CN114517959B - Control method of air conditioning system - Google Patents

Control method of air conditioning system Download PDF

Info

Publication number
CN114517959B
CN114517959B CN202210190224.8A CN202210190224A CN114517959B CN 114517959 B CN114517959 B CN 114517959B CN 202210190224 A CN202210190224 A CN 202210190224A CN 114517959 B CN114517959 B CN 114517959B
Authority
CN
China
Prior art keywords
heat exchange
water
heat exchanger
circulation loop
indoor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210190224.8A
Other languages
Chinese (zh)
Other versions
CN114517959A (en
Inventor
荣丹
付松辉
刘江彬
宋强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202210190224.8A priority Critical patent/CN114517959B/en
Publication of CN114517959A publication Critical patent/CN114517959A/en
Application granted granted Critical
Publication of CN114517959B publication Critical patent/CN114517959B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F24F11/46—Improving electric energy efficiency or saving
    • F24F11/47—Responding to energy costs
    • 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
    • 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
    • F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • 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
    • 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 an air conditioning system, and aims to solve the problem of serious energy waste of the existing air conditioning system. For this purpose, the air conditioning system of the present invention includes a refrigerant circulation circuit, a water storage member and a spray branch circuit, the refrigerant circulation circuit and the water circulation circuit being capable of exchanging heat by a three-medium heat exchanger, the water storage member being provided to be selectively communicated with the water circulation circuit to selectively supply water to the water circulation circuit, the spray branch circuit being communicated with the water circulation circuit, and the spray branch circuit being provided to be capable of performing a spray treatment to the outdoor heat exchanger. Based on the above, the air conditioning system can replace more refrigerant circulation by utilizing water circulation by arranging the water storage component and the spraying branch and selectively controlling the communication state of the water storage component and the spraying branch and the water circulation loop, so that the heat exchange effect of the air conditioning system is ensured and the utilization rate of energy sources is effectively improved.

Description

Control method of air conditioning system
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides a control method of an air conditioning system.
Background
The existing common residential houses and old communities have no space for installing a plurality of outdoor units, so that a multi-split air conditioning system is generated. The outdoor unit of the air conditioning system can meet the heat exchange requirement of a plurality of indoor units at the same time. However, in the practical use process, a plurality of indoor units are used at the same time, that is, in most cases, an outdoor unit with high operation power is matched with an indoor unit with low operation power, and especially after sleeping at night, an air conditioner in a living room or a study room is generally closed, and the operation mode can cause serious energy waste.
Accordingly, there is a need in the art for a new control method of an air conditioning system to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to solve the technical problems, namely the problem of serious energy waste of the existing air conditioning system.
The invention provides a control method of an air conditioning system, which comprises a refrigerant circulation loop, a water storage component and a spray branch, wherein a three-medium heat exchanger, a variable-frequency compressor, an outdoor heat exchanger and a throttling component are sequentially arranged on the refrigerant circulation loop;
the control method comprises the following steps:
acquiring the temperature of each indoor heat exchange space;
controlling the running states of the refrigerant circulation loop and the water circulation loop according to the temperature of each indoor heat exchange space;
acquiring the required heat exchange quantity of each indoor heat exchange space;
and controlling the communication states of the water storage component, the spraying branch and the water circulation loop according to the heat exchange quantity required by each indoor heat exchange space.
In a preferred embodiment of the above control method, the step of controlling the operation of the refrigerant circulation circuit and the water circulation circuit according to the indoor temperature of each indoor heat exchange space includes:
and if the absolute value of the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature is larger than the preset difference value, controlling the refrigerant circulation loop to operate.
In a preferred embodiment of the above control method, the step of controlling the operation of the refrigerant circulation loop and the water circulation loop according to the indoor temperature of each indoor heat exchange space further includes:
and if the absolute value of the difference value between the temperature of the indoor heat exchange space where the water coil heat exchanger is positioned and the target indoor temperature is larger than the preset difference value, controlling the refrigerant circulation loop and the water circulation loop to operate.
In a preferred technical solution of the above control method, the control method further includes:
and under the condition that the refrigerant circulation loop and the water circulation loop are operated, if the absolute value of the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature is smaller than or equal to the preset difference value, controlling the first indoor heat exchange fan to stop operating.
In the above preferred technical solution of the control method, the step of controlling the communication states of the water storage member and the spray branch with the water circulation loop according to the required heat exchange amount of each indoor heat exchange space includes:
if the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is located is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is located is smaller than or equal to the preset heat exchange amount, only the spraying branch is controlled to be communicated with the water circulation loop.
In the above preferred technical solution of the control method, the step of controlling the communication states of the water storage member and the spray branch with the water circulation loop according to the required heat exchange amount of each indoor heat exchange space further includes:
if the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is located is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is located is smaller than or equal to the preset heat exchange amount, only the water storage component is controlled to be communicated with the water circulation loop.
In the above preferred technical solution of the control method, the step of controlling the communication states of the water storage member and the spray branch with the water circulation loop according to the required heat exchange amount of each indoor heat exchange space further includes:
if the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is located is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is located is larger than the preset heat exchange amount, the water storage component and the spraying branch are controlled to be communicated with the water circulation loop.
In a preferred technical solution of the above control method, the control method further includes:
and under the condition that the refrigerant circulation loop operates, controlling the operating frequency of the variable frequency compressor according to the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature.
In a preferred technical solution of the above control method, the control method further includes:
and under the condition that the refrigerant circulation loop and the water circulation loop are operated, controlling the operation frequency of the water pump according to the difference value between the temperature of the indoor heat exchange space where the water coil heat exchanger is positioned and the target indoor temperature.
In a preferred technical solution of the above control method, the air conditioning system further includes a drainage branch, and the drainage branch is communicated with the water storage member to realize drainage, and the control method further includes:
acquiring the water level height of the water storage component;
and if the water level of the water storage component is greater than the preset water level, controlling the water storage component to drain.
Under the condition of adopting the technical scheme, the air conditioning system can utilize water circulation to replace more refrigerant circulation by arranging the water storage component and the spraying branch and selectively controlling the communication state of the water storage component and the spraying branch and the water circulation loop, so that the heat exchange effect of the air conditioning system is ensured, and the utilization rate of energy sources is also effectively improved.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of an air conditioning system of the present invention with a water coil heat exchanger;
FIG. 2 is a schematic view of the air conditioning system of the present invention with a plurality of water coil heat exchangers;
FIG. 3 is a flow chart of the main steps of the control method of the present invention;
FIG. 4 is a flowchart showing the specific steps of a first preferred embodiment of the control method of the present invention;
FIG. 5 is a flowchart showing the specific steps of a second preferred embodiment of the control method of the present invention;
reference numerals:
1. a refrigerant circulation circuit;
2. a water circulation circuit; 21. a first circulation control valve; 22. a second circulation control valve; 23. a third circulation control valve;
3. a water storage member; 31. a liquid level sensor;
4. a three medium heat exchanger;
5. a variable frequency compressor;
6. a four-way valve;
7. an outdoor heat exchanger; 71. an outdoor heat exchange fan;
8. a throttle member;
9. a water pump;
10. a water coil heat exchanger;
11. a first indoor heat exchange fan;
12. a second indoor heat exchange fan;
13. a water supply branch; 131. a water supply control valve;
14. a water return branch; 141. a backwater control valve;
15. a water supplementing branch; 151. a water replenishment control valve;
16. a drainage branch; 161. a drain control valve;
17. a spray branch; 171. a spray member; 172. and a spray control valve.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. Those skilled in the art can adapt it as desired to suit a particular application. For example, the number of the cells to be processed,
it should be noted that, in the description of the preferred embodiment, terms such as "inner", "outer", and the like, refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, in the description of the present invention, the term "coupled" is to be interpreted broadly, as being able to be an electrical or mechanical connection, unless explicitly stated or defined otherwise; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances. Although the various steps of the control method of the present invention are described in a particular order in this application, these orders are not limiting and one skilled in the art may perform the steps in a different order without departing from the basic principles of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. Those skilled in the art can adapt it as desired to suit a particular application. For example, the invention does not limit the specific application place of the air conditioning system, and the invention can be a household air conditioning system or a commercial air conditioning system, and the technical personnel can set the air conditioning system according to the actual use requirement. Such changes in the specific application do not depart from the basic principles of the invention and are intended to be within the scope of the invention.
It should be noted that, in the description of the preferred embodiment, terms such as "inner", "outer", and the like, refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, in the description of the present invention, the term "coupled" is to be interpreted broadly, as being able to be an electrical or mechanical connection, unless explicitly stated or defined otherwise; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring first to fig. 1 and 2, fig. 1 is a schematic structural view of an air conditioning system according to the present invention when a water coil heat exchanger is provided, and fig. 2 is a schematic structural view of an air conditioning system according to the present invention when a plurality of water coil heat exchangers are provided. As shown in fig. 1 and 2, the air conditioning system of the present invention includes a refrigerant circulation loop 1, a water circulation loop 2 and a water storage member 3, wherein a three-medium heat exchanger 4, a variable frequency compressor 5, a four-way valve 6, an outdoor heat exchanger 7 and a throttle member 8 are sequentially disposed on the refrigerant circulation loop 1, a water pump 9, a water coil heat exchanger 10 and the three-medium heat exchanger 4 are disposed on the water circulation loop 2, the refrigerant circulation loop 1 and the water circulation loop 2 can exchange heat through the three-medium heat exchanger 4, a first indoor heat exchange fan 11 is disposed near the three-medium heat exchanger 4, a second indoor heat exchange fan 12 is disposed near the water coil heat exchanger 10, and the water storage member 3 is disposed to be selectively communicated with the water circulation loop 2 to selectively supply water to the water circulation loop 2.
In the preferred embodiment, the air conditioning system of the present invention realizes reversing by providing the four-way valve 6, so that the refrigerant reverse circulation in the refrigerant circulation loop 1 can be controlled during reversing, and the air conditioning system can be switched between the cooling working condition and the heating working condition. It should be noted that, although the air conditioning system in the preferred embodiment is provided with the four-way valve 6 to adjust the working condition, this is not limitative, but the air conditioning system may also have no four-way valve 6, in which case, the air conditioning system may only be capable of running under one heat exchange working condition, and those skilled in the art may set the working condition according to the actual use requirement.
In addition, the water pump 9 is arranged to control the flow speed of water in the water circulation loop 2, so that the heat exchange efficiency of the air conditioning system is effectively improved. Meanwhile, the first indoor heat exchange fan 11 and the second indoor heat exchange fan 12 can assist the three-medium heat exchanger 4 and the water coil heat exchanger 10 to exchange heat respectively, so that the heat exchange efficiency of the air conditioning system is further improved. Further, a liquid level sensor 31 is provided in the water storage member 3 to detect the water level in the water storage member 3. Based on the arrangement mode, the air conditioning system of the invention utilizes water circulation to replace more refrigerant circulation by arranging the water storage component 3 and enabling the water storage component 3 to be selectively communicated with the water circulation loop 2, so that the heat exchange effect of the air conditioning system is ensured, and meanwhile, the utilization rate of energy sources is effectively improved.
It should be noted that, the specific types of the three-medium heat exchanger 4, the outdoor heat exchanger 7, the water coil heat exchanger 10 and the throttling component 8 are not limited in the present invention, so long as the heat exchange requirement of the air conditioning system can be satisfied, and those skilled in the art can set the heat exchange requirement according to the actual use requirement. For example, the throttle member 8 may be an electronic expansion valve or a capillary tube, which is not limitative. As a preferred embodiment, the throttle member 8 is an electronic expansion valve, and the three-medium heat exchanger 4 is a fin heat exchanger, so that the heat exchange effect between the refrigerant circulation loop 1 and the water circulation loop 2 can be effectively ensured, and the energy consumption of the air conditioning system can be effectively reduced.
In addition, it should be noted that the specific structure of the water storage component 3 is not limited in the invention, and the water storage component 3 can be a water tank or a water storage tank as long as the water storage component 3 has a water storage function; it will be appreciated that the specific structure of the water storage member 3 can be set by a person skilled in the art according to the actual use requirements. In addition, the invention does not limit the concrete communication mode between the water storage component 3 and the water circulation loop 2, the water storage component 3 can be directly arranged on the water circulation loop 2, can also be arranged outside the water circulation loop 2 and is communicated with the water circulation loop 2 through a connecting component, and can be set by a person skilled in the art according to the actual use condition.
Preferably, the air conditioning system further comprises a water supply branch 13 and a return branch 14, the water supply branch 13 being arranged to enable the water storage member 3 to communicate with the water circulation circuit 2 for water supply, and the return branch 14 being arranged to enable the water storage member 3 to communicate with the water circulation circuit 2 for return water. Based on the arrangement mode, the air conditioning system can selectively utilize the water in the water storage component 3 according to actual demands, so that the heat exchange effect of the air conditioning system can be effectively ensured, the waste of water resources can be effectively avoided, and the energy consumption of the air conditioning system is reduced.
Further, as a preferable arrangement mode, the water supply branch 13 is provided with a water supply control valve 131 to control the on-off state of the water supply branch 13, and the water return branch 14 is provided with a water return control valve 141 to control the on-off state of the water return branch 14, so as to effectively control the communication state of the water storage component 3 and the water circulation loop 2. The provision of the water supply control valve 131 and the return water control valve 141 can effectively realize that the water storage member 3 can be selectively communicated with the water circulation loop 2 so as to effectively reduce the energy consumption of the air conditioning system.
Further preferably, the air conditioning system of the present invention includes a plurality of water coil heat exchangers 10, and the plurality of water coil heat exchangers 10 are arranged in parallel. Multiple water coil heat exchangers 10 may be provided in different rooms to meet the heat exchange needs of users in different rooms. Of course, the number and distribution of the water coil heat exchangers 10 are not limited, and can be set by a person skilled in the art according to the actual use requirements of the user.
As a preferred embodiment, the water circulation circuit 2 is further provided with a plurality of circulation control valves, for example: the first circulation control valve 21, the second circulation control valve 22, the third circulation control valve 23 and the like, wherein the first circulation control valve 21 controls the on-off state of the water circulation loop 2, and the other circulation control valves respectively and correspondingly control the communication states of the water coil heat exchangers 10 so as to automatically set the operation states of the water coil heat exchangers 10 according to actual use requirements, thereby effectively reducing the energy consumption of the air conditioning system. Specifically, as a preferred embodiment, the first circulation control valve 21 is located between the junction of the water supply branch 13 and the water circulation circuit 2 and the junction of the water return branch 14 and the water circulation circuit 2, so that the water circulation circuit 2 can also communicate with the water storage member 3 without passing through the first circulation control valve 21, so as to satisfy different heat exchange requirements of users.
It should be noted that, the present invention does not limit the specific setting positions and the specific setting numbers of the plurality of circulation control valves, and those skilled in the art can set the circulation control valves according to the actual use requirements.
Further, in the preferred embodiment, the air conditioning system further includes a water supplementing branch 15 and a water draining branch 16, the water supplementing branch 15 is connected to the water circulation loop 2 to implement water supplementing, and a water supplementing control valve 151 is disposed on the water supplementing branch 15 to control the on-off state of the water supplementing branch 15; the drain branch 16 communicates with the water storage member 3 to drain water, and a drain control valve 161 is provided on the drain branch 16 to control the on-off state of the drain branch 16.
Based on the above setting mode, the setting of moisturizing branch road 15 can be timely and effectively for hydrologic cycle return circuit 2 moisturizing to effectively guarantee that water coil pipe heat exchanger 10 can satisfy indoor heat transfer demand. The water in the water storage component 3 can be discharged through the arrangement of the water discharge branch 16, so that the heat exchange requirement of the water circulation loop 2 can be effectively guaranteed, the water quality in the water circulation loop 2 can be effectively guaranteed, and the service life of the air conditioning system is further effectively guaranteed.
Further preferably, the air conditioning system further comprises a spray branch 17, wherein the spray branch 17 is communicated with the water circulation loop 2, and the spray branch 17 is arranged to be capable of performing spray treatment on the outdoor heat exchanger 7; of course, the sprayed water may be recycled to the water storage means 3, or may be directly discharged, which is not limitative. Specifically, the spray branch 17 is provided with a spray member 171 and a spray control valve 172, the spray member 171 is located between the outdoor heat exchanger 7 and the outdoor heat exchange fan 71, the spray control valve 172 is provided between the spray member 171 and the water circulation circuit 2, and the spray control valve 172 is provided so as to be able to control the communication state of the spray branch 17. The arrangement of the spraying branch 17 can effectively improve the heat exchange efficiency of the outdoor heat exchanger 7, and further effectively reduce the energy consumption of the air conditioning system.
It should be noted that, the present invention does not limit the specific structures, specific types, specific setting positions and specific setting numbers of the circulation control valve, the water supply control valve 131, the water return control valve 141, the water replenishment control valve 151, the drain control valve 161 and the spray control valve 172 mentioned in the above preferred embodiments, and the circulation control valve, the water supply control valve 131, the water return control valve 141, the water replenishment control valve 151, the drain control valve 161 and the spray control valve 172 may be ball valves or butterfly valves, so long as they have the effect of controlling on-off, which is not limited, and may be set by a person skilled in the art according to actual use conditions.
In addition, the specific structure of the shower member 171 is not limited in the present invention, and may be set by those skilled in the art. As a preferred embodiment, the spraying member 171 includes a housing, a cavity is formed in the housing, and a plurality of spraying holes are formed in the housing, the housing is communicated with the spraying branch 17, and the spraying holes are communicated with the cavity, and water in the spraying branch 17 is stored in the cavity and then sprayed to the outdoor heat exchanger 7 through the spraying holes, so as to exchange heat with the outdoor heat exchanger 7, thereby effectively reducing energy consumption of the air conditioning system.
Based on the above preferred embodiments, the communication state of the plurality of pipes of the air conditioning system of the present invention includes the following cases:
1. when only the refrigerant circulation circuit 1 is in the communication state, the plurality of circulation control valves, the water supply control valve 131, the water return control valve 141, the water replenishment control valve 151, the drain control valve 161, and the shower control valve 172 are all in the closed state.
2. In the case where the refrigerant circulation circuit 1 and the water circulation circuit 2 are in the communication state, and the single or multiple water coil heat exchangers 10 are in the operation state, the first circulation control valve 21 is in the open state, and a user can open one or more of the second circulation control valve 22 and the third circulation control valve 23 according to the actual use requirement, and the water supply control valve 131, the water return control valve 141, the water replenishment control valve 151, the water drain control valve 161, and the shower control valve 172 are in the closed state.
3. In the case where the refrigerant circulation circuit 1, the water circulation circuit 2, the water supply branch 13 and the return water branch 14 are in a communication state, and the single or multiple water coil heat exchangers 10 are in an operation state, a user may open one or more of the second circulation control valve 22 and the third circulation control valve 23 according to actual use requirements, the water supply control valve 131 and the return water control valve 141 are in an open state, and the shower control valve 172 is in a closed state. The water replenishing branch 15 and the water discharging branch 16 may be respectively connected and disconnected through the water replenishing control valve 151 and the water discharging control valve 161 according to actual use requirements.
It should be noted that, in this case, the first circulation control valve 21 may be in an open state or a closed state, which does not affect the communication state between the water circulation loop 2 and the water supply branch 13 and the water return branch 14, and the user may set the on-off state of the first circulation control valve 21 according to the actual heat exchange requirement.
4. In the case that the refrigerant circulation circuit 1, the water circulation circuit 2 and the spray branch 17 are in a communication state, and the single or multiple water coil heat exchangers 10 are in an operation state, the first circulation control valve 21 is in an open state, and a user can open one or more of the second circulation control valve 22 and the third circulation control valve 23 according to actual use requirements, at this time, the spray control valve 172 is in an open state, and the water supply control valve 131 and the water return control valve 141 are in a closed state. The water replenishing branch 15 and the water discharging branch 16 may be respectively connected and disconnected through the water replenishing control valve 151 and the water discharging control valve 161 according to actual use requirements.
5. In the case where the refrigerant circulation circuit 1, the water circulation circuit 2, the spray branch 17, the water supply branch 13, and the return branch 14 are in a communication state, and the single or multiple water coil heat exchangers 10 are in an operation state, a user may open one or more of the second circulation control valve 22 and the third circulation control valve 23 according to actual use requirements, and the water supply control valve 131, the return control valve 141, and the spray control valve 172 are in an open state. The water replenishing branch 15 and the water discharging branch 16 may be respectively connected and disconnected through the water replenishing control valve 151 and the water discharging control valve 161 according to actual use requirements.
It should be noted that, at this time, the first circulation control valve 21 may be in an open state or a closed state, which does not affect the communication state between the water circulation loop 2 and the water supply branch 13 and the water return branch 14, and the user may set the on-off state of the first circulation control valve 21 according to the actual heat exchange requirement.
Of course, it is easily understood by those skilled in the art that the communication state of the plurality of pipes of the air conditioning system of the present invention is not limited to the above case, but only for illustrating the operation state of the air conditioning system of the present invention in more detail, and those skilled in the art can understand the structure of the air conditioning system according to the present invention by themselves.
Further, the air conditioning system of the present invention further comprises a temperature sensor capable of detecting the temperature of the indoor heat exchange space and a controller capable of acquiring detection data of the temperature sensor and also capable of controlling the operation state of the air conditioning system, for example, the communication state of the four-way valve; the on-off states of the circulation control valve, the water supply control valve 131, the backwater control valve 141, the water supplementing control valve 151, the water draining control valve 161 and the spraying control valve 172 are controlled; controlling the operating frequencies of the water pump 9 and the variable frequency compressor 5; the operation state of the first indoor heat exchange fan 11 is controlled, etc. It will be understood by those skilled in the art that the present invention does not limit the specific structure and model of the controller, and the controller may be an original controller of the air conditioning system or a controller separately provided for executing the defrosting control method of the present invention, and the skilled person may set the structure and model of the controller according to the actual use requirement.
Referring next to fig. 3, a flow chart of main steps of the control method of the present invention is shown. As shown in fig. 3, based on the air conditioning system described in the above embodiment, the control method of the present invention mainly includes the following steps:
s1: acquiring the temperature of each indoor heat exchange space;
s2: controlling the operation states of the refrigerant circulation loop and the water circulation loop according to the temperature of each indoor heat exchange space;
s3: acquiring the required heat exchange quantity of each indoor heat exchange space;
s4: and controlling the communication states of the water storage component, the spraying branch and the water circulation loop according to the heat exchange quantity required by each indoor heat exchange space.
First, in steps S1 and S2, the controller obtains the temperature of each indoor heat exchange space, and controls the operation states of the refrigerant circulation circuit 1 and the water circulation circuit 2 according to the temperature of each indoor heat exchange space. It should be noted that, the present invention does not limit the specific acquiring manner and acquiring timing of the temperature of each indoor heat exchange space, and the temperature may be acquired in real time or may be acquired at a certain interval, which is not limited. In addition, it should be noted that the present invention is not limited in any way to control the operation of the refrigerant circulation circuit 1 and the water circulation circuit 2 according to the temperature of each indoor heat exchange space, for example, the temperature of each indoor heat exchange space may be compared, or the temperature of each indoor heat exchange space may be compared with a preset temperature value, which may be set by a person skilled in the art according to the actual situation.
Next, in steps S3 and S4, the controller obtains the required heat exchange amount of each indoor heat exchange space, and controls the communication states of the water storage member 3 and the spray branch 17 with the water circulation loop 2 according to the required heat exchange amount of each indoor heat exchange space. It should be noted that, the present invention does not limit the specific obtaining manner of the required heat exchange amount of each indoor heat exchange space, and the specific obtaining manner may be set by a user, or may be obtained by the controller through automatic calculation according to the actual running condition of the air conditioning system, which is not limited, and may be set by a person skilled in the art according to the actual condition.
Referring next to fig. 4, a flowchart of specific steps of a first preferred embodiment of the control method of the present invention is shown. As shown in fig. 4, based on the air conditioning system described in the above preferred embodiment, a first preferred embodiment of the control method of the present invention specifically includes the steps of:
s101: acquiring the temperature of each indoor heat exchange space;
s102: if the absolute value of the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature is larger than the preset difference value, controlling the operation of a refrigerant circulation loop;
s103: controlling the operation frequency of the variable frequency compressor according to the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature;
s104: if the absolute value of the difference value between the temperature of the indoor heat exchange space where the water coil heat exchanger is positioned and the target indoor temperature is larger than the preset difference value, controlling the operation of the refrigerant circulation loop and the water circulation loop;
s105: if the absolute value of the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature is smaller than or equal to a preset difference value, controlling the first indoor heat exchange fan to stop running;
s106: and controlling the running frequency of the water pump according to the difference value between the temperature of the indoor heat exchange space where the water coil heat exchanger is positioned and the target indoor temperature.
In step S101, the controller obtains the temperature of each indoor heat exchange space, and controls the operation states of the refrigerant circulation circuit 1 and the water circulation circuit 2 according to the temperature of each indoor heat exchange space. It should be noted that, the present invention does not limit the specific acquiring manner and acquiring timing of the temperature of each indoor heat exchange space, and the temperature may be acquired in real time or may be acquired at a certain interval, which is not limited.
Specifically, in step S102, if the absolute value of the difference between the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the target indoor temperature is greater than the preset difference, it is indicated that the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located at this time cannot meet the use requirement of the user, and the controller controls the refrigerant circulation loop 1 to operate. Otherwise, if the absolute value of the difference between the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the target indoor temperature is smaller than or equal to the preset difference, it is indicated that the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located can meet the use requirement of a user at the moment, and the controller controls the refrigerant circulation loop 1 not to operate.
Further, in step S103, in the case where the refrigerant circulation circuit 1 is operated, the controller controls the operation frequency of the inverter compressor 5 according to the difference between the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the target indoor temperature. As a preferred embodiment, the difference between the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the target indoor temperature is proportional to the operation frequency of the inverter compressor 5, that is, the larger the difference between the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the target indoor temperature is, the higher the operation frequency of the inverter compressor 5 is, whereas the smaller the difference between the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the target indoor temperature is, the lower the operation frequency of the inverter compressor 5 is.
It should be noted that, the present invention does not limit the specific determination mode of the target indoor temperature, and the target indoor temperature may be set by a user or may be set according to the actual operation condition of the air conditioning system, which is not limited. In addition, it should be noted that the present invention does not limit the specific operating frequency of the inverter compressor 5, and those skilled in the art can set the operating frequency according to the actual situation.
Further, in step S104, if the absolute value of the difference between the temperature of the indoor heat exchange space where the water coil heat exchanger 10 is located and the target indoor temperature is greater than the preset difference, which indicates that the temperature of the indoor heat exchange space where the water coil heat exchanger 10 is located cannot meet the use requirement of the user, the controller controls the refrigerant circulation circuit 1 and the water circulation circuit 2 to operate. Otherwise, if the absolute value of the difference between the temperature of the indoor heat exchange space where the water coil heat exchanger 10 is located and the target indoor temperature is smaller than or equal to the preset difference, which means that the temperature of the indoor heat exchange space where the water coil heat exchanger 10 is located can meet the use requirement of a user, the controller controls the water circulation loop 2 not to operate; at this time, the operation state of the refrigerant circulation circuit 1 is determined according to step S102.
Further preferably, in step S105, under the condition that both the refrigerant circulation loop 1 and the water circulation loop 2 are operated, if the absolute value of the difference between the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the target indoor temperature is less than or equal to the preset difference, which indicates that the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located at this time meets the use requirement of the user, the controller controls the first indoor heat exchange fan 11 to stop operating, so as to effectively reduce the energy consumption of the air conditioning system. Otherwise, if the absolute value of the difference between the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the target indoor temperature is greater than the preset difference, the controller controls the first indoor heat exchange fan 11 to continue to operate. Of course, the specific operation rotation speed of the first indoor heat exchange fan 11 is not limited in the present invention, and as a preferred setting manner, the operation rotation speed of the first indoor heat exchange fan 11 is in direct proportion to the temperature of the indoor heat exchange space where the three-medium heat exchanger 4 is located and the absolute value of the difference value of the target indoor temperature.
Further, in step S106, when both the refrigerant circulation circuit 1 and the water circulation circuit 2 are operated, the operation frequency of the water pump 9 is controlled according to the difference between the temperature of the indoor heat exchange space where the water coil heat exchanger 10 is located and the target indoor temperature; preferably, the difference between the temperature of the indoor heat exchange space where the water coil heat exchanger 10 is located and the target indoor temperature is proportional to the operating frequency of the water pump 9, so as to effectively meet the heat exchange requirement of the indoor heat exchange space where the water coil heat exchanger 10 is located.
It should be noted that, the specific execution sequence of the step S105 and the step S106 is not limited in the present invention, and may be executed sequentially without being sequenced, or may be executed simultaneously, which may be set by a person skilled in the art according to actual use requirements.
Reference is next made to fig. 5, which is a flowchart showing the specific steps of a second preferred embodiment of the control method of the present invention. As shown in fig. 5, based on the air conditioning system described in the above preferred embodiment, a second preferred embodiment of the control method of the present invention specifically includes the steps of:
s201: acquiring the required heat exchange quantity of each indoor heat exchange space;
s202: if the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is positioned is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is positioned is smaller than or equal to the preset heat exchange amount, only controlling the communication between the spraying branch and the water circulation loop;
s203: if the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is located is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is located is smaller than or equal to the preset heat exchange amount, only controlling the water storage component to be communicated with the water circulation loop;
s204: if the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is located is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is located is larger than the preset heat exchange amount, the water storage component and the spraying branch are controlled to be communicated with the water circulation loop.
In step S201, the controller obtains the required heat exchange amount of each indoor heat exchange space, and controls the communication states of the water storage member 3 and the spray branch 17 with the water circulation loop 2 according to the required heat exchange amount of each indoor heat exchange space. It should be noted that, the present invention does not limit the specific obtaining manner of the required heat exchange amount of each indoor heat exchange space, and the specific obtaining manner may be set by a user, or may be obtained by the controller through automatic calculation according to the actual running condition of the air conditioning system, which is not limited, and may be set by a person skilled in the art.
Specifically, in steps S202 to S204, if the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger 4 is located is greater than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger 10 is located is less than or equal to the preset heat exchange amount, the controller only controls the spray branch 17 to communicate with the water circulation loop 2. If the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger 10 is located is greater than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger 4 is located is less than or equal to the preset heat exchange amount, the controller only controls the water storage component 3 to be communicated with the water circulation loop 2. If the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger 4 is located is greater than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger 10 is located is greater than the preset heat exchange amount, the controller controls the water storage component 3 and the spraying branch 17 to be communicated with the water circulation loop 2 so as to more effectively meet the heat exchange requirement of a user. If the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger 4 is located is less than or equal to the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger 10 is located is less than or equal to the preset heat exchange amount, the controller controls the water storage component 3 and the spraying branch 17 not to be communicated with the water circulation loop 2, so that waste of water resources is avoided.
Further, in the present preferred embodiment, the control method further includes: the controller acquires the water level height of the water storage member 3 and determines the water discharge timing of the water storage member 3 according to the water level height of the water storage member 3. Specifically, if the water level of the water storage member 3 is greater than the preset water level, the controller controls the drain control valve 161 to be opened to drain the water storage member 3 so as to avoid water in the water storage member 3 from overflowing; otherwise, if the water level of the water storage member 3 is less than or equal to the preset water level, the controller controls the drain control valve 161 to be kept closed to ensure the heat exchange requirement of the air conditioning system.
It should be noted that, the present invention does not limit the water level height of the water storage member 3 obtained by the controller in the steps and the specific execution sequence of other steps, and may be executed sequentially or simultaneously, which can be set by a person skilled in the art according to actual use requirements.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims (5)

1. The control method of the air conditioning system is characterized in that the air conditioning system comprises a refrigerant circulation loop, a water storage component and a spraying branch, wherein a three-medium heat exchanger, a variable-frequency compressor, an outdoor heat exchanger and a throttling component are sequentially arranged on the refrigerant circulation loop, a water pump, a water coil heat exchanger and the three-medium heat exchanger are arranged on the water circulation loop, the refrigerant circulation loop and the water circulation loop can exchange heat through the three-medium heat exchanger, a first indoor heat exchange fan is arranged near the three-medium heat exchanger, a second indoor heat exchange fan is arranged near the water coil heat exchanger, the water storage component is arranged to be selectively communicated with the water circulation loop to selectively supply water to the water circulation loop, the spraying branch is communicated with the water circulation loop, and the spraying branch is arranged to be capable of carrying out spraying treatment on the outdoor heat exchanger;
the control method comprises the following steps:
acquiring the temperature of each indoor heat exchange space;
if the absolute value of the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature is larger than the preset difference value, controlling the refrigerant circulation loop to operate;
if the absolute value of the difference value between the temperature of the indoor heat exchange space where the water coil heat exchanger is positioned and the target indoor temperature is larger than the preset difference value, controlling the refrigerant circulation loop and the water circulation loop to operate;
acquiring the required heat exchange quantity of each indoor heat exchange space;
if the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is located is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is located is smaller than or equal to the preset heat exchange amount, only controlling the spray branch to be communicated with the water circulation loop;
if the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is located is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is located is smaller than or equal to the preset heat exchange amount, only controlling the water storage component to be communicated with the water circulation loop;
if the required heat exchange amount of the indoor heat exchange space where the three-medium heat exchanger is located is larger than the preset heat exchange amount and the required heat exchange amount of the indoor heat exchange space where the water coil heat exchanger is located is larger than the preset heat exchange amount, the water storage component and the spraying branch are controlled to be communicated with the water circulation loop.
2. The control method according to claim 1, characterized in that the control method further comprises:
and under the condition that the refrigerant circulation loop and the water circulation loop are operated, if the absolute value of the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature is smaller than or equal to the preset difference value, controlling the first indoor heat exchange fan to stop operating.
3. The control method according to claim 2, characterized in that the control method further comprises:
and under the condition that the refrigerant circulation loop operates, controlling the operating frequency of the variable frequency compressor according to the difference value between the temperature of the indoor heat exchange space where the three-medium heat exchanger is positioned and the target indoor temperature.
4. The control method according to claim 2, characterized in that the control method further comprises:
and under the condition that the refrigerant circulation loop and the water circulation loop are operated, controlling the operation frequency of the water pump according to the difference value between the temperature of the indoor heat exchange space where the water coil heat exchanger is positioned and the target indoor temperature.
5. The control method according to any one of claims 1 to 2, characterized in that the air conditioning system further includes a drain branch that communicates with the water storage member to effect drainage, the control method further comprising:
acquiring the water level height of the water storage component;
and if the water level of the water storage component is greater than the preset water level, controlling the water storage component to drain.
CN202210190224.8A 2022-02-28 2022-02-28 Control method of air conditioning system Active CN114517959B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210190224.8A CN114517959B (en) 2022-02-28 2022-02-28 Control method of air conditioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210190224.8A CN114517959B (en) 2022-02-28 2022-02-28 Control method of air conditioning system

Publications (2)

Publication Number Publication Date
CN114517959A CN114517959A (en) 2022-05-20
CN114517959B true CN114517959B (en) 2024-02-20

Family

ID=81599989

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210190224.8A Active CN114517959B (en) 2022-02-28 2022-02-28 Control method of air conditioning system

Country Status (1)

Country Link
CN (1) CN114517959B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060011389A (en) * 2004-07-30 2006-02-03 권영현 Heat source apparatus of heating and cooling system for preventing winter-sowing
JP2008032376A (en) * 2006-07-06 2008-02-14 Tsutomu Kuroda Heat pump liquid heating air conditioner or apparatus
CN203336881U (en) * 2013-05-03 2013-12-11 大连三洋压缩机有限公司 Improved evaporative type condenser water supply cycling system
CN104165422A (en) * 2013-05-17 2014-11-26 广东美的暖通设备有限公司 Water side heat exchange system, water source heat pump air conditioner and control method thereof
CN104567096A (en) * 2013-10-21 2015-04-29 朱绍伟 Heat exchange unit of water chilling and warming machine and operating method thereof
CN105180408A (en) * 2015-10-27 2015-12-23 沈阳立德迅科技有限公司 Special air conditioner for dry type computer room and implementation method of air conditioner
CN207146724U (en) * 2017-07-17 2018-03-27 西安建筑科技大学 A kind of full air-conditioning system of family formula fresh air purifying
CN109959101A (en) * 2019-05-05 2019-07-02 李社红 Heat-exchanger rig and heat pump air conditioning system with it
CN112484339A (en) * 2020-12-09 2021-03-12 清华大学 Domestic hot water, cold supply and heat supply combined supply system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060011389A (en) * 2004-07-30 2006-02-03 권영현 Heat source apparatus of heating and cooling system for preventing winter-sowing
JP2008032376A (en) * 2006-07-06 2008-02-14 Tsutomu Kuroda Heat pump liquid heating air conditioner or apparatus
CN203336881U (en) * 2013-05-03 2013-12-11 大连三洋压缩机有限公司 Improved evaporative type condenser water supply cycling system
CN104165422A (en) * 2013-05-17 2014-11-26 广东美的暖通设备有限公司 Water side heat exchange system, water source heat pump air conditioner and control method thereof
CN104567096A (en) * 2013-10-21 2015-04-29 朱绍伟 Heat exchange unit of water chilling and warming machine and operating method thereof
CN105180408A (en) * 2015-10-27 2015-12-23 沈阳立德迅科技有限公司 Special air conditioner for dry type computer room and implementation method of air conditioner
CN207146724U (en) * 2017-07-17 2018-03-27 西安建筑科技大学 A kind of full air-conditioning system of family formula fresh air purifying
CN109959101A (en) * 2019-05-05 2019-07-02 李社红 Heat-exchanger rig and heat pump air conditioning system with it
CN112484339A (en) * 2020-12-09 2021-03-12 清华大学 Domestic hot water, cold supply and heat supply combined supply system

Also Published As

Publication number Publication date
CN114517959A (en) 2022-05-20

Similar Documents

Publication Publication Date Title
TWI747937B (en) Systems and methods for controlling a refrigeration system
CA2445970C (en) Air-conditioning system
KR100780460B1 (en) The cooling and heating system of economic type by heatpumps
CN103229006B (en) Supplying hot water air-conditioning set composite
EP1679476B1 (en) Multi-unit air conditioning system with humidifying function
CN107062473A (en) A kind of solar air source heat pumps combined supply system
CN106016465A (en) Variable frequency fluorine pump air conditioner
CN104515217B (en) Energy accumulation air conditioner and control method
CN103776114A (en) Direct expansion type heat pump type comprehensive energy utilization system and control method thereof
CN110579036A (en) Multi-split cold and hot water system and control method thereof
CN104613667A (en) Combined air-conditioning system as well as control method thereof
CN108344086B (en) Refrigerating system based on evaporative condenser and control method thereof
CN112325379B (en) Multi-split air conditioner floor heating system and control method
CN113587179A (en) Multi-split air conditioning system
CN114517959B (en) Control method of air conditioning system
KR101844581B1 (en) Heat source integrated air conditioner
CN215832055U (en) Indoor air processing system
CN212253244U (en) Air conditioning system
CN211575343U (en) Central air conditioning system for cooling and dehumidifying of variable-frequency multi-connected floor heating air duct machine
CN108507237A (en) A kind of data center's refrigeration system
CN209944575U (en) Condensing and heat exchanging system of outdoor unit of air conditioner
CN110986202A (en) Device for dehumidifying working medium direct expansion floor heating and cooling air pipe machine with accurate control
CN110986204A (en) Central air-conditioning system for cooling and dehumidifying of variable-frequency multi-connected floor heating air duct machine
KR20200119676A (en) Integrated heat source system air conditioning system for air conditioning and indoor air control
CN219976602U (en) Water-cooling multi-connected air conditioning system for subway station

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant