CN114034112A - Modular air conditioning system, control method, device and equipment thereof, and air conditioner - Google Patents

Modular air conditioning system, control method, device and equipment thereof, and air conditioner Download PDF

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Publication number
CN114034112A
CN114034112A CN202111284317.9A CN202111284317A CN114034112A CN 114034112 A CN114034112 A CN 114034112A CN 202111284317 A CN202111284317 A CN 202111284317A CN 114034112 A CN114034112 A CN 114034112A
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China
Prior art keywords
temperature
heat exchange
assembly
switch
capacity
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CN202111284317.9A
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Chinese (zh)
Inventor
刘金喜
吴鹏
李权威
尹志明
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Priority to CN202111284317.9A priority Critical patent/CN114034112A/en
Publication of CN114034112A publication Critical patent/CN114034112A/en
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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
    • 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
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature

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

Abstract

The invention relates to a modular air conditioning system, a control method, a control device, equipment and an air conditioner thereof, belonging to the technical field of air conditioners. When the target temperature adjusting capacity is higher than the adjusting capacity of the temperature subsystem with poor temperature adjusting capacity and lower than the adjusting capacity of other temperature subsystems, the number of the heat exchange assemblies connected into the operation system can be adjusted through adjusting the on-off state of the switch assembly, so that the sharing of different heat exchange assemblies is realized, the heat exchange area of the operation system is increased, the temperature adjusting capacity of the total system is improved, and the energy saving performance of the operation of the module machine system is improved.

Description

Modular air conditioning system, control method, device and equipment thereof, and air conditioner
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a modular air conditioning system, a control method, a control device, control equipment and an air conditioner.
Background
The modular machine can solve the problem of machine placement, can be freely combined according to the requirement of load size, can be increased and decreased at will, is convenient to use, and is widely used in building air-conditioning engineering. For example, hotels, apartments, hotels, office buildings, shopping malls, movie theaters, factories, hospitals, etc., have high requirements for noise and surrounding environment, and the central air-conditioning module machine is an ideal choice.
When the modules in the module machine are controlled, a plurality of modules in the module machine can be simultaneously controlled through one hand operator. In order to achieve energy saving, in the related art, the energy saving purpose is usually achieved by improving the efficiency of the whole machine. However, when the energy efficiency of the whole machine is considered to be improved, other loads in the operation of a building system are easily ignored, so that the energy-saving effect is poor.
Therefore, how to further improve the energy saving performance of the modular machine system becomes a technical problem to be solved urgently in the prior art.
Disclosure of Invention
The invention provides a modular air conditioning system, a control method, a control device, modular air conditioning equipment and an air conditioner, and aims to solve the technical problem that a modular building system in the prior art is low in operation energy-saving performance.
The technical scheme provided by the invention is as follows:
in one aspect, a modular air conditioning system includes: a shell tube and at least two temperature subsystems; each of the temperature subsystems, comprising: a heat exchange assembly; both ends of each heat exchange assembly are communicated with both ends of the shell tube through communicating pipes;
the heat exchange assemblies are connected in parallel through parallel pipes;
each communicating pipe is provided with a switch assembly, so that the linkage use number of the heat exchange assemblies is adjusted through the switch state of the switch assembly.
Optionally, one end of each switch assembly is connected to one end of the parallel pipe and one end of the heat exchange assembly respectively.
Optionally, each of the communication pipes is provided with at least two switch assemblies.
Optionally, the parallel tubes are respectively arranged at two ends of the shell tube, and the parallel tubes are respectively arranged at two ends of the heat exchange assembly.
Optionally, the shell tube comprises a water inlet end and a water outlet end; each heat exchange assembly comprises a first end and a second end; the number of the water inlet ends and the number of the water outlet ends are both adapted to the number of the temperature subsystems;
the parallel pipes are arranged between the water inlet ends, and the parallel pipes are arranged between the water outlet ends;
the parallel pipes are arranged between the first ends, and the parallel pipes are arranged between the second ends.
Optionally, the temperature subsystem includes: a first temperature subsystem and a second temperature subsystem; the first temperature subsystem comprises a first heat exchange assembly; the second temperature subsystem, comprising: a second heat exchange assembly;
the first end of the first heat exchange assembly is connected with the first ends of the first parallel tubes; the first end of the second heat exchange assembly is connected with the second end of the first parallel pipe;
the second end of the first heat exchange assembly is connected with the first end of the second parallel pipe; the first end of the second heat exchange assembly is connected with the second end of the second parallel pipe;
the first water inlet end of the shell pipe is connected with the first end of the third parallel pipe; the first water outlet end of the shell pipe is connected with the first end of the fourth parallel pipe;
the second water inlet end of the shell pipe is connected with the second end of the third parallel pipe; and the second water outlet end of the shell tube is connected with the second end of the fourth parallel tube.
Optionally, the switch assembly includes: the first switch component, the second switch component, the third switch component, the fourth switch component, the fifth switch component, the sixth switch component, the seventh switch component and the eighth switch component;
the first end of the first switch assembly is connected with the first end of the first heat exchange assembly; the second end of the first switch component is connected with the first end of the second switch component; the second end of the second switch assembly is connected with the second water inlet end of the shell pipe;
the first end of the third switch component is connected with the first end of the second heat exchange component; the second end of the third switch component is connected with the first end of the fourth switch component; the second end of the fourth switch assembly is connected with the first water inlet end of the shell pipe;
the first end of the fifth switch assembly is connected with the second end of the first heat exchange assembly; the second end of the fifth switch component is connected with the first end of the sixth switch component; the second end of the sixth switch assembly is connected with the second water outlet end of the shell pipe;
the first end of the seventh switch component is connected with the second end of the second heat exchange component; the second end of the seventh switch component is connected with the first end of the eighth switch component; and the second end of the eighth switch assembly is connected with the first water outlet end of the shell pipe.
Optionally, the switch assembly includes a solenoid valve.
Optionally, the heat exchange assembly includes a fin heat exchanger.
Optionally, the method further includes: the control assembly is connected with the switch assembly; the control assembly is used for controlling the on-off state of the switch assembly.
In another aspect, a method for controlling a modular air conditioning system is applied to any one of the modular air conditioning systems; the method comprises the following steps:
acquiring target temperature regulation capacity;
judging the relation between the target temperature regulation capacity and the temperature regulation capacity of the temperature subsystem;
and adjusting the on-off state of the switch assembly according to the relation between the target temperature adjusting capacity and the temperature adjusting capacity of each temperature subsystem so as to adjust the linkage use number of the heat exchange assemblies.
Optionally, the modular air conditioning system is applied to the modular air conditioning system; the temperature regulation capacity of the temperature subsystem is a first temperature regulation capacity and a second temperature regulation capacity respectively, and the first temperature regulation capacity is smaller than the second temperature regulation capacity; the determining a relationship between the target temperature adjustment capability and the temperature adjustment capability of the temperature subsystem includes:
determining whether the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability;
according to the size relation between the target temperature regulation capacity and the temperature regulation capacity of each temperature subsystem, the on-off state of the switch assembly is regulated to regulate the linkage use number of the heat exchange assemblies, and the method comprises the following steps:
and if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, starting the temperature subsystem corresponding to the first temperature regulation capacity, and regulating the on-off state of the corresponding switch assembly, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner.
Optionally, if the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability, the temperature subsystem corresponding to the first temperature adjustment capability is turned on, and the on-off state of the corresponding switch assembly is adjusted, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner, including:
in a refrigeration mode, if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, the temperature subsystem corresponding to the first temperature regulation capacity is started, and the first switch assembly, the fourth switch assembly and the fifth switch assembly are regulated to be in a closed state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage mode.
Optionally, if the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability, the temperature subsystem corresponding to the first temperature adjustment capability is turned on, and the on-off state of the corresponding switch assembly is adjusted, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner, including:
in the heating mode, if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, the temperature subsystem corresponding to the first temperature regulation capacity is started, and the second switch assembly, the fifth switch assembly and the sixth switch assembly are regulated to be in a closed state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage mode.
In another aspect, a control device for a modular air conditioning system is applied to any one of the modular air conditioning systems, and the control device includes: the device comprises an acquisition module, a judgment module and an adjustment module;
the acquisition module is used for acquiring target temperature regulation capacity;
the judging module is used for judging the size relation between the target temperature regulating capacity and the temperature regulating capacity of the temperature subsystem;
and the adjusting module is used for adjusting the on-off state of the switch assembly according to the relation between the target temperature adjusting capacity and the temperature adjusting capacity of each temperature subsystem so as to adjust the linkage using number of the heat exchange assemblies.
In still another aspect, a control apparatus of a modular air conditioning system includes: a processor, and a memory coupled to the processor;
the memory is used for storing a computer program at least for executing the control method of the modular air conditioning system;
the processor is used for calling and executing the computer program in the memory.
In yet another aspect, an air conditioner includes a modular air conditioning system as described in any of the above.
The invention has the beneficial effects that:
according to the modular air conditioning system and the control method, device and equipment thereof and the air conditioner, the heat exchange assemblies of the subsystems with different temperatures are connected in parallel by arranging the parallel pipes, and the switch assembly is arranged on the communicating pipe, so that the linkage use number of the heat exchange assemblies is adjusted by adjusting the switch state of the switch assembly. When the target temperature adjusting capacity is higher than the adjusting capacity of the temperature subsystem with poor temperature adjusting capacity and lower than the adjusting capacity of other temperature subsystems, the number of the heat exchange assemblies connected into the operation system can be adjusted through adjusting the on-off state of the switch assembly, so that the sharing of different heat exchange assemblies is realized, the heat exchange area of the operation system is increased, the temperature adjusting capacity of the total system is improved, and the energy saving performance of the operation of the module machine system is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a modular air conditioning system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating a control method of a modular air conditioning system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control device of a modular air conditioning system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a control device of a modular air conditioning system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In order to at least solve the technical problems provided by the invention, embodiments of the invention provide a modular air conditioning system, a control method, a control device, equipment and an air conditioner thereof.
The first embodiment is as follows:
the embodiment of the invention provides a modular air conditioning system.
The modular air conditioning system provided by the embodiment of the invention can comprise: a shell tube and at least two temperature subsystems; each temperature subsystem comprising: a heat exchange assembly; both ends of each heat exchange assembly are communicated with both ends of the shell tube through communicating tubes; the heat exchange assemblies are connected in parallel through parallel pipes; each communicating pipe is provided with a switch assembly, and the linkage use number of the heat exchange assemblies is adjusted according to the switch state of the switch assembly.
In a particular modular air conditioning system, at least two temperature subsystems may be provided, each temperature subsystem being provided with a compressor for operation. Each temperature subsystem is provided with a heat exchange assembly, and the heat exchange assemblies are connected with the shell tubes through communicating tubes and are connected into the operating system. Through setting up the parallel connection pipe for heat exchange assemblies connects in parallel each other, sets up switch module on communicating pipe, thereby through the on-off state of adjusting switch module, adjusts heat exchange assembly's linkage and uses the number.
For example, the target temperature adjustment capability may be obtained manually or automatically; judging the relation between the target temperature regulation capacity and the temperature regulation capacity of the temperature subsystem; and adjusting the on-off state of the switch assembly according to the size relation between the target temperature adjusting capacity and the temperature adjusting capacity of each temperature subsystem so as to adjust the linkage use number of the heat exchange assemblies.
According to the modular air conditioning system provided by the embodiment of the invention, the heat exchange assemblies of different temperature subsystems are connected in parallel by arranging the parallel pipes, and the switch assembly is arranged on the communicating pipe, so that the linkage use number of the heat exchange assemblies is adjusted by adjusting the on-off state of the switch assembly. When the target temperature adjusting capacity is higher than the adjusting capacity of the temperature subsystem with poor temperature adjusting capacity and lower than the adjusting capacity of other temperature subsystems, the number of the heat exchange assemblies connected into the operation system can be adjusted through adjusting the on-off state of the switch assembly, so that the sharing of different heat exchange assemblies is realized, the heat exchange area of the operation system is increased, the temperature adjusting capacity of the total system is improved, and the energy saving performance of the operation of the module machine system is improved.
In some embodiments, optionally, the switch assembly comprises a solenoid valve.
For example, when the switch assembly is set to be a solenoid valve, a master controller may be set, and the master controller is connected to each solenoid valve to control the on-off state of each solenoid valve.
In some embodiments, optionally, the heat exchange assembly comprises a fin heat exchanger.
In some embodiments, optionally, one end of each switch assembly is connected to one end of the parallel pipe and one end of the heat exchange assembly respectively.
In some embodiments, optionally, at least two switch assemblies are disposed on each communication tube.
For example, at least two switch assemblies are arranged on a communicating pipe connected with each heat exchange assembly and a shell pipe, and on-off control is respectively carried out on two ends of the communicating pipe.
In some embodiments, optionally, parallel tubes are respectively disposed at two ends of the shell tube, and parallel tubes are respectively disposed at two ends of the heat exchange assembly.
In some embodiments, optionally, the casing comprises a water inlet end and a water outlet end; each heat exchange assembly comprises a first end and a second end; the number of the water inlet ends and the number of the water outlet ends are both adapted to the number of the temperature subsystems; parallel pipes are arranged between the water inlet ends, and parallel pipes are arranged between the water outlet ends; parallel pipes are arranged between the first ends, and parallel pipes are arranged between the second ends.
In the related art, the shell tube may be provided with a condenser shell tube and an evaporator shell tube according to the operation mode, and the evaporator shell tube or the condenser shell tube is shared in different operation modes.
In the embodiment of the present invention, a modular air conditioning system provided in the embodiment of the present invention is described by taking a dual system as an example, fig. 1 is a schematic structural diagram of a modular air conditioning system provided in the embodiment of the present invention, and specifically, illustrates a principle structure of an air-cooled modular cooling/heating unit system based on a dual system. Referring to fig. 1, optionally, the temperature subsystem may include: a first temperature subsystem and a second temperature subsystem; a first temperature subsystem comprising a first heat exchange assembly 11; a second temperature subsystem comprising: a second heat exchange assembly 12; the first end of the first heat exchange assembly is connected with the first end of the first parallel pipe 21; the first end of the second heat exchange assembly is connected with the second end of the first parallel pipe; the second end of the first heat exchange assembly is connected to the first end of the second parallel pipe 22; the first end of the second heat exchange assembly is connected with the second end of the second parallel pipe;
the first water inlet end 311 of the shell pipe 3 is connected with the first end of the third parallel pipe 23; the first water outlet end 321 of the shell tube is connected with the first end of the fourth parallel tube 24;
the second water inlet end 312 of the shell pipe is connected with the second end of the third parallel pipe; a second outlet end 322 of the casing is connected to the second end of the fourth parallel tube.
In some embodiments, optionally, the switch assembly, comprises: a first switch assembly 41, a second switch assembly 42, a third switch assembly 43, a fourth switch assembly 44, a fifth switch assembly 45, a sixth switch assembly 46, a seventh switch assembly 47, and an eighth switch assembly 48.
The first end of the first switch assembly is connected with the first end of the first heat exchange assembly; the second end of the first switch component is connected with the first end of the second switch component; the second end of the second switch assembly is connected with the second water inlet end of the shell pipe;
the first end of the third switch component is connected with the first end of the second heat exchange component; the second end of the third switch component is connected with the first end of the fourth switch component; the second end of the fourth switch assembly is connected with the first water inlet end of the shell pipe;
the first end of the fifth switch assembly is connected with the second end of the first heat exchange assembly; the second end of the fifth switch component is connected with the first end of the sixth switch component; the second end of the sixth switch assembly is connected with the second water outlet end of the shell pipe;
the first end of the seventh switch component is connected with the second end of the second heat exchange component; the second end of the seventh switch component is connected with the first end of the eighth switch component; the second end of the eighth switch assembly is connected with the first water outlet end of the shell pipe.
In a specific control process, the on-off state of the switch assembly can be manually or automatically adjusted according to specific requirements.
In some embodiments, optionally, the method further includes: the control assembly is connected with the switch assembly; the control assembly is used for controlling the switch state of the switch assembly.
For example, taking two systems as an example, the temperature regulation capacities of the temperature subsystems are a first temperature regulation capacity N1 and a second temperature regulation capacity N2, respectively, and the first temperature regulation capacity N1 is smaller than the second temperature regulation capacity N2; judging the relationship between the target temperature regulation capacity and the temperature regulation capacity of the temperature subsystem, comprising the following steps:
determining whether the target temperature adjustment capability N is between a first temperature adjustment capability N1 and a second temperature adjustment capability N2;
according to the big or small relation of the temperature regulation ability of target temperature regulation ability and every temperature subsystem, adjust the on-off state of switch subassembly to adjust heat exchange assemblies's linkage use number, include:
and if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, starting the temperature subsystem corresponding to the first temperature regulation capacity, and regulating the on-off state of the corresponding switch assembly to enable the first heat exchange assembly and the second heat exchange assembly to be used in a linkage manner.
In some embodiments, referring to fig. 1, in the cooling mode, if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, the temperature subsystem corresponding to the first temperature regulation capacity is turned on, and the first switch assembly, the fourth switch assembly and the fifth switch assembly are adjusted to be in the off state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner.
For example, referring to fig. 1, in the cooling mode, various parts of the first compressor 51 of the temperature subsystem are normally started and enter into a working state; the first switch assembly, the fourth switch assembly and the fifth switch assembly act and are in a closed state; the other switch assemblies are opened, and the condenser fins and the evaporator shell and tube of the temperature subsystem II are shared. When the target temperature regulation capacity is larger than the capacity set value of the second temperature subsystem (namely N2< N), the first switch assembly, the fifth switch assembly and the sixth switch assembly act and are in an opening state, and the two systems operate according to a normal state. The second compressor 52 is the compressor of the temperature subsystem two.
In some embodiments, referring to fig. 1, in the heating mode, if the target temperature regulation capability is between the first temperature regulation capability and the second temperature regulation capability, the temperature subsystem corresponding to the first temperature regulation capability is turned on, and the second switch assembly, the fifth switch assembly and the sixth switch assembly are adjusted to be in the off state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner.
For example, referring to fig. 1, in the heating mode, the temperature subsystem is normally started by the compressor and enters the working state; the second switch assembly, the fifth switch assembly and the sixth switch assembly act and are in a closed state; the remaining switch assemblies are open and the system two condenser shell tubes and evaporator fins are shared. When the target temperature regulation capacity is larger than the second capacity set value of the temperature subsystem (N2< N), the second switch assembly, the fifth switch assembly and the sixth switch assembly act and are in an opening state, and the two systems operate according to a normal state.
Wherein, can come to judge temperature regulation ability through the manual work, also can judge in real time through setting up the master controller, through the master controller is automatic to temperature regulation ability, trigger corresponding switch module and move.
It should be noted that the other components illustrated in fig. 1 are components of a dual-system air-cooled modular cooling and heating system in the prior art, and referring to fig. 1, the components are illustrated by taking any one of the temperature subsystems as an example, and include: the shell and tube comprises an exhaust temperature sensing bulb 101, a high-pressure switch 102, a four-way valve 103, an environmental temperature sensing bulb 104, a defrosting temperature sensing bulb 105, a first filter 106, an electronic expansion valve 107, a second filter 108, a first fluorine injection nozzle 112, a second fluorine injection nozzle 113, a heating low-pressure switch 114, a cooling low-pressure switch 115 and the like, and the shell and tube comprises a water inlet temperature sensing bulb 109, an anti-freezing temperature sensing bulb 110 and a water outlet temperature sensing bulb 111, wherein the connection relation of the above components is shown in fig. 1, wherein the direction indicated by an arrow A is the heating circulation direction, and the direction indicated by an arrow B is the cooling circulation direction, and details are not repeated in the embodiment of the invention.
The load check is carried out according to the difference between the indoor current temperature and humidity and the target temperature and humidity, and the check formula can be q-cm delta t + (h)Target-hIndoor use) Wherein h is an enthalpy value corresponding to the temperature; the cm delta t is a set constant and can be set by a user according to requirements; and q is a checking result, and a user can set a qualified checking result according to requirements.
The modular air conditioning system provided by the embodiment of the invention improves the energy saving performance of building equipment by solving the energy saving problem of the whole operation system, so that under the condition that the load is less and a single compressor shares two system condensers or evaporators, the capacity range is widened by utilizing the heat exchange assemblies of the two systems, the capacity and energy efficiency reach the optimal state, and the modular air conditioning system can be matched and used in areas with alternately frequent climate change.
Example two:
based on a general inventive concept, embodiments of the present invention also provide a control method of a modular air conditioning system.
Fig. 2 is a schematic flow chart of a control method of a modular air conditioning system according to an embodiment of the present invention, and the control method according to an embodiment of the present invention is applied to any one of the modular air conditioning systems, and referring to fig. 2, the method according to an embodiment of the present invention may include the following steps:
s1, acquiring target temperature adjusting capacity;
s2, judging the relation between the target temperature adjusting capacity and the temperature adjusting capacity of the temperature subsystem;
and S3, adjusting the on-off state of the switch assembly according to the size relation between the target temperature adjusting capacity and the temperature adjusting capacity of each temperature subsystem so as to adjust the linkage use number of the heat exchange assemblies.
In some embodiments, optionally, the temperature adjustment capabilities of the temperature subsystem are a first temperature adjustment capability and a second temperature adjustment capability, respectively, and the first temperature adjustment capability is smaller than the second temperature adjustment capability; judging the relationship between the target temperature regulation capacity and the temperature regulation capacity of the temperature subsystem, comprising the following steps:
determining whether the target temperature adjustment capability is between a first temperature adjustment capability and a second temperature adjustment capability;
according to the big or small relation of the temperature regulation ability of target temperature regulation ability and every temperature subsystem, adjust the on-off state of switch subassembly to adjust heat exchange assemblies's linkage use number, include:
and if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, starting the temperature subsystem corresponding to the first temperature regulation capacity, and regulating the on-off state of the corresponding switch assembly to enable the first heat exchange assembly and the second heat exchange assembly to be used in a linkage manner.
In some embodiments, optionally, if the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability, the temperature subsystem corresponding to the first temperature adjustment capability is turned on, and the on-off state of the corresponding switch assembly is adjusted, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner, including:
in the refrigeration mode, if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, the temperature subsystem corresponding to the first temperature regulation capacity is started, and the first switch assembly, the fourth switch assembly and the fifth switch assembly are adjusted to be in a closed state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage mode.
In some embodiments, optionally, if the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability, the temperature subsystem corresponding to the first temperature adjustment capability is turned on, and the on-off state of the corresponding switch assembly is adjusted, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner, including:
in the heating mode, if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, the temperature subsystem corresponding to the first temperature regulation capacity is started, and the second switch assembly, the fifth switch assembly and the sixth switch assembly are regulated to be in a closed state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage mode.
With regard to the method in the above-described embodiment, the specific manner in which each step performs the operation has been described in detail in the embodiment related to the system, and will not be elaborated upon here.
According to the control method of the modular air conditioning system provided by the embodiment of the invention, when the target temperature regulation capacity is higher than the regulation capacity of the temperature subsystem with poor temperature regulation capacity and lower than the regulation capacities of other temperature subsystems, the number of the heat exchange assemblies connected into the operating system can be regulated by regulating the on-off state of the switch assembly, so that the sharing of different heat exchange assemblies is realized, the heat exchange area of the operating system is increased, the temperature regulation capacity of the total system is improved, and the energy conservation performance of the operation of the modular air conditioning system is improved.
Example three:
based on one general inventive concept, embodiments of the present invention also provide a control apparatus for a modular air conditioning system.
Fig. 3 is a schematic structural diagram of a control device of a modular air conditioning system according to an embodiment of the present invention, which is applied to any one of the above modular air conditioning systems, and referring to fig. 3, the control device of the modular air conditioning system according to an embodiment of the present invention may include: an acquisition module 61, a judgment module 62 and an adjustment module 63.
The acquiring module 61 is used for acquiring a target temperature adjusting capacity;
a judging module 62, configured to judge a magnitude relationship between the target temperature adjustment capability and the temperature adjustment capability of the temperature subsystem;
and the adjusting module 63 is used for adjusting the on-off state of the switch assembly according to the size relation between the target temperature adjusting capacity and the temperature adjusting capacity of each temperature subsystem so as to adjust the linkage use number of the heat exchange assemblies.
Optionally, the determining module 62 is configured to determine whether the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability;
and the adjusting module 63 is configured to, if the target temperature adjusting capability is between the first temperature adjusting capability and the second temperature adjusting capability, turn on the temperature subsystem corresponding to the first temperature adjusting capability, and adjust the on-off state of the corresponding switch assembly, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner.
And the adjusting module 63 is used for starting the temperature subsystem corresponding to the first temperature adjusting capacity and adjusting the first switch component, the fourth switch component and the fifth switch component to be in a closed state if the target temperature adjusting capacity is between the first temperature adjusting capacity and the second temperature adjusting capacity in the refrigeration mode, so that the first heat exchange component and the second heat exchange component are used in a linkage mode.
And the adjusting module 63 is configured to, in the heating mode, if the target temperature adjusting capability is between the first temperature adjusting capability and the second temperature adjusting capability, turn on the temperature subsystem corresponding to the first temperature adjusting capability, and adjust the second switch assembly, the fifth switch assembly and the sixth switch assembly to be in an off state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
According to the modular air conditioning system control device provided by the embodiment of the invention, when the target temperature regulation capacity is higher than the regulation capacity of the temperature subsystem with poor temperature regulation capacity and lower than the regulation capacities of other temperature subsystems, the number of the heat exchange assemblies connected into the operating system can be regulated by regulating the on-off state of the switch assembly, so that the sharing of different heat exchange assemblies is realized, the heat exchange area of the operating system is increased, the temperature regulation capacity of the total system is improved, and the energy conservation performance of the operation of the modular machine system is improved.
Example four:
based on one general inventive concept, embodiments of the present invention also provide a control apparatus of a modular air conditioning system.
Fig. 4 is a schematic structural diagram of a control device of a modular air conditioning system according to an embodiment of the present invention, and referring to fig. 4, the control device of the modular air conditioning system according to an embodiment of the present invention includes: a processor 71 and a memory 72 connected to the processor.
The memory 72 is used for storing a computer program at least for the control method of the modular air conditioning system described in any of the above embodiments;
the processor 71 is used to call and execute computer programs in the memory.
Example five:
based on a general inventive concept, an embodiment of the present invention also provides an air conditioner.
The air conditioner provided by the embodiment of the invention comprises the modular air conditioning system described in any one of the embodiments.
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 person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (17)

1. A modular air conditioning system, comprising: a shell tube and at least two temperature subsystems; each of the temperature subsystems, comprising: a heat exchange assembly; both ends of each heat exchange assembly are communicated with both ends of the shell tube through communicating pipes;
the heat exchange assemblies are connected in parallel through parallel pipes;
each communicating pipe is provided with a switch assembly, so that the linkage use number of the heat exchange assemblies is adjusted through the switch state of the switch assembly.
2. The system of claim 1, wherein one end of each of the switch assemblies is connected to one end of the parallel tube and one end of the heat exchange assembly, respectively.
3. The system of claim 1, wherein at least two switch assemblies are disposed on each of the feed-through tubes.
4. The system of claim 1, wherein the parallel tubes are disposed at both ends of the shell tube, and the parallel tubes are disposed at both ends of the heat exchange assembly.
5. The system of claim 4, wherein the casing comprises a water inlet end and a water outlet end; each heat exchange assembly comprises a first end and a second end; the number of the water inlet ends and the number of the water outlet ends are both adapted to the number of the temperature subsystems;
the parallel pipes are arranged between the water inlet ends, and the parallel pipes are arranged between the water outlet ends;
the parallel pipes are arranged between the first ends, and the parallel pipes are arranged between the second ends.
6. The system of claim 1, wherein the temperature subsystem comprises: a first temperature subsystem and a second temperature subsystem; the first temperature subsystem comprises a first heat exchange assembly; the second temperature subsystem, comprising: a second heat exchange assembly;
the first end of the first heat exchange assembly is connected with the first ends of the first parallel tubes; the first end of the second heat exchange assembly is connected with the second end of the first parallel pipe;
the second end of the first heat exchange assembly is connected with the first end of the second parallel pipe; the first end of the second heat exchange assembly is connected with the second end of the second parallel pipe;
the first water inlet end of the shell pipe is connected with the first end of the third parallel pipe; the first water outlet end of the shell pipe is connected with the first end of the fourth parallel pipe;
the second water inlet end of the shell pipe is connected with the second end of the third parallel pipe; and the second water outlet end of the shell tube is connected with the second end of the fourth parallel tube.
7. The system of claim 6, wherein the switch assembly comprises: the first switch component, the second switch component, the third switch component, the fourth switch component, the fifth switch component, the sixth switch component, the seventh switch component and the eighth switch component;
the first end of the first switch assembly is connected with the first end of the first heat exchange assembly; the second end of the first switch component is connected with the first end of the second switch component; the second end of the second switch assembly is connected with the second water inlet end of the shell pipe;
the first end of the third switch component is connected with the first end of the second heat exchange component; the second end of the third switch component is connected with the first end of the fourth switch component; the second end of the fourth switch assembly is connected with the first water inlet end of the shell pipe;
the first end of the fifth switch assembly is connected with the second end of the first heat exchange assembly; the second end of the fifth switch component is connected with the first end of the sixth switch component; the second end of the sixth switch assembly is connected with the second water outlet end of the shell pipe;
the first end of the seventh switch component is connected with the second end of the second heat exchange component; the second end of the seventh switch component is connected with the first end of the eighth switch component; and the second end of the eighth switch assembly is connected with the first water outlet end of the shell pipe.
8. The system of any of claims 1-7, wherein the switch assembly comprises a solenoid valve.
9. The system of any of claims 1-7, wherein the heat exchange assembly comprises a finned heat exchanger.
10. The system of any of claims 1-7, further comprising: the control assembly is connected with the switch assembly; the control assembly is used for controlling the on-off state of the switch assembly.
11. A control method of a modular air conditioning system, characterized by being applied to the modular air conditioning system of any one of claims 1-10; the method comprises the following steps:
acquiring target temperature regulation capacity;
judging the relation between the target temperature regulation capacity and the temperature regulation capacity of the temperature subsystem;
and adjusting the on-off state of the switch assembly according to the relation between the target temperature adjusting capacity and the temperature adjusting capacity of each temperature subsystem so as to adjust the linkage use number of the heat exchange assemblies.
12. The method of claim 11, applied to the modular air conditioning system of claim 7; the temperature regulation capacity of the temperature subsystem is a first temperature regulation capacity and a second temperature regulation capacity respectively, and the first temperature regulation capacity is smaller than the second temperature regulation capacity; the determining a relationship between the target temperature adjustment capability and the temperature adjustment capability of the temperature subsystem includes:
determining whether the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability;
according to the size relation between the target temperature regulation capacity and the temperature regulation capacity of each temperature subsystem, the on-off state of the switch assembly is regulated to regulate the linkage use number of the heat exchange assemblies, and the method comprises the following steps:
and if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, starting the temperature subsystem corresponding to the first temperature regulation capacity, and regulating the on-off state of the corresponding switch assembly, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage manner.
13. The method of claim 12, wherein if the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability, turning on a temperature subsystem corresponding to the first temperature adjustment capability, and adjusting an on-off state of a corresponding switch assembly, so that the first heat exchange assembly and the second heat exchange assembly are used in a linked manner, comprises:
in a refrigeration mode, if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, the temperature subsystem corresponding to the first temperature regulation capacity is started, and the first switch assembly, the fourth switch assembly and the fifth switch assembly are regulated to be in a closed state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage mode.
14. The method of claim 12, wherein if the target temperature adjustment capability is between the first temperature adjustment capability and the second temperature adjustment capability, turning on a temperature subsystem corresponding to the first temperature adjustment capability, and adjusting an on-off state of a corresponding switch assembly, so that the first heat exchange assembly and the second heat exchange assembly are used in a linked manner, comprises:
in the heating mode, if the target temperature regulation capacity is between the first temperature regulation capacity and the second temperature regulation capacity, the temperature subsystem corresponding to the first temperature regulation capacity is started, and the second switch assembly, the fifth switch assembly and the sixth switch assembly are regulated to be in a closed state, so that the first heat exchange assembly and the second heat exchange assembly are used in a linkage mode.
15. A control device for a modular air conditioning system, which is applied to the modular air conditioning system as claimed in any one of claims 1 to 10, the control device comprising: the device comprises an acquisition module, a judgment module and an adjustment module;
the acquisition module is used for acquiring target temperature regulation capacity;
the judging module is used for judging the size relation between the target temperature regulating capacity and the temperature regulating capacity of the temperature subsystem;
and the adjusting module is used for adjusting the on-off state of the switch assembly according to the relation between the target temperature adjusting capacity and the temperature adjusting capacity of each temperature subsystem so as to adjust the linkage using number of the heat exchange assemblies.
16. A control apparatus of a modular air conditioning system, comprising: a processor, and a memory coupled to the processor;
the memory is used for storing a computer program for executing at least a control method of the modular air conditioning system according to any one of claims 11 to 14;
the processor is used for calling and executing the computer program in the memory.
17. Air conditioner characterized in that it comprises a modular air conditioning system according to any of claims 1 to 10.
CN202111284317.9A 2021-11-01 2021-11-01 Modular air conditioning system, control method, device and equipment thereof, and air conditioner Pending CN114034112A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111284317.9A CN114034112A (en) 2021-11-01 2021-11-01 Modular air conditioning system, control method, device and equipment thereof, and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111284317.9A CN114034112A (en) 2021-11-01 2021-11-01 Modular air conditioning system, control method, device and equipment thereof, and air conditioner

Publications (1)

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CN114034112A true CN114034112A (en) 2022-02-11

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