CN217585463U - Liquid collecting structure for micro-channel heat exchanger and micro-channel heat exchanger - Google Patents
Liquid collecting structure for micro-channel heat exchanger and micro-channel heat exchanger Download PDFInfo
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- CN217585463U CN217585463U CN202221496585.7U CN202221496585U CN217585463U CN 217585463 U CN217585463 U CN 217585463U CN 202221496585 U CN202221496585 U CN 202221496585U CN 217585463 U CN217585463 U CN 217585463U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a liquid collecting structure for a micro-channel heat exchanger and a micro-channel heat exchanger, which comprises a liquid collecting pipe, an additional cavity and an inlet and outlet pipe which are arranged from bottom to top in sequence; the liquid collecting pipe comprises an opening on the inner side of the liquid collecting pipe and an opening on the outer side of the liquid collecting pipe; a cooling liquid channel is arranged in the liquid collecting pipe and is communicated with the additional cavity through an opening on the inner side of the liquid collecting pipe; the additional cavity comprises an additional cavity lower part and an additional cavity upper part, and the additional cavity lower part completely wraps the opening on the inner side of the liquid collecting pipe; the upper part of the additional cavity is provided with a cavity upper round hole which extends upwards from the upper part of the additional cavity to the edge of the upper part of the cavity; the inlet and outlet pipe is sleeved on the edge of the upper part of the cavity body and is communicated with the additional cavity body through a round hole in the upper part of the cavity body. The utility model discloses help increasing the coolant liquid at the reposition of redundant personnel and the flow space of the in-process that converges, help improving the flow distribution problem of coolant liquid, help reducing the branch, converge the water that produces and hinder to help promoting heat transfer performance.
Description
Technical Field
The utility model relates to a microchannel heat exchanger manufacturing and designing technical field specifically relates to a microchannel heat exchanger is with album liquid structure and microchannel heat exchanger.
Background
Along with the development of new energy automobile, the battery has gradually replaced the engine, and the low temperature water tank replaces the high temperature water tank for the cooling of battery and three electricity, and the all aluminium formula microchannel heat exchanger of brazing has the heat exchange efficiency height, simple structure, advantage such as with low costs, and is very suitable as the low temperature water tank.
Generally, an all-aluminum type micro-channel heat exchanger is composed of an inlet/outlet water pipe, a flow distribution and collection pipe, a flow convergence and collection pipe, a plurality of flat pipes and fins. Due to the continuous improvement of the requirement of the new energy automobile on the endurance mileage and the continuous increase of the capacity of the battery, the heat release quantity of the battery is also increased, and the low-temperature water tank with larger ventilation area and the cooling liquid with larger flow rate are required to take away the heat. The increase of the size of the low-temperature water tank can cause the uneven flow distribution of the cooling liquid in the flow dividing and collecting pipe, so that the heat exchange efficiency of the low-temperature water tank is reduced, and a larger water tank is further required to be adopted, thereby increasing the cost; the increase of the flow rate of the cooling liquid can aggravate the uneven flow distribution and cause the increase of the flow resistance in the confluence liquid collecting pipe, and the power of the water pump needs to be increased, thereby increasing the cost.
A prior chinese patent publication No. CN101520282B discloses a microchannel heat exchanger, which includes: first and second headers; flat tubes; the fins are arranged between the adjacent flat tubes; the interior of the first collecting pipe and/or the second collecting pipe is divided into a plurality of chambers by at least one first partition to form a plurality of flow paths in the microchannel heat exchanger, two adjacent flow paths are communicated through one of the connecting flow paths in the first collecting pipe and/or the second collecting pipe, a second partition and a distributor are arranged in at least one connecting flow path, the distributor communicates two sides of the second partition to distribute fluid on one side of the second partition to the other side of the second partition, the distributor is a distributing pipe formed with orifices penetrating through the pipe wall, and the distributing pipe is provided with a necking part with a pipe diameter smaller than that of other parts of the distributing pipe between two adjacent orifices.
The inventor thinks that in the prior art, if the size of water tank increases, cost can be increased, if the flow of coolant liquid increases, flow resistance in the collection liquid pipe that converges can lead to the increase, need the power of increase water pump to increase the cost, in order not to increase these extra costs, need provide a new collection liquid structure to reduce flow resistance, reduce cost.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a microchannel is liquid collecting structure and microchannel heat exchanger for heat exchanger.
According to the utility model, the liquid collecting structure for the micro-channel heat exchanger comprises a liquid collecting pipe, an additional cavity and an inlet and outlet pipe which are arranged from bottom to top in sequence; the liquid collecting pipe comprises an outer side of the liquid collecting pipe, an inner side opening of the liquid collecting pipe is formed in the outer side of the liquid collecting pipe, and an outer side opening of the liquid collecting pipe is formed in one side, away from the outer side of the liquid collecting pipe, of the liquid collecting pipe; a cooling liquid channel is arranged in the liquid collecting pipe and is communicated with the additional cavity through an inner side hole of the liquid collecting pipe; the additional cavity comprises an additional cavity lower part and an additional cavity upper part, and the inner side opening of the liquid collecting pipe is completely wrapped by the additional cavity lower part; a cavity upper round hole is formed in the upper portion of the additional cavity and extends upwards from the upper portion of the additional cavity to the edge of the upper portion of the cavity; the inlet and outlet pipe is sleeved on the edge of the upper part of the cavity, and the inlet and outlet pipe is communicated with the additional cavity through the circular hole on the upper part of the cavity.
Preferably, the shape of the liquid collecting pipe comprises a cylinder shape, an elliptical cylinder shape or a two-piece shape; the shape of the outer side hole of the liquid collecting pipe comprises a strip shape and a round hole shape.
Preferably, a plurality of the collector tube outer side openings are arranged along the axial direction of the collector tube.
Preferably, the additional cavity comprises an aluminum plate stamped cavity.
Preferably, the shape of the inner side hole of the liquid collecting pipe comprises a long strip shape, and the shape of the lower part of the additional cavity is matched with the inner side hole of the liquid collecting pipe.
Preferably, the lower part of the additional cavity comprises a cavity lower part edge, the shape of the cavity lower part edge is matched with the outer side of the liquid collecting pipe, and the width of the cavity lower part edge comprises 3-5mm.
Preferably, the lower edge of the cavity comprises the inner side of the lower edge of the cavity, and the inner side of the lower edge of the cavity is tightly matched and connected with the outer side of the liquid collecting pipe.
Preferably, the height of the upper edge of the cavity comprises 2-3mm.
Preferably, the inlet and outlet pipe comprises a trumpet shape with a thin upper part and a thick lower part, and the inlet and outlet pipe comprises an upper opening of the inlet and outlet pipe and a lower opening of the inlet and outlet pipe; the lower opening of the inlet and outlet pipe is in interference fit with the edge of the upper part of the cavity, and the size of the inner edge of the upper part of the cavity is larger than that of the lower opening of the inlet and outlet pipe.
According to the utility model provides a pair of microchannel heat exchanger adopts foretell microchannel heat exchanger to use and collects liquid structure, still includes the heat exchanger core, the collector tube additional cavity the inlet and outlet pipe and the heat exchanger core is brazed and is connected and form an organic whole.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a collector tube, additional cavity and import and export the cooperation of pipe three help increasing the coolant liquid at the reposition of redundant personnel and the flow space of the in-process that converges, help improving the flow distribution problem of coolant liquid, help reducing the reposition of redundant personnel and converge the time water that produces and hinder to help promoting heat transfer performance.
2. The utility model discloses an use additional cavity, help increasing the coolant liquid at the reposition of redundant personnel and the space that flows of in-process that converges to help promoting heat exchange efficiency, the simple structure of additional cavity helps reduce cost.
3. The utility model discloses a set up the trompil of collector tube outside and the inboard trompil of collector tube on the collector tube, help improving the flow distribution problem of coolant liquid to help reducing the water resistance that produces when reposition of redundant personnel and converging.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic view of the overall structure of the liquid collecting structure for the microchannel heat exchanger according to the present invention;
FIG. 2 is a sectional view of the liquid collecting structure for microchannel heat exchanger according to the present invention;
FIG. 3 is a schematic view of the liquid collecting tube of the present invention;
fig. 4 is a schematic structural view of the present invention mainly embodying the additional cavity;
fig. 5 is a schematic structural view of the inlet and outlet pipes according to the present invention.
Reference numerals:
inlet and outlet pipe 3 of additional cavity 2 of liquid collecting pipe 1
The outer side of the liquid collecting pipe is provided with an opening 4, the inner side of the liquid collecting pipe is provided with an opening 5, and an additional cavity lower part 6 is arranged at the inner side of the liquid collecting pipe
Additional cavity upper part 7, cavity upper part edge 8, cavity upper part circular hole 9
Liquid collecting pipe outside 10, cavity lower part edge 11, cavity lower part edge inside 12
Inlet and outlet pipe upper opening 13 and inlet and outlet pipe lower opening 14
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, the liquid collecting structure for a microchannel heat exchanger according to the present invention comprises a liquid collecting pipe 1, an additional cavity 2 and an inlet/outlet pipe 3 sequentially arranged from bottom to top; the liquid collecting pipe 1 comprises a liquid collecting pipe outer side 10, a liquid collecting pipe inner side opening 5 is arranged on the liquid collecting pipe outer side 10, and a liquid collecting pipe outer side opening 4 is arranged on one side, far away from the liquid collecting pipe outer side 10, of the liquid collecting pipe 1; a cooling liquid channel is arranged in the liquid collecting tube 1 and is communicated with the additional cavity 2 through an opening 5 on the inner side of the liquid collecting tube; the additional cavity 2 comprises an additional cavity lower part 6 and an additional cavity upper part 7, and the additional cavity lower part 6 completely wraps the opening 5 on the inner side of the liquid collecting pipe; a cavity upper round hole 9 is formed in the additional cavity upper portion 7, and the cavity upper round hole 9 extends upwards from the additional cavity upper portion 7 to form a cavity upper edge 8; the inlet and outlet pipe 3 is sleeved on the edge 8 of the upper part of the cavity, and the inlet and outlet pipe 3 is communicated with the additional cavity 2 through a round hole 9 on the upper part of the cavity.
Generally, an all-aluminum type micro-channel heat exchanger consists of an inlet/outlet water pipe, a flow distribution and collection pipe, a flow convergence and collection pipe, a plurality of flat pipes and fins. In this application, collecting main outside trompil 4 is used for with additional cavity 2, import and export the cooperation of managing 3, forms the reposition of redundant personnel and the passageway that converges of coolant liquid, and collecting main inboard trompil 5 is used for forming the circulation passageway of coolant liquid with flat pipe cooperation. Collecting tube 1, additional cavity 2 and inlet and outlet pipe 3 get into simultaneously with whole heat exchanger core after the cooperation and braze the stove of brazing, form integratively, the collection liquid structure of this application can be used for the reposition of redundant personnel simultaneously and converge, also can only be used for the reposition of redundant personnel or converge.
This application structure is fairly simple, can effectual increase coolant liquid at the reposition of redundant personnel and the flow space of converging the in-process, can obviously improve the flow distribution problem of coolant liquid to reduce the water resistance that produces when reposition of redundant personnel and converge, promote heat transfer performance, and need not increase the power of water pump, reduce cost.
As shown in fig. 4, the shape of the header pipe 1 includes any shape such as a cylindrical shape, an elliptic cylindrical shape, or a two-piece shape.
The shape of the opening 4 on the outer side of the liquid collecting pipe comprises a strip shape and a round hole shape. The number of the outer openings 4 of the header pipe can be one or more. Preferably, a plurality of collecting pipe outer openings 4 are arranged along the axial direction of the collecting pipe 1, and the size of the collecting pipe outer openings 4 in the thickness direction of the heat exchanger core body is as large as possible.
The additional cavity 2 comprises a cavity stamped from an aluminum plate. The additional cavity 2 can be formed by directly stamping a single aluminum plate, or can be formed by stamping a single aluminum plate into a half shape of the additional cavity 2, and the two half additional cavities 2 are matched to form a complete additional cavity 2.
Preferably, the shape of the opening 5 at the inner side of the liquid collecting pipe is a strip shape, the shape of the lower part 6 of the additional cavity is matched with the opening 5 at the inner side of the liquid collecting pipe, and the cross section of the lower part 6 of the cavity is a strip shape.
The lower part 6 of the additional cavity comprises a lower edge 11 of the cavity, the shape of the lower edge 11 of the cavity is matched with the outer side 10 of the liquid collecting pipe, and the width of the lower edge 11 of the cavity is 3-5mm.
The cavity lower part edge 11 comprises a cavity lower part edge inner side 12, and the cavity lower part edge inner side 12 is tightly matched and connected with the liquid collecting pipe outer side 10.
The upper edge 8 of the cavity is formed by stamping, and the height of the upper edge 8 of the cavity is 2-3mm.
As shown in fig. 5, the inlet/outlet pipe 3 includes a trumpet shape with a thin upper part and a thick lower part, and the inlet/outlet pipe 3 includes an inlet/outlet pipe upper opening 13 and an inlet/outlet pipe lower opening 14. The outer edge of the upper opening 13 of the inlet and outlet pipe is connected with the inner edge of the interface of the external structure in a matching way. The lower opening 14 of the inlet and outlet pipe is in interference fit with the edge 8 of the upper part of the cavity body, and the size of the inner edge of the edge 8 of the upper part of the cavity body is larger than that of the lower opening 14 of the inlet and outlet pipe.
This application is through trompil on the collector tube 1, then increases an additional cavity 2, can effectual increase coolant liquid at the reposition of redundant personnel and the flow space of the in-process that converges. The whole liquid collecting structure is simple, the flow distribution problem of cooling liquid can be obviously improved, water resistance generated in flow dividing and converging is reduced, the heat exchange performance is improved, the liquid collecting structure is beneficial to being widely applied in practice, and the liquid collecting structure has great use significance.
Example 2
A micro-channel heat exchanger is based on the liquid collection structure for the micro-channel heat exchanger in embodiment 1 and further comprises a heat exchanger core body, and a liquid collection pipe 1, an additional cavity 2, an inlet and outlet pipe 3 and the heat exchanger core body are connected into a whole in a brazing mode. Whole microchannel heat exchanger simple structure can obviously improve the flow distribution problem of coolant liquid to reduce the water resistance that produces when reposition of redundant personnel and converging, promote the heat exchange efficiency of water tank, and need not increase the power of water pump, reduce cost helps increase of service life, improves application scope.
Principle of operation
The liquid collecting tube 1 comprises a liquid collecting tube outer side 10, an inner side opening 5 of the liquid collecting tube is formed in the liquid collecting tube outer side 10, and an outer side opening 4 of the liquid collecting tube is formed in one side, far away from the liquid collecting tube outer side 10, of the liquid collecting tube 1. The opening 4 on the outer side of the liquid collecting pipe is used for being matched with the additional cavity 2 and the inlet and outlet pipe 3 to form a flow dividing and converging channel of cooling liquid, and the opening 5 on the inner side of the liquid collecting pipe is used for being matched with the flat pipe to form a flow channel of the cooling liquid.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A liquid collecting structure for a micro-channel heat exchanger is characterized by comprising a liquid collecting pipe (1), an additional cavity (2) and an inlet and outlet pipe (3) which are arranged from bottom to top in sequence;
the liquid collecting pipe (1) comprises a liquid collecting pipe outer side (10), a liquid collecting pipe inner side opening (5) is arranged on the liquid collecting pipe outer side (10), and a liquid collecting pipe outer side opening (4) is arranged on one side, far away from the liquid collecting pipe outer side (10), of the liquid collecting pipe (1);
a cooling liquid channel is arranged in the liquid collecting pipe (1), and the cooling liquid channel is communicated with the additional cavity (2) through an opening (5) in the inner side of the liquid collecting pipe;
the additional cavity (2) comprises an additional cavity lower part (6) and an additional cavity upper part (7), and the additional cavity lower part (6) completely wraps the opening (5) on the inner side of the liquid collecting pipe;
a cavity upper round hole (9) is formed in the additional cavity upper portion (7), and the cavity upper round hole (9) extends upwards from the additional cavity upper portion (7) to form a cavity upper portion edge (8);
the inlet and outlet pipe (3) is sleeved on the edge (8) of the upper part of the cavity, and the inlet and outlet pipe (3) is communicated with the additional cavity (2) through the round hole (9) of the upper part of the cavity.
2. The liquid collecting structure for a microchannel heat exchanger as set forth in claim 1, wherein the shape of the liquid collecting tube (1) comprises a cylindrical shape, an elliptic cylindrical shape or a two-piece shape;
the shape of the outer side hole (4) of the liquid collecting pipe comprises a strip shape and a round hole shape.
3. The liquid collecting structure for the microchannel heat exchanger as recited in claim 1, wherein a plurality of the liquid collecting tube outside openings (4) are provided along the axial direction of the liquid collecting tube (1).
4. The liquid collecting structure for the microchannel heat exchanger as recited in claim 1, wherein the additional chamber (2) comprises a chamber formed by press-molding an aluminum plate.
5. A liquid collecting structure for a microchannel heat exchanger as claimed in claim 1, wherein the shape of the inner side opening (5) of the liquid collecting tube comprises a long strip shape, and the shape of the lower part (6) of the additional cavity matches with the shape of the inner side opening (5) of the liquid collecting tube.
6. A liquid collecting structure for a microchannel heat exchanger according to claim 1, wherein the additional chamber lower part (6) comprises a chamber lower part edge (11), the chamber lower part edge (11) being shaped to match the liquid collecting tube outer side (10), the width of the chamber lower part edge (11) comprising 3-5mm.
7. The liquid collecting structure for the microchannel heat exchanger as recited in claim 6, wherein said cavity lower edge (11) comprises a cavity lower edge inner side (12), and said cavity lower edge inner side (12) is tightly fitted and connected with said liquid collecting tube outer side (10).
8. A liquid collecting structure for a microchannel heat exchanger as set forth in claim 1, wherein the height of the upper edge (8) of the chamber comprises 2-3mm.
9. The liquid collecting structure for the microchannel heat exchanger as set forth in claim 1, wherein the inlet and outlet tube (3) comprises a trumpet shape which is thin at the top and thick at the bottom, and the inlet and outlet tube (3) comprises an inlet and outlet tube upper opening (13) and an inlet and outlet tube lower opening (14);
the lower opening (14) of the inlet and outlet pipe is in interference fit with the edge (8) of the upper part of the cavity, and the size of the inner edge of the edge (8) of the upper part of the cavity is larger than that of the lower opening (14) of the inlet and outlet pipe.
10. A microchannel heat exchanger, characterized in that, the liquid collecting structure for the microchannel heat exchanger of any one of claims 1 to 9 is adopted, and the microchannel heat exchanger further comprises a heat exchanger core, and the liquid collecting pipe (1), the additional cavity (2), the inlet and outlet pipe (3) and the heat exchanger core are connected into a whole by brazing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221496585.7U CN217585463U (en) | 2022-06-15 | 2022-06-15 | Liquid collecting structure for micro-channel heat exchanger and micro-channel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221496585.7U CN217585463U (en) | 2022-06-15 | 2022-06-15 | Liquid collecting structure for micro-channel heat exchanger and micro-channel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217585463U true CN217585463U (en) | 2022-10-14 |
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ID=83530632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221496585.7U Active CN217585463U (en) | 2022-06-15 | 2022-06-15 | Liquid collecting structure for micro-channel heat exchanger and micro-channel heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217585463U (en) |
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2022
- 2022-06-15 CN CN202221496585.7U patent/CN217585463U/en active Active
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