CN219367790U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN219367790U CN219367790U CN202320351744.2U CN202320351744U CN219367790U CN 219367790 U CN219367790 U CN 219367790U CN 202320351744 U CN202320351744 U CN 202320351744U CN 219367790 U CN219367790 U CN 219367790U
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- heat exchanger
- air
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- air supply
- cooling tower
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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
Abstract
The utility model discloses an air conditioner, which comprises a cooling tower, a cabinet, a compressor, a second heat exchanger, a first heat exchanger and a third heat exchanger; the cabinet comprises an air return opening, an air supply opening and a ventilation air duct communicated with the air return opening and the air supply opening; the cooling tower is arranged on the outer side of the cabinet, and the second heat exchanger and the third heat exchanger are positioned in the ventilation air duct and are close to at least one air supply opening; the water outlet of the cooling tower is communicated with the inlet of the second heat exchanger, the outlet of the second heat exchanger is communicated with the inlet of the first runner of the first heat exchanger, and the outlet of the first runner of the first heat exchanger is communicated with the water inlet of the cooling tower; the outlet of the compressor is communicated with the inlet of the second flow passage of the first heat exchanger, the outlet of the second flow passage of the first heat exchanger is communicated with the inlet of the third heat exchanger, and the outlet of the third heat exchanger is communicated with the inlet of the compressor. The air conditioner can shorten the transportation path of chilled water, reduce energy loss, improve heat exchange efficiency, reduce site construction difficulty and improve device stability.
Description
Technical Field
The utility model relates to the technical field of machine room refrigeration, in particular to an air conditioner.
Background
Along with the gradual construction of a plurality of large-scale data centers, the air conditioner requirements for a machine room with large refrigerating capacity are more and more, and the existing chilled water air conditioner and indirect evaporative cooling air conditioner which are more on the market have the defects in different aspects, such as low heat exchange efficiency, a cooling tower and an air conditioner set which are arranged separately, and the cooling tower and the air conditioner set which are arranged far away from the machine room cause energy loss, engineering installation difficulty, instability of devices and the like.
Disclosure of Invention
The utility model provides an air conditioner which can shorten a chilled water transportation path, reduce energy loss, improve heat exchange efficiency, occupy no equipment space of a machine room, reduce field construction difficulty and improve device stability.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an air conditioner comprises a cooling tower, a cabinet, a compressor, a first heat exchanger, a second heat exchanger and a third heat exchanger;
the cabinet comprises at least one return air inlet, at least one air supply outlet and a ventilation air duct which is communicated with the at least one return air inlet and the at least one air supply outlet;
the cooling tower is arranged on the outer side of the cabinet, the compressor and the first heat exchanger are positioned in the cabinet, and the second heat exchanger and the third heat exchanger are positioned in the ventilation air duct and are close to the at least one air supply opening;
the water outlet of the cooling tower is communicated with the inlet of the second heat exchanger through a pipeline, the outlet of the second heat exchanger is communicated with the inlet of the first runner of the first heat exchanger through a pipeline, and the outlet of the first runner of the first heat exchanger is communicated with the water inlet of the cooling tower through a pipeline;
the outlet of the compressor is communicated with the inlet of the second flow passage of the first heat exchanger through a pipeline, the outlet of the second flow passage of the first heat exchanger is communicated with the inlet of the third heat exchanger through a pipeline, the outlet of the third heat exchanger is communicated with the inlet of the compressor through a pipeline, and the second flow passage of the first heat exchanger and the first flow passage can exchange heat with each other.
Optionally, when the number of the air return openings is at least two, the air return directions of the different air return openings are different;
when the number of the air supply outlets is at least two, the air supply directions of different air supply outlets are different.
Optionally, the rack includes roof, first curb plate, bottom plate and the second curb plate of closed connection in proper order, the bottom plate with the roof sets up relatively, first curb plate with the second curb plate sets up relatively.
Optionally, the cooling tower is located at a side of the second side plate away from the first side plate;
the at least one return air inlet is positioned on at least one of the first side plate, the top plate and the bottom plate;
the at least one air supply opening is positioned on at least one of the first side plate, the top plate and the bottom plate.
Optionally, the cooling tower is located on a side of the top plate remote from the bottom plate;
the at least one return air inlet is positioned on at least one of the second side plate and the bottom plate;
the at least one air supply opening is positioned on at least one of the first side plate and the bottom plate.
Optionally, the first heat exchanger and the compressor are located in the ventilation duct and located at a side of the second heat exchanger and the third heat exchanger away from the air supply port.
Optionally, the third heat exchanger is located between the second heat exchanger and the at least one air supply opening.
Optionally, the air supply fan is positioned in the ventilation air duct;
the air supply fan is positioned between the third heat exchanger and the at least one air supply port; or alternatively, the process may be performed,
the air supply fan is located at one side of the second heat exchanger far away from the third heat exchanger.
Optionally, the cooling tower further comprises a water cooling fan, wherein the water cooling fan is used for discharging the gas exhausted from the cooling tower to the atmosphere.
Optionally, the cooling tower further comprises a water pump, wherein the water pump is arranged on a pipeline connected between the water outlet of the cooling tower and the inlet of the second heat exchanger, and the water pump is used for conveying water at the water outlet of the cooling tower to the inlet of the first heat exchanger.
The embodiment of the utility model provides an air conditioner, which comprises a cooling tower, a cabinet, a compressor, a first heat exchanger, a second heat exchanger and a third heat exchanger, wherein the cabinet comprises at least one air return port, at least one air supply port and a ventilation channel communicated with the air return port and the air supply port, the cooling tower is arranged outside the cabinet, the compressor and the first heat exchanger are positioned in the cabinet, the second heat exchanger and the third heat exchanger are positioned in the ventilation air duct and are close to the air supply port, the first flow channels of the cooling tower, the second heat exchanger and the first heat exchanger are sequentially communicated to form a first refrigeration cycle system, chilled water can be used as a low-temperature refrigerant in the first refrigeration cycle system, the second flow channels of the compressor, the first heat exchanger and the third heat exchanger can form a second refrigeration cycle system, the second refrigeration cycle system can be used as a low-temperature refrigerant, the two refrigeration systems are integrated in one air conditioning unit, the air conditioning unit can be directly arranged outside a machine room, the refrigerating water transportation path is shortened, the energy loss is reduced, the first heat exchanger can be used for the second heat exchanger, the air conditioning unit can be used for the air conditioning unit can occupy the space, the air conditioner can be connected with the air conditioner, the air conditioner can be used as a factory, the air conditioner can be used for the air conditioner can be stably and can occupy the air inlet, and the air conditioner can be stably constructed, and can not occupy the space, and the air conditioner can be stably and can be stably connected.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present utility model;
fig. 2 to fig. 5 are schematic structural diagrams of a second heat exchanger and a third heat exchanger according to an embodiment of the present utility model;
fig. 6 to 11 are schematic structural views of another air conditioner according to an embodiment of the present utility model.
Icon:
1-a cooling tower; 2-a cabinet; 21. 211, 212, 213, 214, 215, 216, 217, 218-return air opening; 22. 221, 222, 223, 224, 225, 226, 227, 228-supply ports; 23-a ventilation duct; a1-top plate; a2-a first side plate; a3-a bottom plate; a4—a second side plate; 3-compressors; 4-a first heat exchanger; 5-a second heat exchanger; 6-a third heat exchanger; 7-an air supply fan; 8-a water pump; 9-a water cooling fan.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, an embodiment of the present utility model provides an air conditioner, which includes a cooling tower 1, a cabinet 2, a compressor 3, a first heat exchanger 4, a second heat exchanger 5, and a third heat exchanger 6;
the cabinet 2 comprises at least one air return opening 21, at least one air supply opening 22 and a ventilation air duct 23 which communicates the at least one air return opening 21 with the at least one air supply opening 22;
the cooling tower 1 is arranged outside the cabinet 2, the compressor 3 and the first heat exchanger 4 are positioned in the cabinet 2, and the second heat exchanger 5 and the third heat exchanger 6 are positioned in the ventilation air duct 23 and are arranged close to at least one air supply opening 22;
the water outlet of the cooling tower 1 is communicated with the inlet of the second heat exchanger 5 through a pipeline, the outlet of the second heat exchanger 5 is communicated with the inlet of the first runner of the first heat exchanger 4 through a pipeline, and the outlet of the first runner of the first heat exchanger 4 is communicated with the water inlet of the cooling tower 1 through a pipeline;
the outlet of the compressor 3 is communicated with the inlet of the second flow passage of the first heat exchanger 4 through a pipeline, the outlet of the second flow passage of the first heat exchanger 4 is communicated with the inlet of the third heat exchanger 6 through a pipeline, the outlet of the third heat exchanger 6 is communicated with the inlet of the compressor 3 through a pipeline, and the second flow passage of the first heat exchanger 4 and the first flow passage can exchange heat with each other.
The air conditioner provided by the embodiment of the utility model comprises a cooling tower 1, a cabinet 2, a compressor 3, a first heat exchanger 4, a second heat exchanger 5 and a third heat exchanger 6, wherein the cabinet 2 comprises at least one air return opening 21, at least one air supply opening 22 and a ventilation channel communicated with the air return opening 21 and the air supply opening 22, the cooling tower 1 is arranged outside the cabinet 2, the compressor 3 and the first heat exchanger 4 are positioned in the cabinet 2, the second heat exchanger 5 and the third heat exchanger 6 are positioned in a ventilation air channel 23 and are arranged close to the air supply opening 22, wherein the first channels of the cooling tower 1, the second heat exchanger 5 and the first heat exchanger 4 are sequentially communicated to form a first refrigeration cycle system, chilled water can be adopted as a low-temperature refrigerant in the first refrigeration cycle system, and the second channels of the compressor 3, the first heat exchanger 4 and the third heat exchanger 6 can form a second refrigeration cycle system, the second refrigeration cycle system can adopt the refrigerant as the low-temperature refrigerant, two refrigeration systems are integrated in one air conditioning unit, the air conditioning unit can be directly arranged at the outer side of a machine room, the chilled water transportation path is shortened, the energy loss is reduced, the chilled water residual heat can be secondarily utilized through the first heat exchanger 4, the heat exchange efficiency can be improved, the air conditioning unit is positioned at the outer side of the machine room, the return air inlet 21 of the air conditioner can be connected with the return air inlet of the machine room through an air pipe, the air supply opening 22 of the air conditioner can be connected with the air supply opening of the machine room through an air pipe, the space of the equipment of the machine room can be not occupied, meanwhile, the pipelines and the cables on the air conditioning unit can be uniformly prefabricated in a factory, the construction workload of the machine room can be reduced, the assembly error can be reduced, and the field construction difficulty can be reduced, shortening the construction period of the data center and improving the stability of the device.
Specifically, the specific refrigeration process of the air conditioner may be: in the first refrigeration cycle, cooling water can be conveyed from a water outlet of the cooling tower 1 to an inlet of the second heat exchanger 5, chilled water passing through the second heat exchanger 5 can exchange heat with return air passing through the second heat exchanger 5 in the ventilation air duct 23, cooling of the return air is achieved, and then the chilled water after heat exchange flows back to the cooling tower 1 through a first flow channel of the first heat exchanger 4 to form a refrigeration cycle; in the second refrigeration cycle, the refrigerant can exchange heat with the chilled water in the first runner of the first heat exchanger 4 in the second runner of the first heat exchanger 4, the cooling of the refrigerant is realized by utilizing the residual cooling of the chilled water, then the cooled refrigerant enters the third heat exchanger 6 to exchange heat with the return air passing through the third heat exchanger 6, the cooling of the return air is realized, and the refrigerant after heat exchange returns to the second runner of the first heat exchanger 4 through the action of the compressor 3 to form a refrigeration cycle.
In the embodiment of the utility model, as shown in fig. 1, the first heat exchanger 4 and the compressor 3 are located in the ventilation air duct 23 and on one side of the second heat exchanger 5 and the third heat exchanger 6 away from the air supply port 22, the first heat exchanger 4 and the compressor 3 are located in the ventilation air duct 23, and heat emitted by the operation of the compressor 3 can be taken away through return air in the ventilation air duct 23, so that stable and safe operation of the compressor 3 can be ensured.
In the embodiment of the present utility model, as shown in fig. 1, the third heat exchanger 6 may be located between the second heat exchanger 5 and at least one air supply port 22, so as to improve the heat exchange efficiency of the air conditioner. The indoor return air enters the air conditioning unit through the return air inlet 21, the return air can firstly perform primary heat exchange at the second heat exchanger 5 in the ventilation air duct 23, then perform secondary heat exchange at the third heat exchanger 6, and then be sent into the machine room through the air supply inlet 22, so as to complete circulation of air circulation, and an arrow in fig. 1 indicates the flowing direction of the return air.
Wherein, the first heat exchanger 4 may be a plate heat exchanger, and the second heat exchanger 5 and the third heat exchanger 6 may be in a straight shape, as shown in fig. 1; the second heat exchanger 5 and the third heat exchanger 6 can also be V-shaped, so that the contact area between the heat exchangers and return air can be increased, as shown in fig. 2 and 3, the directions of the openings of the heat exchangers in fig. 2 and 3 are different; alternatively, the second heat exchanger 5 and the third heat exchanger 6 may be W-shaped, so as to increase the contact area between the heat exchangers and the return air, as shown in fig. 4 and 5, and the openings of the heat exchangers in fig. 4 and 5 are oriented differently. Specifically, the types and shapes of the above-described first heat exchanger 4, second heat exchanger 5 and third heat exchanger 6 may not be limited here, depending on the actual situation.
In the embodiment of the present utility model, as shown in fig. 1 and 6, the air conditioner further includes an air blower 7 located in the ventilation duct 23, where the number of the air blowers 7 is not limited, and depends on the actual situation; wherein the air blower 7 may be located between the third heat exchanger 6 and the at least one air supply opening 22, as shown in fig. 1; alternatively, the air blower 7 may be located on a side of the second heat exchanger 5 away from the third heat exchanger 6, as shown in fig. 6, where the air blower 7 is capable of delivering cooled return air from the air supply opening 22 into the machine room.
In the embodiment of the present utility model, as shown in fig. 1 and 6, the air conditioner further includes a water cooling fan 9, where the water cooling fan 9 is used to discharge the gas exhausted from the cooling tower 1 to the atmosphere, so that the cooling of the cooling tower 1 to the chilled water can be achieved, and the number of the water cooling fans 9 is not limited here, and depends on the actual situation.
In the embodiment of the present utility model, as shown in fig. 1 and 6, the air conditioner further includes a water pump 8, where the water pump 8 may be disposed on a pipeline connected between the water outlet of the cooling tower 1 and the inlet of the second heat exchanger 5, and the water pump 8 is used to convey water at the water outlet of the cooling tower 1 to the inlet of the first heat exchanger, so as to implement the circulation flow of cooling water in the first refrigeration cycle system. The water pump 8 may be disposed inside the cabinet 2 or outside the cabinet 2, depending on the actual situation.
In the embodiment of the utility model, the number of the air return openings 21 and the number of the air supply openings 22 can be multiple, and when the number of the air return openings 21 is at least two, the air return directions of different air return openings 21 can be different, so that the mixed use of different air return directions can be realized, and the application scene is more flexible; when the number of the air supply openings 22 is at least two, the air supply directions of different air supply openings 22 are different, so that the mixed use of different air supply directions can be realized, and the application scene is more flexible. When the air conditioner has a plurality of air return openings 21 and air supply openings 22, the machine room can be selected to be communicated with at least one air return opening 21 and at least one air supply opening 22 on the air conditioner according to the actual setting scene, so that the air conditioner unit can be conveniently assembled in the data center.
Wherein, above-mentioned rack 2 can be including the roof A1, first side plate A2, bottom plate A3 and the second curb plate A4 of closed connection in proper order, and bottom plate A3 sets up with roof A1 relatively, and first side plate A2 sets up with second curb plate A4 relatively, and the position of return air inlet and supply-air outlet can set up the different positions of rack 2 according to the application scene.
Specifically, the cooling tower 1 may be mounted on a side of the second side plate A4 away from the first side plate A2; at this time, in order to facilitate the installation of the air conditioner in the data center, at least one air return port may be disposed on at least one of the first side plate A2, the top plate A1 and the bottom plate A3; at least one air supply port may be provided on at least one of the first side plate A2, the top plate A1, and the bottom plate A3, as shown in fig. 1, 7, 8, and 9.
For example, when one air return port and one air supply port are provided on the cabinet 2, as shown in fig. 1, the air return port 21 and the air supply port 22 may be provided on the first side plate A2; alternatively, as shown in fig. 7, the return air inlet 21 on the cabinet 2 may be disposed on the top plate A1, so as to expand the cooling capacity of the unit, and the air supply outlet 22 may be disposed on the first side plate A2. When the cabinet 2 is provided with at least two air inlets and at least two air inlets, as shown in fig. 8, the cabinet 2 may be provided with an air inlet 211 on the first side plate A2, an air inlet 212 on the top plate A1, an air inlet 213 on the bottom plate A3, an air inlet 221 on the first side plate A2, and an air inlet 222 on the bottom plate A3; alternatively, as shown in fig. 9, the cabinet 2 may be provided with a return air inlet 214 on the top plate A1 and a return air inlet 215 on the bottom plate A3, and provided with an air supply port 224 on the top plate A1, an air supply port 223 on the first side plate A2, and an air supply port 225 on the bottom plate A3. Specifically, the positions and the number of the air return openings and the air supply openings are not limited herein, and may be determined according to actual situations.
Alternatively, the cooling tower 1 may be installed on a side of the top plate A1 away from the bottom plate A3, where at least one air return opening may be located on at least one of the second side plate A4 and the bottom plate A3, and at least one air supply opening may be located on at least one of the first side plate A2 and the bottom plate A3, as shown in fig. 10 and 11, for convenience in installation of the air conditioner in the data center.
For example, when one air return opening and one air supply opening are provided on the cabinet 2, as shown in fig. 10, the air return opening 216 may be provided on the second side plate A4, and the air supply opening 226 may be provided on the first side plate A2; when the cabinet 2 is provided with at least two air inlets and at least two air inlets, as shown in fig. 11, the cabinet 2 may be provided with an air inlet 217 located on the second side plate A4 and an air inlet 218 located on the bottom plate A3, and an air inlet 227 located on the first side plate A2 and an air inlet 218 located on the bottom plate A3. Specifically, the positions and the number of the air return openings and the air supply openings are not limited herein, and may be determined according to actual situations.
It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. An air conditioner is characterized by comprising a cooling tower, a cabinet, a compressor, a first heat exchanger, a second heat exchanger and a third heat exchanger;
the cabinet comprises at least one return air inlet, at least one air supply outlet and a ventilation air duct which is communicated with the at least one return air inlet and the at least one air supply outlet;
the cooling tower is arranged on the outer side of the cabinet, the compressor and the first heat exchanger are positioned in the cabinet, and the second heat exchanger and the third heat exchanger are positioned in the ventilation air duct and are close to the at least one air supply opening;
the water outlet of the cooling tower is communicated with the inlet of the second heat exchanger through a pipeline, the outlet of the second heat exchanger is communicated with the inlet of the first runner of the first heat exchanger through a pipeline, and the outlet of the first runner of the first heat exchanger is communicated with the water inlet of the cooling tower through a pipeline;
the outlet of the compressor is communicated with the inlet of the second flow passage of the first heat exchanger through a pipeline, the outlet of the second flow passage of the first heat exchanger is communicated with the inlet of the third heat exchanger through a pipeline, the outlet of the third heat exchanger is communicated with the inlet of the compressor through a pipeline, and the second flow passage of the first heat exchanger and the first flow passage can exchange heat with each other.
2. The air conditioner according to claim 1, wherein when the number of the return air inlets is at least two, the return air directions of different return air inlets are different;
when the number of the air supply outlets is at least two, the air supply directions of different air supply outlets are different.
3. The air conditioner of claim 2, wherein the cabinet comprises a top plate, a first side plate, a bottom plate and a second side plate which are sequentially connected in a closed manner, the bottom plate is arranged opposite to the top plate, and the first side plate is arranged opposite to the second side plate.
4. An air conditioner according to claim 3 wherein the cooling tower is located on a side of the second side plate remote from the first side plate;
the at least one return air inlet is positioned on at least one of the first side plate, the top plate and the bottom plate;
the at least one air supply opening is positioned on at least one of the first side plate, the top plate and the bottom plate.
5. An air conditioner according to claim 3 wherein the cooling tower is located on a side of the top plate remote from the bottom plate;
the at least one return air inlet is positioned on at least one of the second side plate and the bottom plate;
the at least one air supply opening is positioned on at least one of the first side plate and the bottom plate.
6. An air conditioner according to any one of claims 1 to 5 wherein the first heat exchanger and the compressor are located within the ventilation duct and on a side of the second heat exchanger and the third heat exchanger remote from the supply air port.
7. The air conditioner of claim 6, wherein the third heat exchanger is located between the second heat exchanger and the at least one air supply port.
8. The air conditioner of claim 7, further comprising a blower fan located within the ventilation duct;
the air supply fan is positioned between the third heat exchanger and the at least one air supply port; or alternatively, the process may be performed,
the air supply fan is located at one side of the second heat exchanger far away from the third heat exchanger.
9. The air conditioner of claim 8, further comprising a water cooling fan for discharging the gas discharged from the cooling tower to the atmosphere.
10. The air conditioner of claim 9, further comprising a water pump disposed on a line connected between the water outlet of the cooling tower and the inlet of the second heat exchanger, the water pump being configured to deliver water at the water outlet of the cooling tower to the inlet of the first heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320351744.2U CN219367790U (en) | 2023-02-20 | 2023-02-20 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320351744.2U CN219367790U (en) | 2023-02-20 | 2023-02-20 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219367790U true CN219367790U (en) | 2023-07-18 |
Family
ID=87147860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320351744.2U Active CN219367790U (en) | 2023-02-20 | 2023-02-20 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219367790U (en) |
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2023
- 2023-02-20 CN CN202320351744.2U patent/CN219367790U/en active Active
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