: the humidifier and dehumidifier are shut down.
If the actual indoor humidity is not within the set humidity range, step S34 is performed:
and if the actual indoor humidity exceeds the upper limit value of the set humidity range, which indicates that the indoor humidity is larger, starting the dehumidifier to set the dehumidification capacity and set the dehumidification time to operate. And the larger the actual indoor humidity is, the longer the dehumidification amount and the dehumidification time of the dehumidifier are.
If the actual indoor humidity is lower than the lower limit value of the set humidity range, the indoor humidity is relatively low, and the humidifier is started to set the humidification amount and set the humidification time to operate. And the smaller the actual humidity in the chamber, the longer the humidification amount and humidification time of the humidifier.
The humidification quantity and the humidification time of the humidifier and the dehumidification quantity and the dehumidification time of the dehumidifier are controlled according to the actual indoor humidity, so that the accurate control of the indoor humidity is realized, the control precision of the indoor humidity is improved, the humidifier and the dehumidifier are prevented from being started and stopped frequently, the constant humidity control is realized, and the purpose of saving energy is achieved.
In still other embodiments of the present application, the controller performs the following constant humidity control:
detecting the actual indoor humidity RH;
if the humidity is more than 80% < RH and lasts for 5 minutes, the dehumidifier is closed after running for 10 minutes according to the dehumidification quantity Q1;
if the RH is more than 50% and less than 80%, the dehumidifier is operated according to the dehumidification quantity Q2 for 5 minutes;
if the RH is more than 30% and less than 50% and the time lasts for 5 minutes, the humidifier is operated according to the humidification quantity Q3;
if RH < 30% lasts for 5 minutes, the humidifier is operated with a humidification quantity Q4.
Continuously detecting the indoor humidity RH, controlling the humidification and dehumidification in gradient to ensure that the indoor humidity reaches the appropriate humidity.
In some embodiments of the present application, the water storage portion of the humidifier is connected to the heat pump unit through a water pipeline; the water in the water storage part of the humidifier and the heat pump unit realize water circulation, so that the humidification water of the humidifier is ensured, and the cleanness of the water in the water storage part of the humidifier can be ensured due to the water circulation flowing.
The coil pipe of the dehumidifier is also connected with the heat pump unit through a water pipeline to realize water circulation. When the dehumidifier dehumidifies, the heat pump unit provides chilled water for the dehumidifier, and the dehumidifier cools and dehumidifies through the chilled water in the coil pipe of the dehumidifier.
The humidifier, the dehumidifier and the fan coil are respectively connected with a water tank 5 of the heat pump unit through respective water inlet and outlet pipes, and water circulation with the heat pump unit is respectively realized.
As shown in fig. 1, in order to facilitate installation and use, a humidifier, a dehumidifier and a fresh air fan are integrated together to form a fresh air humidifying dehumidifier 2. The fresh air humidification dehumidifier 2 has a fresh air mode (fresh air fan start), a humidification mode (humidifier start), and a dehumidification mode (dehumidifier start).
The air conditioning system of the present embodiment further includes various sensors, which are respectively connected to the controller, as shown in fig. 2.
And the return water temperature sensor is arranged on a water inlet pipe of the heat pump unit and used for detecting the return water temperature of the heat pump unit and sending the return water temperature to the controller.
And the return air temperature sensor is arranged at a return air inlet of the fan coil and used for detecting the indoor return air temperature and sending the indoor return air temperature to the controller.
And the humidity sensor is arranged on the humidifier and the dehumidifier and used for detecting the indoor humidity and sending the indoor humidity to the controller.
An air quality detection module installed on the fresh air machine for detecting indoor CO 2 Concentration value, VOC value, PM2.5 concentration value, etc., and sent to the controller.
In other embodiments of the present application, the controller is further configured to perform the following steps, as shown in fig. 11.
Step S41: firstly, the operation of the fresh air machine is controlled according to the indoor actual air quality data. The fresh air machine is used for adjusting the indoor air quality, and constant oxygen control is realized. Namely, the above steps S21 to S22 are executed.
Step S42: when the new fan is stopped, the operation of the heat pump unit and the fan coil is controlled according to the indoor return air temperature and the indoor set temperature. The indoor temperature is adjusted by utilizing the heat pump unit and the fan coil pipe, so that the constant temperature control is realized. Namely, the above steps S11 to S17 are executed.
Step S43: and after the fan coil is stopped, controlling the humidifying amount/dehumidifying amount and the humidifying time/dehumidifying time of the humidifier/dehumidifier according to the indoor actual humidity. The humidity in the room is adjusted by utilizing a humidifier and a dehumidifier, and constant humidity control is realized. Namely, the above steps S31 to S34 are executed.
The indoor air quality is adjusted by the aid of the fresh air fan, the indoor temperature is adjusted by the aid of the fan coil, and the indoor humidity is adjusted by the aid of the humidifier and the dehumidifier, so that indoor constant-oxygen constant-temperature constant-humidity control is achieved, user requirements are met, and user experience is improved.
The air conditioning system of the embodiment is a three-constant system, namely constant oxygen, constant temperature and constant humidity. Taking the heating mode as an example, when the heating mode is started in winter, the fresh air fan is started firstly to perform constant oxygen control to replace indoor air so as to ensure that indoor CO is generated 2 The concentration reaches the lowest; then, constant temperature regulation control is carried out, and a fan coil or a floor heating mode is started, so that the indoor temperature is comfortable; then the indoor humidity control is carried out, and the indoor humidity is properly humidified in winter so as to achieve the optimal constant temperature, humidity and oxygen environment of the human body.
The air conditioning system of the embodiment is a triple constant energy-saving control system suitable for all-area climate environment. Through the composite design of a water system and a fresh air system, a more comfortable and healthy modern indoor living and living environment is established; by adjusting temperature, humidity and CO 2 Pre-diagnosing the content to control the gradient; the frequent start and stop of equipment are avoided, the unit is more efficient and energy-saving, and a comfortable indoor air quality solution is provided.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. An air conditioning system, comprising:
a heat pump unit;
the fan coil is connected with the heat pump unit through a water pipeline;
a controller configured to:
acquiring an indoor return air temperature Ta and an indoor set temperature Td;
when the difference value of the indoor return air temperature Ta and the indoor set temperature Td meets the starting condition, the heat pump unit and the fan coil operate; calculating the difference value between the return water temperature Ts of the heat pump unit and the indoor set temperature Td; when the difference value between the return water temperature Ts of the heat pump unit and the indoor set temperature Td meets the shutdown condition, the heat pump unit is shut down, and the fan coil keeps running.
2. The air conditioning system of claim 1, wherein: when the difference between the return water temperature Ts of the heat pump unit and the indoor set temperature Td meets the shutdown condition, the heat pump unit is shut down, and the fan coil keeps running, and the method specifically comprises the following steps:
when the difference value of the indoor return air temperature Ta and the indoor set temperature Td meets a first starting temperature range, the heat pump unit operates, and the fan coil operates at a first preset air speed; judging whether the absolute value of the difference between the heat pump unit return water temperature Ts and the indoor set temperature Td meets a first shutdown temperature range, and when the absolute value of the difference between the heat pump unit return water temperature Ts and the indoor set temperature Td meets the first shutdown temperature range, shutting down the heat pump unit and keeping a fan coil running at a first preset air speed;
when the difference value of the indoor return air temperature Ta and the indoor set temperature Td meets a second starting temperature range, the heat pump unit operates, and the fan coil operates at a second preset air speed; judging whether the absolute value of the difference between the heat pump unit return water temperature Ts and the indoor set temperature Td meets a second shutdown temperature range or not, and when the absolute value of the difference between the heat pump unit return water temperature Ts and the indoor set temperature Td meets the second shutdown temperature range, shutting down the heat pump unit and keeping a fan coil running at a second preset air speed;
the value in the first boot temperature range is greater than the value in the second boot temperature range;
the upper limit value of the first shutdown temperature range is greater than the upper limit value of the second shutdown temperature range;
the first preset wind speed is less than the second preset wind speed.
3. The air conditioning system of claim 1, wherein: the controller is further configured to;
when the difference value between the indoor return air temperature Ta and the indoor set temperature Td does not meet the starting condition, the heat pump unit is stopped, and if the fan coil is in the running state at the moment, the fan coil is stopped after running for a set time.
4. The air conditioning system according to any one of claims 1 to 3, characterized in that: the air conditioning system further includes:
the fresh air machine is used for providing fresh air indoors;
the controller is further configured to:
acquiring indoor actual air quality data;
and controlling the start and stop of the fresh air machine according to the indoor actual air quality data.
5. The air conditioning system of claim 4, wherein: the start and stop of new fan is controlled according to indoor actual air quality data, specifically including:
judging whether the indoor actual air quality data is in a set concentration range;
when the indoor actual air quality data is within the set concentration range, calculating a deviation value r alpha of the indoor actual air quality data and the target air quality data;
calculating a deviation ratio r alpha' = the deviation value r alpha calculated this time-the deviation value calculated last time;
and controlling the rotating speed of the fresh air fan according to the deviation value r alpha and the deviation rate r alpha' calculated at this time.
6. The air conditioning system of claim 5, wherein: the controlling the rotating speed of the fresh air machine according to the deviation value r alpha and the deviation rate r alpha' calculated at this time specifically comprises the following steps:
when the r alpha reaches the set deviation value and the r alpha' reaches the set deviation rate, the new fan operates at a first set rotating speed;
when the r alpha reaches the set deviation value and the r alpha' does not reach the set deviation rate, the new fan operates at a second set rotating speed;
when the r alpha does not reach the set deviation value and the r alpha' reaches the set deviation rate, the new fan operates at a third set rotating speed;
when the r alpha does not reach the set deviation value and the r alpha' does not reach the set deviation rate, the new fan operates at a fourth set rotating speed;
wherein, the first set rotating speed is larger than the second set rotating speed and larger than the third set rotating speed and larger than the fourth set rotating speed.
7. The air conditioning system of claim 4, wherein: the controller is further configured to;
when the indoor actual air quality data exceeds the upper limit value of the set concentration range, the fresh air fan operates at a first set rotating speed;
when the indoor actual air quality data does not exceed the lower limit value of the set concentration range, the new air blower is stopped.
8. The air conditioning system of claim 4, wherein: the air conditioning system further includes:
a humidifier and a dehumidifier for adjusting indoor humidity;
the controller further configured to: the humidifying amount/dehumidifying amount and the humidifying time/dehumidifying time of the humidifier/dehumidifier are controlled according to the actual indoor humidity.
9. The air conditioning system of claim 8, wherein: the water storage part of the humidifier is connected with the heat pump unit through a water pipeline; the coil pipe of the dehumidifier is also connected with the heat pump unit through a water pipeline.
10. The air conditioning system of claim 8, wherein: the controller is further configured to:
firstly, controlling the operation of a fresh air machine according to indoor actual air quality data;
when the new fan is stopped, the operation of the heat pump unit and the fan coil is controlled according to the indoor return air temperature and the indoor set temperature;
and after the fan coil is stopped, controlling the humidifying amount/dehumidifying amount and the humidifying time/dehumidifying time of the humidifier/dehumidifier according to the indoor actual humidity.
CN202211268908.1A 2022-10-17 2022-10-17 Air conditioning system Pending CN115597210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211268908.1A CN115597210A (en) 2022-10-17 2022-10-17 Air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211268908.1A CN115597210A (en) 2022-10-17 2022-10-17 Air conditioning system

Publications (1)

Publication Number Publication Date
CN115597210A true CN115597210A (en) 2023-01-13

Family

ID=84847704

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211268908.1A Pending CN115597210A (en) 2022-10-17 2022-10-17 Air conditioning system

Country Status (1)

Country Link
CN (1) CN115597210A (en)

Similar Documents

Publication Publication Date Title
CN101109592B (en) Temperature emergent state controlling means for air conditioner compressor air suction port
CN111351248A (en) Air conditioning system and control method
CN108131804B (en) Air conditioning system capable of controlling air outlet humidity through dew point temperature and control method thereof
CN113432210A (en) Fresh air dehumidification all-in-one
JP3835453B2 (en) Air conditioner
CN114165899B (en) Multi-split system
CN112344461B (en) Water system air conditioner
CN111928435A (en) Air conditioner
JP2009002635A (en) Heat source machine, its control method, heat source system and its operating method
CN110118418A (en) A kind of auxiliary heat of air conditioner electric removes condensation control method and air conditioner
CN111720970B (en) Control method of air conditioner
JP3668750B2 (en) Air conditioner
CN115597210A (en) Air conditioning system
CN113883579B (en) Water system air conditioner
CN110006103A (en) A kind of temp and humidity regulator and adjusting method
JP4074422B2 (en) Air conditioner and its control method
CN112283896B (en) Air conditioner and fresh air module self-starting noise control method
CN111947283B (en) Air conditioner and temperature compensation control method
CN114151935A (en) Air conditioning system
CN114165844A (en) Air conditioner
CN215723700U (en) Air conditioner indoor unit, air conditioner and multi-split air conditioning system
CN113983587B (en) Air conditioner and dehumidification method thereof
CN115899841A (en) Air conditioner and fresh air heating method of air conditioner
CN115875749A (en) Air conditioner and fresh air control method of air conditioner
CN116293934A (en) Air conditioner and fresh air control method of air conditioner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination