CN114754425A - Heat pump type three-pipe air conditioning system and control method thereof - Google Patents
Heat pump type three-pipe air conditioning system and control method thereof Download PDFInfo
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- CN114754425A CN114754425A CN202210373240.0A CN202210373240A CN114754425A CN 114754425 A CN114754425 A CN 114754425A CN 202210373240 A CN202210373240 A CN 202210373240A CN 114754425 A CN114754425 A CN 114754425A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000007791 dehumidification Methods 0.000 claims abstract description 24
- 238000005057 refrigeration Methods 0.000 claims abstract description 23
- 238000001704 evaporation Methods 0.000 claims description 46
- 230000008020 evaporation Effects 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000007664 blowing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F3/10—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 with separate supply lines and common return line for hot and cold heat-exchange fluids i.e. so-called "3-conduit" system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a heat pump type three-tube air conditioning system and a control method thereof, and relates to the technical field of air conditioners. The system connection of the invention is simple and optimized, the manufacturing cost is low, the cold and heat requirements of various air conditioners are met, so that people feel comfortable, the use experience of users to the air conditioners is improved by controlling the refrigeration, heating and dehumidification of a single area, the daily use power consumption of the air conditioners is effectively reduced, the satisfaction of the users and the comfort of the air conditioners are effectively improved, and the invention has superior technical and economic properties.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a heat pump type three-tube air conditioner system and a control method thereof.
Background
In the social living environment which is changing day by day, the demand of people on life is continuously increased, the quality of life is also continuously improved, and the increasingly urgent thing is to create comfortable life and working environment; meanwhile, the air conditioner continuously comes into common families, and every family can use the air conditioner, so that in recent years, along with the development of economy, the requirement of people on indoor life quality is higher and higher, and the research on meeting sustainable development technology is particularly urgent.
At present, a household air conditioner generally uses a double-pipe wall-mounted air conditioner indoor unit, but due to the limitation of room space, the air conditioner is always mounted opposite to a bed when being mounted, the air conditioner is directly blown to different users, the users feel different, people feel comfortable and feel uncomfortable, and the satisfaction of the users and the comfort of the use of the air conditioner are reduced. Therefore, the existing household air conditioner has the problem that the functions of refrigerating, dehumidifying, heating, air supplying and the like of all regions or different regions cannot be realized according to the selection of a user.
Disclosure of Invention
The present invention is directed to a heat pump type three-pipe air conditioning system and a control method thereof, so as to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a heat pump type three-tube air conditioning system and a control method thereof, the heat pump type three-tube air conditioning system comprises a compressor and a filter, a discharge port and an inlet of the compressor are respectively connected with an inlet at one side and an outlet at one side of a four-way valve, an inlet at the other side of the four-way valve is connected with an outlet of a third stop valve, an outlet at the other side of the four-way valve is connected with an inlet of a condenser, an inlet of the filter is connected with an outlet of the condenser, an outlet of the filter is respectively connected with a first electromagnetic valve and a second electromagnetic valve, an outlet of the first electromagnetic valve is sequentially connected with a first throttle module, the first stop valve and a first evaporator, an outlet of the second electromagnetic valve is sequentially connected with a second throttle module and a second stop valve, an outlet of the second stop valve is connected with a second evaporator, an outlet of the second evaporator is connected with an inlet of the third stop valve, a condensing fan is installed at one side of the condenser, a first evaporation fan is installed on one side of the first evaporator, and a second evaporation fan is installed on one side of the second evaporator.
Further, the control method of the heat pump type three-tube air conditioning system comprises the following specific steps:
S1 full-area refrigeration and dehumidification mode
The four-way valve is powered off, the first electromagnetic valve and the second electromagnetic valve are respectively conducted to form two paths, wherein the first path conducts the first electromagnetic valve, the first throttling module, the first stop valve and the first evaporator (8), and then enters the compressor to form a loop after passing through the third stop valve;
the second passage conducts the second electromagnetic valve, the second throttling module, the second stop valve and the second evaporator, and then enters the compressor to form a loop after passing through the third stop valve;
s2 Single-zone refrigeration and dehumidification mode
The four-way valve is powered off, according to the area used by a user, the controller conducts the electromagnetic valve of the evaporator in the corresponding area, closes other electromagnetic valves and starts the air conditioning system; when the left zone refrigeration and dehumidification mode is selected, the first electromagnetic valve is opened, the air conditioning system is started, and the second electromagnetic valve and the second evaporation fan are closed; when the right area refrigeration and dehumidification mode is selected, the second electromagnetic valve is opened, the air conditioning system is started, and the first electromagnetic valve and the first evaporation fan are closed.
S3 single-area refrigeration and dehumidification and single-area air supply mode
The four-way valve is powered off, when the left area refrigeration/dehumidification is selected and the right area air supply is selected, the first electromagnetic valve, the first evaporation fan and the second evaporation fan are opened, and the second electromagnetic valve is closed; when the right area refrigeration/dehumidification is selected and the left area air supply is carried out, the second electromagnetic valve, the first evaporation fan and the second evaporation fan are opened, and the first electromagnetic valve is closed;
S4 full-area heating mode
The four-way valve is electrified, and when reaching the indoor unit, the refrigerant respectively enters the first evaporator and the second evaporator, and the first electromagnetic valve and the second electromagnetic valve are respectively conducted to form two passages; the first passage is communicated with the first evaporator, the first stop valve, the first throttling module and the first electromagnetic valve, and then enters the four-way valve and the compressor to form a loop after passing through the condenser; the second passage conducts the second evaporator, the second stop valve, the second throttling module and the second electromagnetic valve, and then enters the four-way valve and the compressor to form a loop after passing through the condenser;
s5 single-region heating mode
The four-way valve is electrified; when the left area heating mode is selected, the first electromagnetic valve is opened, the air conditioning system is started, and the second electromagnetic valve and the second evaporation fan are closed; when the right area heating mode is selected, the second electromagnetic valve is opened, the air conditioning system is started, and the first electromagnetic valve and the first evaporation fan are closed;
s6 single-area heating and single-area air supply mode
The four-way valve is powered on, when the left area is selected for heating and the right area is selected for air supply, the first electromagnetic valve, the first evaporation fan and the second evaporation fan are opened, and the second electromagnetic valve is closed; when the right area is selected for heating and the left area is selected for air supply, the second electromagnetic valve, the first evaporation fan and the second evaporation fan are opened, and the first electromagnetic valve is closed.
Further, the first throttle module and the second throttle module in the process of the step S1 full-area cooling/dehumidifying mode are specifically electronic expansion valves, and the specific model of the electronic expansion valve is UKV-14D.
The invention provides a heat pump type three-tube air conditioning system and a control method thereof, which have the following beneficial effects: the heat pump type three-tube air conditioning system and the control method thereof have the advantages that the system connection is simple and optimized, the manufacturing cost is low, the cold and heat requirements of various air conditioners are met, so that people feel comfortable, the experience is good, the user experience of the air conditioner is improved by controlling the refrigeration, heating and dehumidification of a single area, the daily use power consumption of the air conditioner is effectively reduced, the satisfaction of the user and the comfort of the air conditioner are effectively improved, and the heat pump type three-tube air conditioning system has superior technical performance and economic performance.
Drawings
FIG. 1 is a schematic diagram of a heat pump type three-tube air conditioning system according to the present invention;
FIG. 2 is a schematic diagram illustrating the system operation in a full-zone cooling/dehumidifying mode of a heat pump type three-tube air conditioning system and a control method thereof according to the present invention;
FIG. 3 is a schematic diagram of the system operation in the left zone cooling/dehumidifying and right zone off modes of the heat pump type three-tube air conditioning system and its control method according to the present invention;
FIG. 4 is a schematic diagram of the system operation in the right zone cooling/dehumidifying and left zone off modes of the heat pump type three-tube air conditioning system and its control method according to the present invention;
FIG. 5 is a schematic diagram of the system operation in the left cooling/dehumidifying and right blowing modes of the heat pump type three-tube air conditioning system and its control method of the present invention;
FIG. 6 is a schematic diagram of the system operation in the right zone cooling/dehumidifying and left zone blowing modes of the heat pump type three-tube air conditioning system and the control method thereof according to the present invention;
FIG. 7 is a schematic diagram of the system operation in the full-area heating mode of a heat pump type three-tube air conditioning system and the control method thereof according to the present invention;
FIG. 8 is a schematic diagram of the system operation in the left zone heating and right zone shutdown modes of a heat pump type three-tube air conditioning system and control method thereof according to the present invention;
FIG. 9 is a schematic diagram of the system operation in the right zone heating and left zone off modes of a heat pump type three-tube air conditioning system and control method thereof according to the present invention;
FIG. 10 is a schematic diagram of the system operation in the left zone heating mode and the right zone blowing mode of the heat pump type three-tube air conditioning system and the control method thereof according to the present invention;
fig. 11 is a schematic diagram of the system operation in the right zone heating mode and the left zone blowing mode of the heat pump type three-tube air conditioning system and the control method thereof according to the present invention.
In the figure: 1. a compressor; 2. a four-way valve; 3. a condenser; 4. a filter; 5. a first solenoid valve; 6. a first throttling module; 7. a first shut-off valve; 8. a first evaporator; 9. a second solenoid valve; 10. a second throttling module; 11. a second stop valve; 12. a second evaporator; 13. a third stop valve; 14. a condensing fan; 15. a first evaporation fan; 16. and a second evaporation fan.
Detailed Description
Referring to fig. 1-11, the present invention provides a technical solution: a heat pump type three-tube air conditioning system and a control method thereof, the heat pump type three-tube air conditioning system comprises a compressor 1 and a filter 4, a discharge port and an inlet of the compressor 1 are respectively connected with a side inlet D and a side outlet S of a four-way valve 2, the other side inlet E of the four-way valve 2 is connected with an outlet of a third stop valve 13, the other side outlet C of the four-way valve 2 is connected with an inlet of a condenser 3, an inlet of the filter 4 is connected with an outlet of the condenser 3, an outlet of the filter 4 is respectively connected with a first electromagnetic valve 5 and a second electromagnetic valve 9, an outlet of the first electromagnetic valve 5 is sequentially connected with a first throttle module 6, a first stop valve 7 and a first evaporator 8, an outlet of the second electromagnetic valve 9 is sequentially connected with a second throttle module 10 and a second stop valve 11, an outlet of the second stop valve 11 is connected with a second evaporator 12, an outlet of the second evaporator 12 is connected with an inlet of the third stop valve 13, a condensing fan 14 is installed at one side of the condenser 3, a first evaporating fan 15 is installed at one side of the first evaporator 8, and a second evaporating fan 16 is installed at one side of the second evaporator 12.
The system is simple and easy to operate, low in manufacturing cost, capable of meeting the cold and hot needs of various air conditioners, comfortable for people to feel, good in experience, capable of improving the using experience of users on the air conditioners through controlling refrigeration, heating and dehumidification of a single area, capable of effectively reducing the daily using power consumption of the air conditioners, effectively improving the satisfaction of the users and the comfort of the air conditioners, and superior in technology and economical efficiency.
The embodiment further provides a control method based on the heat pump type three-tube air conditioning system, which specifically comprises the following steps:
s1 full-area refrigeration and dehumidification mode
As shown in fig. 2, the four-way valve 2 is powered off, and the first solenoid valve 5 and the second solenoid valve 9 are respectively conducted to form two paths, wherein the first path conducts the first solenoid valve 5, the first throttling module 6, the first cut-off valve 7 and the first evaporator 8, and then enters the compressor 1 to form a loop after passing through the third cut-off valve 13;
the second path conducts the second electromagnetic valve 9, the second throttle module 10, the second stop valve 11 and the second evaporator 12, and then enters the compressor 1 after passing through the third stop valve 13 to form a loop.
The first throttling module (7) and the second throttling module (10) in the process of the full-area refrigeration/dehumidification mode in the step S1 are electronic expansion valves, and the specific models of the electronic expansion valves are UKV-14D types.
S2, single-area refrigeration and dehumidification mode
The four-way valve 2 is powered off, and according to the area selected by the user, the controller conducts the electromagnetic valve of the evaporator in the corresponding area, closes other electromagnetic valves and starts the air-conditioning system.
As shown in fig. 3, when the user selects the left zone cooling and dehumidifying mode, the first solenoid valve 5 is opened, the air conditioning system is started, and the second solenoid valve 9 and the second evaporation fan 16 are closed.
As shown in fig. 4, when the user selects the right zone cooling and dehumidifying mode, the second solenoid valve 9 is opened, the air conditioning system is started, and the first solenoid valve 5 and the first evaporation fan 15 are closed.
S3, single-area refrigeration and dehumidification and single-area air supply mode
The four-way valve 2 is powered off, the single-area refrigeration and dehumidification areas selected by the user are used, the controller conducts the electromagnetic valves of the evaporators in the corresponding areas, the electromagnetic valves in the corresponding areas are closed according to the single-area air supply areas required by the user, and the corresponding evaporation fans are opened.
As shown in fig. 5, when the user selects to use the left area for cooling and dehumidifying and the right area for blowing air, the first solenoid valve 5, the first evaporation fan 15 and the second evaporation fan 16 are opened, and the second solenoid valve 9 is closed.
As shown in fig. 6, when the user selects the right zone cooling and dehumidification and the left zone blowing, the second solenoid valve 9, the first evaporation fan 15 and the second evaporation fan 16 are opened, and the first solenoid valve 5 is closed.
S4 full-area heating mode
As shown in fig. 7, when the four-way valve 2 is powered on, the refrigerant reaches the indoor unit, and is divided into two parts according to the pipeline, and the two parts enter the first evaporator 8 and the second evaporator 12 respectively, and the first electromagnetic valve 5 and the second electromagnetic valve 9 are respectively conducted to form two passages; the first path conducts the first evaporator 8, the first stop valve 7, the first throttling module 6 and the first electromagnetic valve 5, and then enters the four-way valve 2 and the compressor 1 to form a loop after passing through the condenser 3; the second path conducts the second evaporator 12, the second stop valve 11, the second throttle module 10 and the second electromagnetic valve 9, and then enters the four-way valve 2 and the compressor 1 after passing through the condenser 3 to form a loop.
S5, Single-region heating mode
And the four-way valve 2 is electrified, and according to the area selected by the user, the controller conducts the electromagnetic valve of the evaporator in the corresponding area, closes other electromagnetic valves and starts the air conditioning system.
As shown in fig. 8, when the user selects the left zone heating mode, the first solenoid valve 5 is opened, the air conditioning system is started, and the second solenoid valve 9 and the second evaporation fan 16 are closed.
As shown in fig. 9, when the user selects the right zone heating mode, the second solenoid valve 9 is opened, the air conditioning system is started, and the first solenoid valve 5 and the first evaporation fan 15 are closed.
S6, single-area heating and single-area air supply mode
The four-way valve 2 is powered on, according to the single-area heating area selected by the user, the controller of the air conditioning system conducts the electromagnetic valve of the evaporator in the corresponding area, according to the single-area air supply area selected by the user, the corresponding electromagnetic valve is closed, and the corresponding evaporation fan is opened.
As shown in fig. 10, when the user selects to use the left zone for heating and the right zone for blowing, the first solenoid valve 5, the first evaporation fan 15 and the second evaporation fan 16 are opened, and the second solenoid valve 9 is closed.
As shown in fig. 11, when the user selects the right zone heating and the left zone air supply, the second solenoid valve 9, the first evaporation fan 15 and the second evaporation fan 16 are opened, and the first solenoid valve 5 is closed.
In conclusion, the heat pump type three-tube air conditioning system and the control method thereof have the advantages that the system connection is simplified and optimized, the manufacturing cost is low, the cold and heat requirements of various air conditioners are met, people feel comfortable and experience is good, the use experience of users on the air conditioners is improved by controlling the refrigeration, heating and dehumidification of single areas, the daily use power consumption of the air conditioners is effectively reduced, the satisfaction of the users and the comfort of the air conditioners are effectively improved, and the heat pump type three-tube air conditioning system and the control method thereof have superior technical performance and economic performance.
Claims (3)
1. A heat pump type three-tube air conditioning system is characterized by comprising a compressor (1) and a filter (4), wherein a discharge port and an inlet of the compressor (1) are respectively connected with an inlet at one side and an outlet at one side of a four-way valve (2), an inlet at the other side of the four-way valve (2) is connected with an outlet of a third stop valve (13), an outlet at the other side of the four-way valve (2) is connected with an inlet of a condenser (3), an inlet of the filter (4) is connected with an outlet of the condenser (3), an outlet of the filter (4) is respectively connected with a first electromagnetic valve (5) and a second electromagnetic valve (9), an outlet of the first electromagnetic valve (5) is sequentially connected with a first throttling module (6), a first stop valve (7) and a first evaporator (8), an outlet of the second electromagnetic valve (9) is sequentially connected with a second throttling module (10) and a second stop valve (11), and second stop valve (11) exit linkage has second evaporimeter (12), the entry of the exit linkage third stop valve (13) of second evaporimeter (12), condensation fan (14) are installed to one side of condenser (3), first evaporation fan (15) are installed to one side of first evaporimeter (8), second evaporation fan (16) are installed to one side of second evaporimeter (12).
2. A control method for a heat pump type three-tube air conditioning system according to claim 1, wherein the control method comprises:
S1 full-area refrigeration and dehumidification mode
The four-way valve (2) is powered off, the first electromagnetic valve (5) and the second electromagnetic valve (9) are respectively conducted to form two paths, wherein the first path conducts the first electromagnetic valve (5), the first throttling module (6), the first stop valve (7) and the first evaporator (8), and then enters the compressor (1) through the third stop valve (13) to form a loop;
the second passage conducts the second electromagnetic valve (9), the second throttling module (10), the second stop valve (11) and the second evaporator (12), and then enters the compressor (1) through the third stop valve (13) to form a loop;
s2, single-area refrigeration and dehumidification mode
The four-way valve (2) is powered off, according to the area used by a user, the controller conducts the electromagnetic valve of the evaporator in the corresponding area, closes other electromagnetic valves and starts the air-conditioning system; when the left zone refrigeration and dehumidification mode is selected, the first electromagnetic valve (5) is opened, the air conditioning system is started, and the second electromagnetic valve (9) and the second evaporation fan (16) are closed; when the right zone refrigeration and dehumidification mode is selected, the second electromagnetic valve (9) is opened, the air conditioning system is started, and the first electromagnetic valve (5) and the first evaporation fan (15) are closed.
S3, single-area refrigeration and dehumidification and single-area air supply mode
The four-way valve (2) is powered off, when the left area refrigeration/dehumidification is selected and the right area air supply is selected, the first electromagnetic valve (5), the first evaporation fan (15) and the second evaporation fan (16) are opened, and the second electromagnetic valve (9) is closed; when the right zone refrigeration/dehumidification is selected and the left zone air supply is carried out, the second electromagnetic valve (9), the first evaporation fan (15) and the second evaporation fan (16) are opened, and the first electromagnetic valve (5) is closed;
s4 full-area heating mode
The four-way valve (2) is electrified, refrigerant respectively enters the first evaporator (8) and the second evaporator (12) when reaching the indoor unit, and the first electromagnetic valve (5) and the second electromagnetic valve (9) are respectively communicated to form two passages; the first passage is communicated with a first evaporator (8), a first stop valve (7), a first throttling module (6) and a first electromagnetic valve (5), and then enters a four-way valve (2) and a compressor (1) to form a loop after passing through a condenser (3); the second passage conducts the second evaporator (12), the second stop valve (11), the second throttling module (10) and the second electromagnetic valve (9), and then enters the four-way valve (2) and the compressor (1) to form a loop after passing through the condenser (3);
s5 single-region heating mode
The four-way valve (2) is electrified; when the left area heating mode is selected, the first electromagnetic valve (5) is opened, the air conditioning system is started, and the second electromagnetic valve (9) and the second evaporation fan (16) are closed; when the right area heating mode is selected, the second electromagnetic valve (9) is opened, the air conditioning system is started, and the first electromagnetic valve (5) and the first evaporation fan (15) are closed;
S6, single-area heating and single-area air supply mode
The four-way valve (2) is electrified, when the left area is selected for heating and the right area is selected for air supply, the first electromagnetic valve (5), the first evaporation fan (15) and the second evaporation fan (16) are opened, and the second electromagnetic valve (9) is closed; when the right area is selected for heating and the left area is selected for air supply, the second electromagnetic valve (9), the first evaporation fan (15) and the second evaporation fan (16) are opened, and the first electromagnetic valve (5) is closed.
3. A control method of a heat pump type three-tube air conditioning system according to claim 2, wherein the first throttle module (7) and the second throttle module (10) during the cooling/dehumidifying zone of step S1 are electronic expansion valves, and the electronic expansion valves are model numbers UKV-14D.
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| CN202210373240.0A CN114754425A (en) | 2022-04-11 | 2022-04-11 | Heat pump type three-pipe air conditioning system and control method thereof |
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| CN113757963A (en) * | 2021-09-10 | 2021-12-07 | 珠海市金品创业共享平台科技有限公司 | Double-wind-zone four-tube type air conditioning system |
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2022
- 2022-04-11 CN CN202210373240.0A patent/CN114754425A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1439178A (en) * | 1972-05-18 | 1976-06-09 | Tour Agenturer Ab | Air conditioning |
| CN102853580A (en) * | 2011-10-05 | 2013-01-02 | 刘雄 | Air-conditioning refrigeration device |
| CN106352613A (en) * | 2016-09-26 | 2017-01-25 | 珠海格力电器股份有限公司 | Air conditioner and defrosting system thereof |
| CN113669791A (en) * | 2021-08-12 | 2021-11-19 | 珠海市金品创业共享平台科技有限公司 | Three-pipe type single-cooling air conditioning system and control method of air conditioner with same |
| CN113757963A (en) * | 2021-09-10 | 2021-12-07 | 珠海市金品创业共享平台科技有限公司 | Double-wind-zone four-tube type air conditioning system |
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Application publication date: 20220715 |