CN218672446U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN218672446U CN218672446U CN202223274120.XU CN202223274120U CN218672446U CN 218672446 U CN218672446 U CN 218672446U CN 202223274120 U CN202223274120 U CN 202223274120U CN 218672446 U CN218672446 U CN 218672446U
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- mode
- indoor unit
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- refrigerant
- pipeline
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 35
- 239000003507 refrigerant Substances 0.000 claims abstract description 72
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 27
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 description 8
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 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
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to an air conditioning system, which comprises an outdoor unit (1) comprising a compressor (11), an outdoor heat exchanger (12) connected with the compressor (11), a first refrigerant port (13) connected with the outdoor heat exchanger (12), a second refrigerant port (14) connected with the exhaust port of the compressor (11) and a third refrigerant port (15) connected with the air suction port of the compressor (11); a first pipeline (2) connected to a first refrigerant port (13) of the outdoor unit (1); a second pipe (3) connected to a second refrigerant port (14) of the outdoor unit (1); a third pipeline (4) connected to a third refrigerant port (15) of the outdoor unit (1); and a single-mode indoor unit (5) configured to have only a cooling operating mode, said single-mode indoor unit (5) comprising an inlet connected to said first circuit (2) and an outlet connected to said third circuit (3).
Description
Technical Field
The utility model relates to an air conditioning technology field particularly, relates to an air conditioning system.
Background
In the existing heat recovery multi-connected outdoor unit system, the outdoor unit is a three-pipe system, and all indoor units and outdoor units need to be connected with mode converters to realize switching of operation modes of the indoor units and realize a function of refrigerating part of rooms and heating part of rooms.
In the existing large number of heat recovery multi-split air-conditioning systems, there are often some rooms (such as equipment rooms and kitchens) which are usually used for year-round refrigeration, and the indoor units of these rooms are in the refrigeration mode all the year round without the need of mode switching, but still need to be connected with mode converter equipment, resulting in waste of resources and increase of cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air conditioning system to improve the air conditioning indoor set that exists among the prior art need not the place that the air conditioner heats the mode and also dispose refrigeration and heat the difunctional problem of the cost waste that brings of mode.
According to the utility model discloses an aspect of embodiment, the utility model provides an air conditioning system, air conditioning system includes:
the outdoor unit comprises a compressor, an outdoor heat exchanger connected with the compressor, a first refrigerant port connected with the outdoor heat exchanger, a second refrigerant port connected with an exhaust port of the compressor and a third refrigerant port connected with a suction port of the compressor;
the first pipeline is connected with a first refrigerant port of the outdoor unit;
the second pipeline is connected with a second refrigerant port of the outdoor unit;
a third pipeline connected with a third refrigerant port of the outdoor unit; and
and a single mode indoor unit configured to have only a cooling operation mode, the single mode indoor unit including an inlet connected to the first duct and an outlet connected to the third duct.
In some embodiments, the air conditioning system further includes a dual mode indoor unit having a cooling operation mode and a heating operation mode,
when the dual-mode indoor unit is in a refrigeration working mode, one end of the dual-mode indoor unit is connected with the first pipeline to introduce the refrigerant condensed by the outdoor heat exchanger, and the other end of the dual-mode indoor unit is connected with the third pipeline to convey the refrigerant evaporated in the dual-mode indoor unit to the air suction port of the compressor;
when the dual-mode indoor unit is in a heating working mode, one end of the dual-mode indoor unit is connected with the second pipeline to introduce the refrigerant compressed by the compressor, and the other end of the dual-mode indoor unit is connected with the first pipeline to convey the refrigerant condensed in the dual-mode indoor unit to the first pipeline.
In some embodiments, the air conditioning system further includes a mode converter for controlling the dual-mode indoor unit to switch between the cooling operation mode and the heating operation mode, and the mode converter is connected to the first pipeline, the second pipeline, the third pipeline and the dual-mode indoor unit respectively.
In some embodiments, the single mode indoor unit includes an indoor unit throttling member connected to the first pipe and an indoor unit heat exchanger connected to the indoor unit throttling member.
In some embodiments, the outdoor unit further comprises:
the first electromagnetic valve is connected with the first refrigerant port and the outdoor heat exchanger;
the second electromagnetic valve is connected with the second refrigerant port and the exhaust port of the compressor;
and the third electromagnetic valve is connected with the third refrigerant port and the air suction port of the compressor.
In some embodiments, the air conditioning system further includes a controller in signal connection with the first solenoid valve, the second solenoid valve, and the third solenoid valve, respectively, and configured to open the first solenoid valve, the second solenoid valve, and the third solenoid valve when the dual mode indoor unit is in the heating operation mode.
In some embodiments, an air conditioning system includes a plurality of dual mode indoor units connected in parallel.
In some embodiments, the dual mode indoor unit is configured to draw refrigerant condensed within the dual mode indoor unit from the first conduit when the dual mode indoor unit is in the heating mode of operation.
In some embodiments, no mode switching device is disposed between the single mode indoor unit and the first duct.
By applying the technical scheme of the application, the single-mode indoor unit can be arranged in a place where heating is not needed, and the problem of cost waste caused by the fact that the air-conditioning indoor unit in the place where the air-conditioning heating mode is not needed is also provided with double functions of the refrigerating mode and the heating mode in the prior art is solved.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 shows a schematic structural diagram of an air conditioning system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an air conditioning system according to an embodiment of the present invention in an overall cooling mode; and
fig. 3 is a schematic structural diagram of an air conditioning system according to an embodiment of the present invention in the overall heating mode.
In the figure:
1. an outdoor unit; 2. a first pipeline; 3. a second pipeline; 4. a third pipeline; 5. a single mode indoor unit; 6. a dual-mode indoor unit; 7. a mode converter; 11. a compressor; 12. an outdoor heat exchanger; 13. a first refrigerant port; 14. a second refrigerant port; 15. a third refrigerant port; 16. a gas-liquid separator; 17. a first solenoid valve; 18. a second solenoid valve; 19. a third solenoid valve; 110. a first four-way valve; 111. a second four-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the air conditioning system of the present embodiment includes an outdoor unit 1, a first pipe 2, a second pipe 3, a third pipe 4, and a single-mode indoor unit 5.
The outdoor unit 1 includes a compressor 11, an outdoor heat exchanger 12 connected to the compressor 11, a first refrigerant port 13 connected to the outdoor heat exchanger 12, a second refrigerant port 14 connected to a discharge port of the compressor 11, and a third refrigerant port 15 connected to a suction port of the compressor 11.
The first pipeline 2 is connected with a first refrigerant port 13 of the outdoor unit 1; the second pipeline 3 is connected with a second refrigerant port 14 of the outdoor unit 1; the third pipe 4 is connected to a third refrigerant port 15 of the outdoor unit 1.
The single-mode indoor unit 5 is configured for cooling-only operation, the single-mode indoor unit 5 comprising an inlet connected to the first circuit 2 and an outlet connected to the third circuit 4.
In this embodiment, the single-mode indoor unit 5 can be installed in a location where heating is not required, which improves the problem of cost waste caused by the configuration of dual functions of cooling and heating modes in the air-conditioning indoor unit in the location where the air-conditioning heating mode is not required in the prior art.
The air conditioning system also comprises a double-mode indoor unit 6, wherein the double-mode indoor unit 6 has a refrigerating working mode and a heating working mode,
when the dual-mode indoor unit 6 is in a cooling working mode, one end of the dual-mode indoor unit 6 is connected with the first pipeline 2 to introduce the refrigerant condensed by the outdoor heat exchanger 12, and the other end of the dual-mode indoor unit 6 is connected with the third pipeline 4 to convey the refrigerant evaporated in the dual-mode indoor unit 6 to the air suction port of the compressor 11;
when the dual-mode indoor unit 6 is in the heating operation mode, one end of the dual-mode indoor unit 6 is connected to the second pipeline 3 to introduce the refrigerant compressed by the compressor 11, and the other end of the dual-mode indoor unit 6 is connected to the first pipeline 2 to convey the refrigerant condensed in the dual-mode indoor unit 6 to the first pipeline 2.
In this embodiment, the dual-mode indoor unit 6 can be used as a condenser in the heating operation mode, and the refrigerant condensed in the dual-mode indoor unit 6 can be conveyed to the single-mode indoor unit 5 through the first pipeline 2, so that the single-mode indoor unit 5 can be used as an evaporator to continue the cooling operation mode.
The air conditioning system further comprises a mode converter 7 for controlling the dual-mode indoor unit 6 to switch between a cooling operation mode and a heating operation mode, and the mode converter 7 is respectively connected with the first pipeline 2, the second pipeline 3, the third pipeline 4 and the dual-mode indoor unit 6.
The single-mode indoor unit 5 comprises an indoor unit throttling component connected with the first pipeline 2 and an indoor unit heat exchanger connected with the indoor unit throttling component, and a refrigerant which is introduced through the first pipeline 2 and condensed by the outdoor heat exchanger 12 or the double-mode indoor unit 6 in the heating mode enters the indoor heat exchanger for evaporation after being throttled by the indoor unit throttling component.
The outdoor unit 1 further includes a first solenoid valve 17, a second solenoid valve 18, and a third solenoid valve 19. The first electromagnetic valve 17 is connected with the first refrigerant port 13 and the outdoor heat exchanger 12; the second solenoid valve 18 connects the second refrigerant port 14 and the discharge port of the compressor 11; the third solenoid valve 19 connects the third refrigerant port 15 and the suction port of the compressor 11.
The air conditioning system further comprises a controller in signal connection with the first solenoid valve 17, the second solenoid valve 18 and the third solenoid valve 19, respectively, and configured to open the first solenoid valve 17, the second solenoid valve 18 and the third solenoid valve 19 when the dual-mode indoor unit 6 is in the heating operation mode.
In some embodiments, the air conditioning system comprises a plurality of dual-mode indoor units 6 connected in parallel.
In some embodiments, when the dual mode indoor unit 6 is in the heating mode of operation, the single mode indoor unit 5 is configured to introduce the refrigerant condensed in the dual mode indoor unit 6 from the first pipe 2.
In some embodiments, no mode switching device is provided between the single-mode indoor unit 5 and the first pipe 2.
As shown in fig. 2, when both the dual-mode indoor unit 6 and the single-mode indoor unit 5 are in the cooling operation mode, the refrigerant compressed by the compressor 11 is conveyed to the outdoor heat exchanger 12 through the first four-way valve 110, the compressed refrigerant is condensed in the outdoor heat exchanger 12 and then flows to the first pipeline 2 through the first electromagnetic valve 17 and the first refrigerant port 13, the condensed refrigerant is introduced from the first pipeline 2 through the inlet of one or more single-mode indoor units 5, the refrigerant entering the single-mode indoor unit 5 enters the indoor unit heat exchanger for evaporation after being throttled by the indoor unit throttling component, the evaporated refrigerant flows to the gas-liquid separator 16 through the third pipeline 4 and the third electromagnetic valve 19, and the gaseous refrigerant output by the gas-liquid separator 16 returns to the suction port of the compressor 11.
One or more dual-mode indoor units 6 are introduced into the refrigerant which is introduced from the first pipeline 2 and condensed in the outdoor heat exchanger 12 through the mode converter 7, the refrigerant is throttled and evaporated in the dual-mode indoor units 6 and flows to the gas-liquid separator 16 through the third pipeline 4 and the third electromagnetic valve 19, and the gaseous refrigerant output by the gas-liquid separator 16 returns to the suction port of the compressor 11.
As shown in fig. 3, the dual-mode indoor unit 6 is in a heating operation mode, the single-mode indoor unit 5 can still be in a cooling mode, the refrigerant compressed by the compressor 11 is delivered to the dual-mode indoor unit 6 through the second four-way valve 111, the second electromagnetic valve 18, the second refrigerant port 14 and the second pipeline 3, the refrigerant is condensed in the dual-mode indoor unit 6 and then delivered to the first pipeline 2 through the mode converter 7, a part of the condensed refrigerant is delivered to the outdoor heat exchanger 12 through the first pipeline 2 and the first electromagnetic valve 17, and the refrigerant is evaporated in the outdoor heat exchanger 12 and then returned to the suction port of the compressor 11 through the gas-liquid separator 16.
The other part of the refrigerant condensed in the dual-mode indoor unit 6 can be conveyed to the single-mode indoor unit 5 through the first pipeline 2, the refrigerant entering the single-mode indoor unit 5 enters the indoor unit heat exchanger for evaporation after being throttled by the indoor unit throttling component, the evaporated refrigerant flows to the gas-liquid separator 16 through the third pipeline 4 and the third electromagnetic valve 19, and the gaseous refrigerant output by the gas-liquid separator 16 returns to the suction port of the compressor 11.
In the present embodiment, the single-mode indoor unit 5 can be in the cooling operation mode when the dual-mode indoor unit 6 is in both the cooling and heating modes.
The above description is only an exemplary embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An air conditioning system, comprising:
an outdoor unit (1) including a compressor (11), an outdoor heat exchanger (12) connected to the compressor (11), a first refrigerant port (13) connected to the outdoor heat exchanger (12), a second refrigerant port (14) connected to an exhaust port of the compressor (11), and a third refrigerant port (15) connected to a suction port of the compressor (11);
a first pipeline (2) connected to a first refrigerant port (13) of the outdoor unit (1);
a second pipeline (3) connected with a second refrigerant port (14) of the outdoor unit (1);
a third pipeline (4) connected to a third refrigerant port (15) of the outdoor unit (1); and
-a single-mode indoor unit (5) configured to have only a cooling operating mode, said single-mode indoor unit (5) comprising an inlet connected to said first circuit (2) and an outlet connected to said third circuit (4).
2. Air conditioning system according to claim 1, characterized in that it further comprises a dual-mode indoor unit (6), said dual-mode indoor unit (6) having a cooling operation mode and a heating operation mode,
when the dual-mode indoor unit (6) is in a refrigeration working mode, one end of the dual-mode indoor unit (6) is connected with the first pipeline (2) to introduce the refrigerant condensed by the outdoor heat exchanger (12), and the other end of the dual-mode indoor unit (6) is connected with the third pipeline (4) to convey the refrigerant evaporated in the dual-mode indoor unit (6) to a suction port of the compressor (11);
when the dual-mode indoor unit (6) is in a heating working mode, one end of the dual-mode indoor unit (6) is connected with the second pipeline (3) to introduce the refrigerant compressed by the compressor (11), and the other end of the dual-mode indoor unit (6) is connected with the first pipeline (2) to convey the refrigerant condensed in the dual-mode indoor unit (6) to the first pipeline (2).
3. Air conditioning system according to claim 2, characterized in that it further comprises a mode switch (7) for controlling the switching of said dual-mode indoor unit (6) between said cooling operating mode and said heating operating mode, said mode switch (7) being connected to said first duct (2), to said second duct (3), to said third duct (4) and to said dual-mode indoor unit (6), respectively.
4. Air conditioning system according to claim 1, characterized in that said single-mode indoor unit (5) comprises an indoor unit throttling element connected to said first duct (2) and an indoor unit heat exchanger connected to said indoor unit throttling element.
5. The air conditioning system according to claim 2, wherein the outdoor unit (1) further comprises:
a first solenoid valve (17) connecting the first refrigerant port (13) and the outdoor heat exchanger (12);
a second solenoid valve (18) connecting the second refrigerant port (14) and an exhaust port of the compressor (11);
and a third electromagnetic valve (19) connecting the third refrigerant port (15) and the suction port of the compressor (11).
6. Air conditioning system according to claim 5, characterized in that it further comprises a controller in signal connection with said first solenoid valve (17), second solenoid valve (18) and third solenoid valve (19), respectively, and configured to open said first solenoid valve (17), second solenoid valve (18) and third solenoid valve (19) when said dual mode indoor unit (6) is in heating mode of operation.
7. Air conditioning system according to claim 2, characterized by comprising a plurality of said dual-mode indoor units (6) connected in parallel.
8. Air conditioning system according to claim 2, characterized in that said single-mode indoor unit (5) is configured to introduce, from said first duct (2), the refrigerant condensed inside said dual-mode indoor unit (6) when said dual-mode indoor unit (6) is in heating operation mode.
9. Air conditioning system according to claim 1, characterized in that no mode switching device is provided between the single-mode indoor unit (5) and the first duct (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223274120.XU CN218672446U (en) | 2022-12-07 | 2022-12-07 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223274120.XU CN218672446U (en) | 2022-12-07 | 2022-12-07 | Air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218672446U true CN218672446U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223274120.XU Active CN218672446U (en) | 2022-12-07 | 2022-12-07 | Air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218672446U (en) |
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2022
- 2022-12-07 CN CN202223274120.XU patent/CN218672446U/en active Active
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