CN219415808U - Heat exchange assembly of air cooler - Google Patents
Heat exchange assembly of air cooler Download PDFInfo
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- CN219415808U CN219415808U CN202320632787.8U CN202320632787U CN219415808U CN 219415808 U CN219415808 U CN 219415808U CN 202320632787 U CN202320632787 U CN 202320632787U CN 219415808 U CN219415808 U CN 219415808U
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Abstract
The utility model relates to a heat exchange assembly of an air cooler, which comprises a first main pipe, a second main pipe, a plurality of heat exchange branch pipes and fins, wherein the heat exchange branch pipes are arranged between the first main pipe and the second main pipe, the two ends of the heat exchange branch pipes are respectively communicated with the first main pipe and the second main pipe, one end of the first main pipe is provided with a liquid inlet, the other end of the first main pipe is closed, one end of the second main pipe is provided with a liquid outlet, the other end of the second main pipe is closed, the liquid inlet and the liquid outlet are respectively positioned at the opposite ends of the first main pipe and the second main pipe, each heat exchange branch pipe is provided with a plurality of fins, and the normal line of the surface of each fin is parallel to or coincides with the axis of the heat exchange branch pipe, or an included angle between the normal line of the surface of each fin and the axis of the heat exchange branch pipe is an acute angle. The flow resistance of the refrigerants in each heat exchange branch pipe is basically the same, the heat exchange process is more uniform, and the plurality of fins are obliquely arranged on the heat exchange branch pipes, so that the water films condensed on the fins can be timely removed, the heat transfer coefficient is improved, and the heat exchange effect is improved.
Description
Technical Field
The utility model belongs to the technical field of heat exchange equipment, and particularly relates to a heat exchange assembly of an air cooler.
Background
The air cooler is equipment for cooling and dehumidifying air, and mainly exchanges heat with the air through a heat exchange assembly, refrigerant can circulate in the heat exchange assembly, and when the air to be cooled blows across the outer surface of the heat exchange assembly, the air exchanges heat with the refrigerant in the heat exchange assembly through pipe walls and fins. The heat exchange assembly of the existing air cooler is improper in design, water condensed in the air is easy to form a water film on the surface of a fin of the heat exchange assembly in the process of cooling and dehumidifying the air, so that heat exchange resistance of the outer surface is formed, the total heat transfer coefficient is reduced, and the heat exchange effect of the heat exchanger is reduced. In addition, in the normal use process, the phenomenon that the refrigerant is unevenly distributed in a plurality of heat exchange tubes easily occurs in the existing heat exchange assembly, so that the heat exchange load of part of the heat exchange tubes is large, the heat exchange load of part of the heat exchange tubes is small, and the overall heat exchange effect is not ideal.
Disclosure of Invention
The utility model aims to provide a heat exchange component of an air cooler with a simple structure and good heat exchange effect, in particular to a heat exchange component with refrigerant flowing inside.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the heat exchange assembly of the air cooler comprises a first main pipe, a second main pipe and heat exchange branch pipes, wherein a plurality of heat exchange branch pipes are arranged between the first main pipe and the second main pipe, two ends of each heat exchange branch pipe are respectively communicated with the first main pipe and the second main pipe, one end of the first main pipe is provided with a liquid inlet, the other end of the first main pipe is closed, one end of the second main pipe is provided with a liquid outlet, the other end of the second main pipe is closed, and the liquid inlet and the liquid outlet are respectively positioned at two opposite ends of the first main pipe and the second main pipe; the heat exchange assembly further comprises fins, each heat exchange branched pipe is provided with a plurality of fins, the fins are distributed along the axial direction of the heat exchange branched pipe, and the normal line of the fin surface and the axis of the heat exchange branched pipe are parallel or coincide with each other, or the included angle between the normal line of the fin surface and the axis of the heat exchange branched pipe is an acute angle.
Preferably, the periphery of the fin is circular, through holes penetrating through two sides of the fin are formed in the fin, and the fin is sleeved on the heat exchange branched pipe through the through holes.
Further preferably, the through hole is elliptical, the length of the elliptical short axis of the through hole is matched with the outer diameter of the heat exchange branched pipe, and the included angle between the normal line of the surface of the fin and the axis of the heat exchange branched pipe is theta, and theta is more than 0 degrees and less than or equal to 10 degrees. The inclined arrangement of the fins can enable water films precipitated on the surfaces of the fins to be blown off by air flow after the air temperature is reduced to the dew point, reduce the convective heat transfer thermal resistance of the surfaces of the fins, and prevent the flow resistance of the air flow from being overlarge when the theta is more than 0 DEG and less than or equal to 10 deg.
Still more preferably, the angle between the normal line of the fin surface and the axis of the heat exchange branched pipe is theta, and theta is more than or equal to 3 degrees and less than or equal to 6 degrees. The included angle theta is set to be an inclined angle of 3-6 degrees, so that a water film is easy to blow off, and the flow resistance of air flow is not too large.
Further preferably, the through holes are circular, the diameter of the through holes is matched with the outer diameter of the heat exchange branched pipes, and the normal line of the surface of the fin is coincident with the axis of the heat exchange branched pipes.
Preferably, a plurality of fins are uniformly distributed along the axial direction of the heat exchange branched pipe. The fins are the extension of the outer surface of the heat exchange branched pipe to the space, so that the heat exchange area is increased under the same volume, and the heat exchange effect is improved.
Preferably, the fin is made of metal material, preferably metal copper or metal aluminum, wherein the metal copper has strong heat conduction performance but higher cost, and the metal aluminum has weaker heat conduction performance than the metal copper but lower cost.
Preferably, the cross-sectional area of the interior of the first main pipe is larger than the sum of the cross-sectional areas of the interiors of the plurality of heat exchange branch pipes; the cross-sectional area of the inner part of the second main pipe is larger than the sum of the cross-sectional areas of the inner parts of the heat exchange branch pipes. The flow velocity of the refrigerant in the first main pipe or the second main pipe is smaller than the flow velocity in the heat exchange branch pipe, and the flow resistance is mainly in the flow process in the heat exchange branch pipe, and as the structures of the heat exchange branch pipes are the same, the uniform distribution of the refrigerant in the heat exchange branch pipes can be realized, the basically consistent flow of the refrigerant in the heat exchange branch pipes can be ensured, and the drift problem does not occur.
Preferably, the first main pipe and the second main pipe are arranged in parallel, and the plurality of heat exchange branch pipes are uniformly distributed along the axial directions of the first main pipe and the second main pipe.
Further preferably, the liquid inlet of the first manifold extends beyond the other end of the second manifold in the direction of extension thereof, and the liquid outlet of the second manifold extends beyond the other end of the first manifold in the direction of extension thereof, so as to be convenient for connecting external pipelines in use.
Preferably, two ends of the heat exchange branch pipe are detachably connected with the side walls of the first main pipe and the second main pipe respectively; the side wall of the first main pipe and the side wall of the second main pipe are provided with openings, the opening is provided with a connecting pipe, the connecting pipe is provided with a first flange, the end part of the heat exchange branch pipe is provided with a second flange, and the first flange and the second flange are detachably connected. The heat exchange branch pipes can be detached from the first main pipe and the second main pipe, and when one of the heat exchange branch pipes is abnormal, the heat exchange branch pipes can be conveniently overhauled and replaced.
Further preferably, the first flange and the second flange are provided with a plurality of bolt holes, the bolt holes are uniformly distributed in the radial direction of the heat exchange branched pipes and the connecting pipes, and the first flange and the second flange are fastened through bolts after being butted, so that the heat exchange branched pipes and the connecting pipes are convenient to assemble and disassemble, are tightly connected and are not easy to leak.
Preferably, one end of the first main pipe is provided with a first connecting flange, and the first connecting flange is used for connecting an external pipeline; the other end of the second main pipe is provided with a second connecting flange which is used for connecting an external pipeline.
Further preferably, the first connecting flange and the second connecting flange are provided with a plurality of bolt holes, the plurality of bolt holes are uniformly distributed in the radial direction of the first main pipe and the second main pipe, and the first connecting flange and the second connecting flange are fastened with the flanges on the external pipeline through bolts after being in butt joint, so that the connecting device is convenient to assemble and disassemble, is tightly connected and is not easy to leak.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the utility model, the plurality of heat exchange branch pipes are arranged between the first main pipe and the second main pipe, so that the flow resistance of refrigerants in each heat exchange branch pipe is basically the same, the heat exchange process is more uniform, and the plurality of fins are obliquely arranged on the heat exchange branch pipes, so that water films condensed on the fins can be timely removed, the heat transfer coefficient is improved, the heat exchange effect is improved, and the heat exchange device is simple in structure, convenient to use and good in practicability.
Drawings
FIG. 1 is a schematic perspective view of a heat exchange assembly according to the present embodiment;
FIG. 2 is a schematic front view of the heat exchange assembly of the present embodiment;
FIG. 3 is a schematic top view of the heat exchange assembly of the present embodiment;
FIG. 4 is a schematic cross-sectional view of A-A of FIG. 3;
FIG. 5 is a schematic side view of a heat exchange assembly of the present embodiment;
FIG. 6 is an enlarged schematic view of a portion of FIG. 4 at B;
fig. 7 is an enlarged partial schematic view at C in fig. 5.
In the above figures:
1. a first manifold; 10. a liquid inlet; 11. a first connection flange; 2. a second manifold; 20. a liquid outlet; 21. a second connection flange; 3. heat exchange branch pipes; 30. a second flange; 4. a fin; 40. a through hole; 5. a connecting pipe; 50. a first flange.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the mechanisms or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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.
In the description of the present embodiment, as shown in fig. 2, the left-right direction in the drawing is the left-right direction of the present embodiment, the up-down direction in the drawing is the up-down direction of the present embodiment, and the direction perpendicular to the drawing plane is the front-back direction of the present embodiment.
The utility model provides an air cooler's heat transfer subassembly, as shown in fig. 1 and 2, includes first house steward 1, second house steward 2 and heat transfer are in charge of 3, and heat transfer is in charge of 3 and is provided with many, and many heat transfer are in charge of 3 setting between first house steward 1, second house steward 2, and the both ends of heat transfer are in charge of 3 communicate with first house steward 1, second house steward 2 respectively, are provided with fin 4 on the heat transfer is in charge of 3.
The following details of each component and its connection relation are described in detail:
as shown in fig. 2 and 4, the first manifold 1 and the second manifold 2 are arranged in parallel, and the first manifold 1 and the second manifold 2 extend in the left-right direction; one end of the first main pipe 1 is provided with a liquid inlet 10, the other end of the first main pipe 1 is closed, a refrigerant can enter the first main pipe 1 from the liquid inlet 10, one end of the second main pipe 2 is provided with a liquid outlet 20, the other end of the second main pipe 2 is closed, and the refrigerant can flow out of the second main pipe 2 from the liquid outlet 20; the liquid inlet 10 of the first manifold 1 is opposite to the liquid outlet 20 of the second manifold 2 in opening direction, i.e. the liquid inlet 10 and the liquid outlet 20 are respectively positioned at two opposite ends of the first manifold 1 and the second manifold 2; the liquid inlet 10 of the first manifold 1 extends beyond the other end of the second manifold 2 in the left-right direction, and the liquid outlet 20 of the second manifold 2 extends beyond the other end of the first manifold 1 in the left-right direction, so as to be connected to external pipes in use.
As shown in fig. 2 and 3, the liquid inlet 10 of the first main pipe 1 is provided with a first connection flange 11, the first connection flange 11 is used for being connected with a flange on an external pipeline, in this embodiment, the first connection flange 11 is provided with a plurality of bolt holes, the plurality of bolt holes are uniformly distributed in the radial direction of the first main pipe 1, and the first connection flange 11 is fastened by bolts after being butted with the flange on the external pipeline, so that the disassembly and assembly are convenient, the connection is tight, and the leakage is not easy, and of course, only one connection mode is provided herein, but the utility model is not limited to the embodiment; likewise, the second connecting flange 21 is disposed at the liquid outlet 20 of the second main pipe 2, and the second connecting flange 21 is used for being connected with a flange on an external pipeline, and the specific connection manner is the same as that of the first connecting flange 11 and the external pipeline, which is not described herein.
As shown in fig. 2 and 4, the heat exchange branch pipe 3 extends along the up-down direction, two ends of the heat exchange branch pipe 3 are communicated, and two ends of the heat exchange branch pipe 3 are respectively communicated with the first main pipe 1 and the second main pipe 2, so that the refrigerant can flow into the second main pipe 2 from the first main pipe 1 through the heat exchange branch pipe 3; the heat exchange branch pipes 3 are provided with a plurality of heat exchange branch pipes 3 which are uniformly distributed along the axial direction of the first main pipe 1 and the second main pipe 2, namely the plurality of heat exchange branch pipes 3 are uniformly distributed along the left-right direction to form a parallel state, and in the embodiment, the number of the heat exchange branch pipes 3 is 8; the cross-sectional area of the interior of the first header pipe 1 is larger than the sum of the cross-sectional areas of the interiors of the plurality of heat exchange branch pipes 3, and the cross-sectional area of the interior of the second header pipe 2 is larger than the sum of the cross-sectional areas of the interiors of the plurality of heat exchange branch pipes 3. The flow velocity of the refrigerant in the first main pipe 1 or the second main pipe 2 is smaller than the flow velocity in the heat exchange branch pipes 3, and the flow resistance is mainly in the flow process of the heat exchange branch pipes 3, and as the structures of the heat exchange branch pipes 3 are the same, the uniform distribution of the refrigerant in the heat exchange branch pipes 3 is realized, the basically consistent flow of the refrigerant in the heat exchange branch pipes 3 can be ensured, and the drift problem does not occur.
As shown in fig. 3 and 4, two ends of the heat exchange branch pipe 3 are detachably connected and communicated with the side walls of the first main pipe 1 and the second main pipe 2 respectively, so that the heat exchange branch pipe 3 can be detached from the first main pipe 1 and the second main pipe 2, and when one of the heat exchange branch pipes 3 is abnormal, the heat exchange branch pipe can be conveniently overhauled and replaced. Specifically: as shown in fig. 6, the side walls of the first main pipe 1 and the second main pipe 2 are provided with openings, the openings are provided with connecting pipes 5, the connecting pipes 5 are provided with first flanges 50, two ends of the heat exchange branch pipes 3 are respectively provided with a second flange 30, and the first flanges 50 and the second flanges 30 are detachably connected. In this embodiment, the first flange 50 and the second flange 30 are provided with a plurality of bolt holes, the plurality of bolt holes are uniformly distributed in the radial direction of the heat exchange branch pipe 3 and the connecting pipe 5, the first flange 50 and the second flange 30 are fastened by bolts after being butted, the disassembly and the assembly are convenient, the connection is tight, and the leakage is not easy, however, only one connection mode is provided here, but the embodiment is not limited thereto.
As shown in fig. 1 and 2, each heat exchange branched pipe 3 is provided with a plurality of fins 4, the fins 4 are uniformly distributed along the axial direction of the heat exchange branched pipe 3, and a certain gap exists between two adjacent heat exchange branched pipes 3. The fins 4 are the extension of the outer surface of the heat exchange branched pipes 3 to the space, so that the heat exchange area is increased under the same volume, and the heat exchange effect is improved. The fin 4 is made of a metal material, for example, metal copper, metal aluminum, etc., and the metal copper has strong heat conduction performance but higher cost, and the metal aluminum has weaker heat conduction performance than the metal copper but lower cost.
The fins 4 are arranged obliquely relative to the axis of the heat exchange branched pipes 3, namely, the normal line of the surfaces of the fins 4 and the axis of the heat exchange branched pipes 3 form an acute angle. Specifically: as shown in fig. 5 and 7, the periphery of the fin 4 is circular, a through hole 40 penetrating through two sides of the fin 4 is formed in the center of the fin 4, the fin 4 is sleeved on the heat exchange branch pipe 3 through the through hole 40 and can be fixed in a welding mode, for example, the heat resistance of the root of the fin 4 can be reduced in the welding mode, and the heat exchange effect is improved; the through holes 40 are elliptical, the length of the elliptical short shaft of the through holes 40 is matched with the outer diameter of the heat exchange branch pipes 3, when water vapor in air condenses, the water vapor can be adhered to the surfaces of the fins 4 to form a liquid film, the convection heat transfer coefficient of the air side is reduced by the liquid film, the total heat transfer coefficient is further reduced, the fins 4 can be obliquely sleeved on the heat exchange branch pipes 3 through the elliptical through holes 40 arranged in the center of the fins 4, the elliptical through holes 40 can be closely contacted with the outer walls of the heat exchange branch pipes 3 in an inclined state, the thermal resistance after welding is small, when the heat exchange component is installed in an air cooler, the fins 4 incline towards the lower part of the air flow direction, and when the air temperature is reduced to the dew point, a water film precipitated on the surfaces of the fins 4 can be blown off by the air flow, so that the convection heat transfer thermal resistance of the surfaces of the fins 4 is reduced; the included angle between the normal of the surface of the fin 4 and the axis of the heat exchange branch pipe 3 is theta, the included angle theta cannot be excessively large, specifically, theta is more than 0 degrees and less than or equal to 10 degrees, and the overlarge flow resistance of air flow can be prevented; preferably, the included angle theta is 3-6 degrees, and the included angle theta is set to be an inclined angle of 3-6 degrees, so that a water film is easy to blow off, and the air flow is not caused to have too great flow resistance.
Of course, in other embodiments, the fins 4 may be disposed parallel to the first manifold 1 and the second manifold 2, that is, the normal line of the surface of the fins 4 and the axis of the heat exchange tube 3 may be parallel or coincident with each other. Specifically: the periphery of the fin 4 is circular, a through hole 40 penetrating through two sides of the fin 4 is formed in the center of the fin 4, the through hole 40 is circular, the diameter of the through hole 40 is matched with the outer diameter of the heat exchange branch pipe 4, the fin 4 and the heat exchange branch pipe 3 are coaxially arranged, namely, the normal line of the surface of the fin 4 is coincident with the axis of the heat exchange branch pipe 3; the fins 4 can be fixed on the heat exchange branched pipes 3 in a welding mode, and the root parts of the fins 4 and the heat exchange branched pipes 3 are tightly welded into a whole.
The working principle of the heat exchange assembly of the embodiment is specifically described below:
in practical application, the heat exchange assembly is arranged in the air cooler box body, namely a plurality of heat exchange branch pipes 3 are positioned in the air cooler box body, the liquid inlet 10 of the first main pipe 1 and the liquid outlet 20 of the second main pipe 2 extend out of the air cooler box body, the liquid inlet 10 of the first main pipe 1 is connected with a refrigerant inlet pipe, and the liquid outlet 20 of the second main pipe 2 is connected with a refrigerant return pipe; the refrigerant enters the first main pipe 1 from the liquid inlet 10, gradually enters the heat exchange branched pipes 3 which are arranged in parallel in the process of flowing in the first main pipe 1, exchanges heat with the air entering the air cooler box body through the fins 4 on the heat exchange branched pipes 3, then is gathered into the second main pipe 2, and enters the refrigerant return pipe from the liquid outlet 20 of the second main pipe 2, thus completing the cooling process of the air. In the process, after the refrigerant enters the first main pipe 1 from the liquid inlet 10, the refrigerant flows through the same distance in each heat exchange branch pipe 3, so that the refrigerant has basically the same flow resistance in each heat exchange branch pipe 3, namely, each heat exchange branch pipe 3 has basically the same heat exchange quantity, the heat exchange process is more uniform, the drift problem can not occur, and as the fins 4 are obliquely arranged, namely, the fins 4 are obliquely arranged towards the lower part of the airflow direction, when the air temperature is reduced to the dew point, the water film precipitated on the surfaces of the fins 4 can be blown off from airflow, the convection heat transfer resistance on the surfaces of the fins 4 is reduced, and the heat exchange effect is improved.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides an air cooler's heat transfer subassembly, includes first house steward, second house steward and heat transfer are in charge of, the heat transfer be in charge of and be provided with many, many the heat transfer be in charge of and set up first house steward, second house steward between, just the both ends of heat transfer be in charge of respectively with first house steward, second house steward intercommunication, its characterized in that: one end of the first main pipe is provided with a liquid inlet, the other end of the first main pipe is closed, one end of the second main pipe is provided with a liquid outlet, the other end of the second main pipe is closed, and the liquid inlet and the liquid outlet are respectively positioned at two opposite ends of the first main pipe and the second main pipe; the heat exchange assembly further comprises fins, each heat exchange branched pipe is provided with a plurality of fins, the fins are distributed along the axial direction of the heat exchange branched pipe, and the normal line of the fin surface and the axis of the heat exchange branched pipe are parallel or coincide with each other, or the included angle between the normal line of the fin surface and the axis of the heat exchange branched pipe is an acute angle.
2. The heat exchange assembly of an air cooler of claim 1, wherein: the periphery of the fin is circular, through holes penetrating through two sides of the fin are formed in the fin, and the fin is sleeved on the heat exchange branched pipe through the through holes.
3. The heat exchange assembly of an air cooler of claim 2, wherein: the through holes are elliptical, the length of the elliptical short axis of each through hole is matched with the outer diameter of each heat exchange branch pipe, and the included angle between the normal line of the fin surface and the axis of each heat exchange branch pipe is theta, and theta is more than 0 DEG and less than or equal to 10 deg.
4. A heat exchange assembly for an air cooler in accordance with claim 3 wherein: the included angle between the normal line of the fin surface and the axis of the heat exchange branch pipe is theta, and theta is more than or equal to 3 degrees and less than or equal to 6 degrees.
5. The heat exchange assembly of an air cooler of claim 2, wherein: the through holes are round, the diameter of each through hole is matched with the outer diameter of each heat exchange branch pipe, and the normal line of the surface of each fin is coincident with the axis of each heat exchange branch pipe.
6. The heat exchange assembly of an air cooler of claim 1, wherein: the fins are uniformly distributed along the axial direction of the heat exchange branched pipe.
7. The heat exchange assembly of an air cooler of claim 1, wherein: the cross-sectional area of the interior of the first main pipe is larger than the sum of the cross-sectional areas of the interiors of the heat exchange branch pipes; the cross-sectional area of the inner part of the second main pipe is larger than the sum of the cross-sectional areas of the inner parts of the heat exchange branch pipes.
8. The heat exchange assembly of an air cooler of claim 1, wherein: the first main pipe and the second main pipe are arranged in parallel, and the heat exchange branch pipes are uniformly distributed along the axial directions of the first main pipe and the second main pipe.
9. The heat exchange assembly of an air cooler of claim 1, wherein: two ends of the heat exchange branch pipe are detachably connected with the side walls of the first main pipe and the second main pipe respectively; the side wall of the first main pipe and the side wall of the second main pipe are provided with openings, the opening is provided with a connecting pipe, the connecting pipe is provided with a first flange, the end part of the heat exchange branch pipe is provided with a second flange, and the first flange and the second flange are detachably connected.
10. The heat exchange assembly of an air cooler of claim 1, wherein: one end of the first main pipe is provided with a first connecting flange which is used for connecting an external pipeline; the other end of the second main pipe is provided with a second connecting flange which is used for connecting an external pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320632787.8U CN219415808U (en) | 2023-03-22 | 2023-03-22 | Heat exchange assembly of air cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320632787.8U CN219415808U (en) | 2023-03-22 | 2023-03-22 | Heat exchange assembly of air cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219415808U true CN219415808U (en) | 2023-07-25 |
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ID=87233370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320632787.8U Active CN219415808U (en) | 2023-03-22 | 2023-03-22 | Heat exchange assembly of air cooler |
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| Country | Link |
|---|---|
| CN (1) | CN219415808U (en) |
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2023
- 2023-03-22 CN CN202320632787.8U patent/CN219415808U/en active Active
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