CN117537445A - Control method of modular air conditioning unit and modular air conditioning unit - Google Patents

Control method of modular air conditioning unit and modular air conditioning unit Download PDF

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Publication number
CN117537445A
CN117537445A CN202410037512.9A CN202410037512A CN117537445A CN 117537445 A CN117537445 A CN 117537445A CN 202410037512 A CN202410037512 A CN 202410037512A CN 117537445 A CN117537445 A CN 117537445A
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CN
China
Prior art keywords
refrigerant
user
air cooling
target user
cooling unit
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Granted
Application number
CN202410037512.9A
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Chinese (zh)
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CN117537445B (en
Inventor
王珂
王传周
王世原
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Shenzhen Taileng Air Conditioning Equipment Co ltd
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Shenzhen Taileng Air Conditioning Equipment Co ltd
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Priority to CN202410037512.9A priority Critical patent/CN117537445B/en
Publication of CN117537445A publication Critical patent/CN117537445A/en
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Publication of CN117537445B publication Critical patent/CN117537445B/en
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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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention relates to the technical field of air conditioners, in particular to a control method of a modular air conditioner unit and the modular air conditioner unit, wherein the method comprises the following steps: acquiring the use preference information of each user side, wherein the preference information at least comprises the preference use time period of the user side; at least determining a target user terminal according to the use preference information of the user terminal in a period; for the target user end, only the refrigerant pipeline between the target user end and the air cooling unit is set to be in a state capable of conveying the refrigerant in the period; when the refrigerant pipeline between a client and the air cooling unit is in a state capable of conveying the refrigerant, the refrigerant pipeline can be used for conveying the refrigerant; when the refrigerant pipeline between a client and the air cooling unit is in a state of being incapable of conveying the refrigerant, the refrigerant pipeline cannot be used for conveying the refrigerant. The invention solves the problems that the refrigerant of the existing modular air conditioning unit can generate energy loss and the energy transmission efficiency is low in the transmission process.

Description

Control method of modular air conditioning unit and modular air conditioning unit
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method of a modular air conditioner unit and the modular air conditioner unit.
Background
The modular air conditioning unit comprises a plurality of air cooling module machines and a plurality of indoor air conditioning machines, the air cooling module machines convey refrigerants to the indoor air conditioning machines, the indoor air conditioning machines exchange heat with the refrigerants to realize indoor air conditioning functions of users, the application of the modular air conditioning unit is very wide at present, and the modular air conditioning unit is widely applied especially in the fields of business and industry, such as places of office buildings, data centers, hospitals, large-scale markets, factories and the like.
However, because the modular air conditioning unit transfers heat through the refrigerant, the refrigerant is generally liquid, the most common refrigerant is water, and therefore the refrigerant needs to be transported through the refrigerant pipeline, because the modular air conditioning unit is often applied to a large-scale place, a large number of users exist in the large-scale place, the time and habit of using the air conditioner by the users are not completely the same, and generally, when the modular air conditioning unit is used in a peak period, all users or most users use the air conditioner, at the moment, the air cooling module can run at full speed, the refrigerant pipeline is completely opened, and the requirements can be met without additional detail control; however, if the air conditioner is not used in the peak period, only some users use the air conditioner and are scattered at all positions of a large-scale place, so that the refrigerant output by the air cooling module machine can reach the users using the air conditioner after flowing for a long time, and when the refrigerant flows in the refrigerant pipeline, heat exchange and mixing can also occur between the refrigerant and the existing refrigerant in the pipeline, for example, when some users do not use the air conditioner, the refrigerant in the refrigerant pipeline of the users still contacts the refrigerant being conveyed, heat exchange and even mixing occur, and heat enters the refrigerant pipeline of the users who do not use the air conditioner, so that the energy consumption of the refrigerant is caused, and energy is wasted; meanwhile, for users using the air conditioner in off-peak periods, the indoor air conditioner cannot obtain the refrigerant in an ideal state, so that the refrigerating or heating effect is poor, and the use experience of the users is affected.
Disclosure of Invention
The invention mainly solves the problems that the energy loss can occur in the refrigerant transmission process of the existing modular air conditioning unit in the off-peak period and the energy transmission efficiency is low.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the utility model provides a control method and modular air conditioning unit of modular air conditioning unit, modular air conditioning unit includes forced air cooling unit and a plurality of indoor air conditioner, forced air cooling unit and a plurality of indoor air conditioner pass through the refrigerant pipeline and connect, a plurality of indoor air conditioner sets up in a plurality of user terminals, the refrigerant pipeline is used for carrying the refrigerant to the indoor air conditioner of target user terminal, the method includes:
acquiring the use preference information of each user side, wherein the preference information at least comprises the preference use time period of the user side;
at least determining a target user terminal according to the use preference information of the user terminal in a period;
for the target user end, only the refrigerant pipeline between the target user end and the air cooling unit is set to be in a state capable of conveying the refrigerant in the period;
when the refrigerant pipeline between a client and the air cooling unit is in a state capable of conveying the refrigerant, the refrigerant pipeline can be used for conveying the refrigerant; when the refrigerant pipeline between a client and the air cooling unit is in a state of being incapable of conveying the refrigerant, the refrigerant pipeline cannot be used for conveying the refrigerant.
In the above control method for a modular air conditioning unit, preferably, after determining at least a target user end according to the user preference information of the user end in the period of time, the control method further includes:
determining a user group in which a target user terminal is located as a target user group;
the user groups are a set of one or more user ends connected with the air cooling unit by using the same refrigerant pipeline, each user group is provided with a final-stage electromagnetic valve, and the final-stage electromagnetic valve is used for controlling whether refrigerant pipelines between all user ends in the user groups and the air cooling unit are on or off;
when a refrigerant pipeline between a user end and the air cooling unit is in a state capable of conveying a refrigerant, the final-stage electromagnetic valve of the user group where the user end is located is in a communication state.
In the above control method for a modular air conditioning unit, as an preferable solution, the setting the refrigerant pipe between the target user side and the air cooling unit in the period of time to be in a state capable of conveying the refrigerant includes:
and setting a final-stage electromagnetic valve of a refrigerant pipeline between the target user group containing the target user end and the air cooling unit to be in a communication state so that the refrigerant pipeline is in a state capable of conveying a refrigerant in the period.
In the above-mentioned control method of a modular air conditioning unit, preferably, after determining at least a target user terminal according to the user preference information of the user terminal in a period of time, the control method further includes:
for a non-target user group, enabling a refrigerant pipeline between the non-target user group and the air cooling unit to be in a state of being incapable of conveying a refrigerant in the period;
if a user terminal is not a target user terminal in a period of time, the user terminal is a non-target user terminal; when all the user terminals in one user group are non-target user terminals, the user group is the non-target user group.
In the above-described control method of a modular air conditioning unit, as a preferable solution, a plurality of user groups located in one physical space share one secondary electromagnetic valve; the secondary electromagnetic valves are arranged at the front ends of the final electromagnetic valves of all user groups in the physical space, and a plurality of the final electromagnetic valves in the physical space are connected with the air cooling unit through refrigerant pipelines and the secondary electromagnetic valves;
when all the user groups in a physical space are non-target user groups, the secondary electromagnetic valve in the physical space is in a disconnected state; when at least one target user group exists in all user groups in a physical space, enabling the secondary electromagnetic valve in the physical space to be in a communication state;
if the refrigerant pipeline between a non-target user group and the air cooling unit is in a state of not conveying the refrigerant, the final-stage electromagnetic valve of the non-target user group or the secondary electromagnetic valve of the physical space where the non-target user group is positioned is in a disconnected state;
wherein the plurality of user groups in one of the physical spaces comprises: the plurality of user groups are on the same floor.
In the above method for controlling a modular air conditioning unit, as a preferred solution, the air cooling unit includes a plurality of air cooling modules, the preference information further includes a maximum usage amount of a user side, and before obtaining the usage preference information of each user side, the method further includes:
obtaining rated output of each air-cooling module machine;
after determining at least the target user terminal according to the user preference information of the user terminal in a period of time, the method further comprises:
obtaining the maximum sum of the usage amounts of all target user terminals in the period;
determining the starting quantity of the air cooling module machines based on the maximum sum of the using quantity and the rated output quantity of each air cooling module machine, wherein the sum of the rated output quantities of the started air cooling module machines is larger than the maximum sum of the using quantity of all target user ends in the period;
the maximum usage amount of the user side comprises the refrigerant input flow used by all indoor air conditioners in the user side under the rated power, and the rated output amount of the air cooling module machine comprises the refrigerant output flow output by the air cooling module machine under the rated power.
The embodiment of the invention also provides a modular air conditioning unit which comprises an air cooling unit, a refrigerant pipeline, a plurality of indoor air conditioners, a plurality of electromagnetic valves and a controller;
the air cooling unit is used for outputting a refrigerant through a refrigerant pipeline;
the indoor air conditioners are arranged at a plurality of user ends and are connected with the air cooler unit through the refrigerant pipelines, and the indoor air conditioners are used for receiving refrigerants through the refrigerant pipelines and adjusting the air of the user ends by utilizing the refrigerants;
the electromagnetic valves are arranged on the refrigerant pipelines and are used for controlling whether the refrigerant pipelines at the electromagnetic valves are on or off;
the controller is connected with a plurality of the electromagnetic valves and is used for realizing the control method by controlling the electromagnetic valves.
In the above modular air conditioning unit, as an preferable solution, the plurality of solenoid valves include a plurality of final solenoid valves, and the final solenoid valves are used for controlling whether refrigerant pipes of the user group are on or off;
the user groups are sets of one or more user ends connected with the air cooling unit by using the same refrigerant pipeline, each user group is provided with a final-stage electromagnetic valve, and the final-stage electromagnetic valve is used for controlling whether refrigerant pipelines between all user ends in the user groups and the air cooling unit are on-off.
In the above modular air conditioning unit, as an preferable solution, the plurality of solenoid valves include a plurality of secondary solenoid valves, one secondary solenoid valve is disposed on the refrigerant pipe at the front end of all the final solenoid valves in one physical space, and the secondary solenoid valve is used for controlling whether the refrigerant pipe between the final solenoid valve and the air cooling unit is on or off in the physical space where the secondary solenoid valve is located;
wherein the physical space comprises floors, and the plurality of user groups in one of the physical spaces comprises: the plurality of user groups are on the same floor.
In the above-mentioned modular air conditioning unit, as an preferable solution, the modular air conditioning unit further includes a refrigerant pump, the air cooling unit includes a plurality of air cooling module machines, each air cooling module machine is connected to an input end of the refrigerant pump through an electromagnetic valve set, an output end of the refrigerant pump is provided with a total flow valve, and another end of the total flow valve is connected to a plurality of indoor air conditioners through a refrigerant pipeline and a plurality of electromagnetic valves;
the electromagnetic valve group comprises a primary flow valve, a primary electromagnetic valve and a one-way valve which are sequentially connected in series, wherein the primary flow valve is connected with the air cooling module machine, and the one-way valve is connected with the refrigerant pump.
The invention has the following beneficial effects:
according to the control method of the modular air conditioning unit, the target user side is determined by acquiring the use preference information of each user side, so that only the refrigerant pipeline of the target user side is in a state capable of conveying the refrigerant in the off-peak period, and the refrigerant pipelines at other positions are in a state incapable of conveying the refrigerant, and therefore unnecessary heat exchange and mixing can not occur between the refrigerant pipeline and the existing refrigerant in the pipeline when the refrigerant output by the air cooling module machine in the off-peak period flows in the refrigerant pipeline, and the energy loss of the refrigerant of the modular air conditioning unit in the refrigerant pipeline transmission process is reduced, and the energy transmission efficiency is improved.
Drawings
FIG. 1 is one of the flowcharts of a control method of a modular air conditioning unit according to one embodiment of the present disclosure;
FIG. 2 is a second flowchart of a control method of a modular air conditioning unit according to an embodiment of the present disclosure;
FIG. 3 is a third flowchart of a control method of a modular air conditioning unit according to an embodiment of the present disclosure;
fig. 4 is a connection structure diagram of a modular air conditioning unit according to an embodiment of the present application.
In the figure: 1. an air cooling module machine; 2. a refrigerant pump; 3. a primary flow valve; 4. a primary solenoid valve; 5. a one-way valve; 6. a total flow valve; 7. a secondary solenoid valve; 8. a final electromagnetic valve; 9. an indoor air conditioner.
Detailed Description
The present invention will be described in further detail below with reference to the detailed description and the accompanying drawings, wherein like elements in different embodiments are designated by like element numerals, and in the following embodiments, many details are described so as to enable a better understanding of the present application, however, one skilled in the art may easily recognize that some of the features may be omitted or replaced by other elements, materials, or methods in different cases, and in some cases, some of the operations related to the present application are not shown or described in the specification, which is to avoid flooding the core part of the present application with excessive descriptions, and it is not necessary for those skilled in the art to fully understand the related operations based on the descriptions in the specification and the general knowledge of the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the steps or actions in the description of the methods may be interchanged or modified in a manner apparent to those skilled in the art, so that the various orders in the description and the drawings are for clarity of description of certain embodiments only, and are not meant to be necessarily order unless otherwise indicated.
The numbering of the components herein, such as "first," "second," etc., is used merely to distinguish between the described objects and does not have any sequential or technical meaning, but rather "connected," "coupled," unless otherwise specified, includes both direct and indirect connection (coupling).
Referring to fig. 1, in order to solve the problems of energy loss and low energy transmission efficiency of a refrigerant of an existing modular air conditioning unit during a non-peak period, the embodiment provides a control method of the modular air conditioning unit, the modular air conditioning unit includes an air cooling unit and a plurality of indoor air conditioners, the air cooling unit is connected with the plurality of indoor air conditioners through refrigerant pipelines, the plurality of indoor air conditioners are disposed at a plurality of clients, the refrigerant pipelines are used for conveying the refrigerant to the indoor air conditioners of a target client, and the control method includes the following steps:
step S101, obtaining the use preference information of each user terminal; the preference information includes at least a preference use period of the user side.
Step S102, at least determining a target user terminal according to the user terminal use preference information in a period of time.
Step S103, for the target user terminal, only the refrigerant pipeline between the target user terminal and the air cooling unit is set to be in a state capable of conveying the refrigerant in a period of time.
Wherein, when the refrigerant pipeline between a client and the air cooling unit is in a state of being capable of conveying the refrigerant, the refrigerant pipeline can be used for conveying the refrigerant; when the refrigerant pipeline between the client and the air cooling unit is in a state of not conveying the refrigerant, the refrigerant pipeline cannot be used for conveying the refrigerant.
Referring to fig. 2, in the above-mentioned control method of a modular air conditioning unit, as a preferred solution, step S102: after determining at least the target user terminal according to the user preference information of the user terminal in a period of time, the method further comprises the following steps:
step S203, the user group where the target user terminal is located is determined as the target user group.
The system comprises a user group and an air cooling unit, wherein the user group is a set of one or more user ends connected with the air cooling unit by using the same refrigerant pipeline, each user group is provided with a final-stage electromagnetic valve, and the final-stage electromagnetic valve is used for controlling whether refrigerant pipelines between all user ends in the user group and the air cooling unit are on-off; when the refrigerant pipeline between a user end and the air cooling unit is in a state capable of conveying the refrigerant, the last-stage electromagnetic valve of the user group where the user end is positioned is in a communication state.
In the above control method of a modular air conditioning unit, as an preferable solution, the method for setting the refrigerant pipeline between the target user side and the air cooling unit to be in a state capable of conveying the refrigerant at the time interval includes: the final-stage electromagnetic valve of the refrigerant pipeline between the target user group containing the target user side and the air cooling unit is set to be in a communication state, so that the refrigerant pipeline is in a state capable of conveying the refrigerant in a period of time.
In the above-mentioned control method of a modular air conditioning unit, as a preferable solution, step S102: after determining at least the target user terminal according to the user preference information of the user terminal in a period of time, the method further comprises:
step 204, for the non-target user group, making the refrigerant pipeline between the non-target user group and the air cooling unit be in a state of not being capable of conveying the refrigerant in a period of time.
If a user terminal is not a target user terminal in a period of time, the user terminal is a non-target user terminal; when all the clients in a user group are non-target clients, the user group is a non-target user group.
In the above-described control method of a modular air conditioning unit, as a preferable solution, a plurality of user groups located in one physical space share one secondary electromagnetic valve; the secondary electromagnetic valves are arranged at the front ends of the final electromagnetic valves of all user groups in the physical space, and the plurality of final electromagnetic valves in the physical space are connected with the air cooling unit through refrigerant pipelines and the secondary electromagnetic valves; when all the user groups in a physical space are non-target user groups, the secondary electromagnetic valve in the physical space is in a disconnected state; when at least one target user group exists in all user groups in a physical space, enabling a secondary electromagnetic valve of the physical space to be in a communication state; if the refrigerant pipeline between a non-target user group and the air cooling unit is in a state of not conveying the refrigerant, the final-stage electromagnetic valve of the non-target user group or the secondary electromagnetic valve of the physical space where the non-target user group is positioned is in a disconnected state; wherein, a plurality of user groups in a physical space include: the plurality of user groups are on the same floor.
Referring to fig. 3, in the above-mentioned control method of a modular air conditioning unit, as a preferred solution, the air cooling unit includes a plurality of air cooling modules, the preference information further includes a maximum usage amount of a user side, and in step S101: before obtaining the usage preference information of each user side, the method further comprises the steps of:
and 301, acquiring rated output of each air cooling module machine.
In step S102: after determining at least the target user terminal according to the user preference information of the user terminal in a period of time, the method further comprises the steps of:
step S302, the maximum sum of the usage amounts of all the target user terminals in the period is obtained.
Step S303, determining the starting number of the air cooling module machines based on the maximum sum of the using amounts and the rated output of each air cooling module machine, wherein the sum of the rated output of the started air cooling module machines is larger than the maximum sum of the using amounts of all target user ends in the period; the maximum usage amount of the user side comprises the refrigerant input flow used by all indoor air conditioners in the user side under the rated power, and the rated output amount of the air cooling module machine comprises the refrigerant output flow output by the air cooling module machine under the rated power.
Referring to fig. 4, the embodiment of the present invention further provides a modular air conditioning unit, which includes an air cooling unit, a refrigerant pipe, a plurality of indoor air conditioners 9, a plurality of electromagnetic valves and a controller; the air cooling unit is used for outputting a refrigerant through a refrigerant pipeline; the indoor air conditioners 9 are arranged at a plurality of user ends and are connected with the air cooling unit through refrigerant pipelines, and the indoor air conditioners 9 are used for receiving refrigerants through the refrigerant pipelines and adjusting the air of the user ends by utilizing the refrigerants; the electromagnetic valves are arranged on the refrigerant pipelines and are used for controlling whether the refrigerant pipelines at the electromagnetic valves are on or off; the controller is connected with a plurality of electromagnetic valves and is used for realizing the control method by controlling the electromagnetic valves.
In the above modular air conditioning unit, as an preferable solution, the plurality of solenoid valves includes a plurality of final solenoid valves 8, and the final solenoid valves 8 are used for controlling whether refrigerant pipes of the user group are on or off; the user groups are a set of one or more user ends connected with the air cooling unit by using the same refrigerant pipeline, each user group is provided with a final electromagnetic valve 8, and the final electromagnetic valve 8 is used for controlling whether the refrigerant pipelines between all the user ends in the user groups and the air cooling unit are on or off.
In the above-mentioned modular air conditioning unit, as an preferable solution, the plurality of solenoid valves includes a plurality of secondary solenoid valves 7, one secondary solenoid valve 7 is disposed on the refrigerant pipeline at the front end of all final solenoid valves 8 in a physical space, and the secondary solenoid valve 7 is used for controlling whether the refrigerant pipeline between the final solenoid valve 8 and the air cooling unit in the physical space where the secondary solenoid valve 7 is located is on or off; wherein the physical space comprises floors, and the plurality of user groups in one physical space comprise: the plurality of user groups are on the same floor.
In the above-mentioned modular air conditioning unit, as a preferred solution, the modular air conditioning unit further includes a refrigerant pump 2, the air-cooled unit includes a plurality of air-cooled modular machines 1, each air-cooled modular machine 1 is connected to an input end of the refrigerant pump 2 through an electromagnetic valve group, an output end of the refrigerant pump 2 is provided with a total flow valve 6, and another end of the total flow valve 6 is connected to a plurality of indoor air conditioners 9 through a refrigerant pipeline and a plurality of electromagnetic valves; the electromagnetic valve group comprises a primary flow valve 3, a primary electromagnetic valve 4 and a one-way valve 5 which are sequentially connected in series, wherein the primary flow valve 3 is connected with the air cooling module machine 1, and the one-way valve 5 is connected with the refrigerant pump 2.
In this embodiment, the air cooling unit is used for providing refrigerant for the indoor air conditioner 9 of A, B, C three floors and twenty-two user sides in total.
For the floor A, the floor A comprises eight user ends, and refrigerant pipelines of the eight user ends of the floor A are controlled by a secondary electromagnetic valve 7, and the refrigerant pipelines are respectively:
user terminal A-1: comprising two indoor air conditioners 9;
user terminal A-2: comprises three indoor air conditioners 9;
user terminal A-3: comprising two indoor air conditioners 9;
user terminal A-4: comprises an indoor air conditioner 9;
user terminal A-5: comprises an indoor air conditioner 9;
user terminal A-6: comprises an indoor air conditioner 9;
user terminal A-7: comprises an indoor air conditioner 9;
user terminal A-8: comprising two indoor air conditioners 9.
For the floor B, the floor B comprises eight user ends, and refrigerant pipelines of the eight user ends of the floor B are controlled by a secondary electromagnetic valve 7, and the refrigerant pipelines are respectively:
user terminal B-1: comprising two indoor air conditioners 9;
user terminal B-2: comprising two indoor air conditioners 9;
user terminal B-3: comprises an indoor air conditioner 9;
user terminal B-4: comprising two indoor air conditioners 9;
user terminal B-5: comprises an indoor air conditioner 9;
user terminal B-6: comprising two indoor air conditioners 9;
user terminal B-7: comprises an indoor air conditioner 9;
user terminal B-8: comprising two indoor air conditioners 9.
For the floor C, six user terminals are included, and refrigerant pipelines of eight user terminals of the floor C are controlled by a secondary electromagnetic valve 7, and are respectively:
user terminal C-1: comprising two indoor air conditioners 9;
user terminal C-2: comprises three indoor air conditioners 9;
user terminal C-3: comprises three indoor air conditioners 9;
user terminal C-4: comprising two indoor air conditioners 9;
user terminal C-5: comprises an indoor air conditioner 9;
user terminal C-5: comprising two indoor air conditioners 9.
The air cooling unit comprises four air cooling module machines 1, wherein electromagnetic valve groups are arranged at the output ends of the three air cooling module machines 1, each electromagnetic valve group is used for controlling and monitoring the flow output by all the following air cooling module machines 1, the electromagnetic valve groups are not arranged in the first air cooling module machine 1, and the flow can be controlled and monitored by the isomorphic refrigerant pump 2 and the total flow valve 6.
It will be appreciated by those skilled in the art that all or part of the functions of the methods in the above embodiments may be implemented by means of hardware, or may be implemented by means of a computer program, and when all or part of the functions in the above embodiments are implemented by means of a computer program, the program may be stored in a computer readable storage medium, where the storage medium may include: a read-only memory, a random access memory, a magnetic disk, an optical disk, a hard disk, etc., and the above-described functions can be realized by executing the program by a computer, for example, by storing the program in a memory of the device, and when the program in the memory is executed by a processor, the above-described functions can be realized in whole or in part. In addition, when all or part of the functions in the above embodiments are implemented by means of a computer program, the program may be stored in a storage medium such as a server, another computer, a magnetic disk, an optical disk, a flash disk, or a removable hard disk, and the program in the above embodiments may be implemented by downloading or copying the program into a memory of a local device or updating a version of a system of the local device, and when the program in the memory is executed by a processor.
The foregoing description of the present invention has been provided by way of example only, and is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides a control method of modular air conditioning unit, its characterized in that, modular air conditioning unit includes forced air cooling unit and a plurality of indoor air conditioner, forced air cooling unit and a plurality of indoor air conditioner pass through the refrigerant pipe connection, a plurality of indoor air conditioner sets up in a plurality of user terminals, the refrigerant pipe is used for carrying refrigerant to target user terminal indoor air conditioner, the method includes:
acquiring the use preference information of each user side, wherein the preference information at least comprises the preference use time period of the user side;
at least determining a target user terminal according to the use preference information of the user terminal in a period;
for the target user end, only the refrigerant pipeline between the target user end and the air cooling unit is set to be in a state capable of conveying the refrigerant in the period;
when the refrigerant pipeline between a client and the air cooling unit is in a state capable of conveying the refrigerant, the refrigerant pipeline can be used for conveying the refrigerant; when the refrigerant pipeline between a client and the air cooling unit is in a state of being incapable of conveying the refrigerant, the refrigerant pipeline cannot be used for conveying the refrigerant.
2. The method for controlling a modular air conditioning unit according to claim 1, wherein after determining at least a target user terminal according to the user preference information of the user terminal in a period of time, further comprising:
determining a user group in which a target user terminal is located as a target user group;
the user groups are a set of one or more user ends connected with the air cooling unit by using the same refrigerant pipeline, each user group is provided with a final-stage electromagnetic valve, and the final-stage electromagnetic valve is used for controlling whether refrigerant pipelines between all user ends in the user groups and the air cooling unit are on or off;
when a refrigerant pipeline between a user end and the air cooling unit is in a state capable of conveying a refrigerant, the final-stage electromagnetic valve of the user group where the user end is located is in a communication state.
3. The method according to claim 2, wherein the setting the refrigerant pipe between the target user side and the air-cooled unit to be in a state capable of conveying refrigerant during the period of time comprises:
and setting a final-stage electromagnetic valve of a refrigerant pipeline between the target user group containing the target user end and the air cooling unit to be in a communication state so that the refrigerant pipeline is in a state capable of conveying a refrigerant in the period.
4. The control method of a modular air conditioner according to claim 2, further comprising, after determining at least a target user terminal according to the user preference information of the user terminal for a period of time:
for a non-target user group, enabling a refrigerant pipeline between the non-target user group and the air cooling unit to be in a state of being incapable of conveying a refrigerant in the period;
if a user terminal is not a target user terminal in a period of time, the user terminal is a non-target user terminal; when all the user terminals in one user group are non-target user terminals, the user group is the non-target user group.
5. The control method of a modular air conditioner according to claim 4, wherein a plurality of user groups in one physical space share one secondary solenoid valve; the secondary electromagnetic valves are arranged at the front ends of the final electromagnetic valves of all user groups in the physical space, and a plurality of the final electromagnetic valves in the physical space are connected with the air cooling unit through refrigerant pipelines and the secondary electromagnetic valves;
when all the user groups in a physical space are non-target user groups, the secondary electromagnetic valve in the physical space is in a disconnected state; when at least one target user group exists in all user groups in a physical space, enabling the secondary electromagnetic valve in the physical space to be in a communication state;
if the refrigerant pipeline between a non-target user group and the air cooling unit is in a state of not conveying the refrigerant, the final-stage electromagnetic valve of the non-target user group or the secondary electromagnetic valve of the physical space where the non-target user group is positioned is in a disconnected state;
wherein the plurality of user groups in one of the physical spaces comprises: the plurality of user groups are on the same floor.
6. The method for controlling a modular air conditioning unit according to claim 1, wherein the air cooling unit includes a plurality of air cooling modules, the preference information further includes a maximum usage amount of a user side, and before the obtaining the usage preference information of each user side, the method further includes:
obtaining rated output of each air-cooling module machine;
after determining at least the target user terminal according to the user preference information of the user terminal in a period of time, the method further comprises:
obtaining the maximum sum of the usage amounts of all target user terminals in the period;
determining the starting quantity of the air cooling module machines based on the maximum sum of the using quantity and the rated output quantity of each air cooling module machine, wherein the sum of the rated output quantities of the started air cooling module machines is larger than the maximum sum of the using quantity of all target user ends in the period;
the maximum usage amount of the user side comprises the refrigerant input flow used by all indoor air conditioners in the user side under the rated power, and the rated output amount of the air cooling module machine comprises the refrigerant output flow output by the air cooling module machine under the rated power.
7. The modular air conditioning unit is characterized by comprising an air cooling unit, a refrigerant pipeline, a plurality of indoor air conditioners, a plurality of electromagnetic valves and a controller;
the air cooling unit is used for outputting a refrigerant through a refrigerant pipeline;
the indoor air conditioners are arranged at a plurality of user ends and are connected with the air cooler unit through the refrigerant pipelines, and the indoor air conditioners are used for receiving refrigerants through the refrigerant pipelines and adjusting the air of the user ends by utilizing the refrigerants;
the electromagnetic valves are arranged on the refrigerant pipelines and are used for controlling whether the refrigerant pipelines at the electromagnetic valves are on or off;
the controller is connected to a plurality of the solenoid valves for realizing the control method according to any one of claims 1 to 6 by controlling the solenoid valves.
8. The modular air conditioning unit according to claim 7, wherein the plurality of solenoid valves includes a plurality of final solenoid valves for controlling whether refrigerant pipes of the user group are on or off;
the user groups are sets of one or more user ends connected with the air cooling unit by using the same refrigerant pipeline, each user group is provided with a final-stage electromagnetic valve, and the final-stage electromagnetic valve is used for controlling whether refrigerant pipelines between all user ends in the user groups and the air cooling unit are on-off.
9. The modular air conditioning unit as set forth in claim 8, wherein a plurality of said solenoid valves includes a plurality of secondary solenoid valves, one of said secondary solenoid valves being disposed on said refrigerant lines at the front end of all of said final solenoid valves in a physical space, said secondary solenoid valves being configured to control whether refrigerant lines between said final solenoid valves and said air-cooled unit are on or off in the physical space in which said secondary solenoid valves are located;
wherein the physical space comprises floors, and the plurality of user groups in one of the physical spaces comprises: the plurality of user groups are on the same floor.
10. The modular air conditioning unit as set forth in claim 7, further comprising a refrigerant pump, wherein the air cooling unit comprises a plurality of air cooling modular units, each of the air cooling modular units is connected to an input end of the refrigerant pump through an electromagnetic valve group, an output end of the refrigerant pump is provided with a total flow valve, and the other end of the total flow valve is connected to a plurality of indoor air conditioners through a refrigerant pipeline and a plurality of electromagnetic valves;
the electromagnetic valve group comprises a primary flow valve, a primary electromagnetic valve and a one-way valve which are sequentially connected in series, wherein the primary flow valve is connected with the air cooling module machine, and the one-way valve is connected with the refrigerant pump.
CN202410037512.9A 2024-01-10 2024-01-10 Control method of modular air conditioning unit and modular air conditioning unit Active CN117537445B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104566785A (en) * 2014-12-15 2015-04-29 郑州轻工业学院 Intelligent distribution method and intelligent distribution system for refrigerating capacity of central air conditioner
CN108548297A (en) * 2018-04-28 2018-09-18 四川虹美智能科技有限公司 A kind of one method dragged more air-conditionings and control the refrigerant that one drags more air-conditionings
CN115451455A (en) * 2022-10-20 2022-12-09 中科迈金节能技术(浙江)有限公司 Step type cold (hot) water machine set
CN117029225A (en) * 2023-08-25 2023-11-10 青岛海尔空调电子有限公司 Method and device for controlling air conditioner, air conditioner and storage medium

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104566785A (en) * 2014-12-15 2015-04-29 郑州轻工业学院 Intelligent distribution method and intelligent distribution system for refrigerating capacity of central air conditioner
CN108548297A (en) * 2018-04-28 2018-09-18 四川虹美智能科技有限公司 A kind of one method dragged more air-conditionings and control the refrigerant that one drags more air-conditionings
CN115451455A (en) * 2022-10-20 2022-12-09 中科迈金节能技术(浙江)有限公司 Step type cold (hot) water machine set
CN117029225A (en) * 2023-08-25 2023-11-10 青岛海尔空调电子有限公司 Method and device for controlling air conditioner, air conditioner and storage medium

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