Micro-channel aluminum flat tube with good heat exchange effect

Abstract

The utility model discloses a micro-channel aluminum flat tube with a good heat exchange effect, which relates to the technical field of micro-channel aluminum flat tubes and comprises a micro-channel aluminum flat tube body. A plurality of groups of air cavities are formed in the micro-channel aluminum flat pipe body; a plurality of groups of partition plates are fixedly connected to the inner side wall of the micro-channel aluminum flat pipe body; the inner side wall of the micro-channel aluminum flat pipe body is fixedly connected with a heat conducting plate; a plurality of groups of through grooves are formed in the heat conducting plate; the multiple sets of partition plates are fixedly connected into the micro-channel aluminum flat pipe body, heat can be conducted through the partition plates, gas in the micro-channel aluminum flat pipe body can flow from the interior of the gas cavity, the heat conduction plates are arranged between the partition plates, the heat can be spread and diffused through the heat conduction plates, and the temperature of the partition plates in each set is kept consistent; and a plurality of groups of through grooves are formed in the heat conducting plate, and gas can flow through the through grooves, so that the gas can flow normally.

Description

Technical Field

[0001] The utility model relates to the technical field of micro-channel aluminum flat tubes, in particular to a micro-channel aluminum flat tube with good heat exchange effect. Background Art

[0002] Microchannel aluminum flat tube is an aluminum tube with a microchannel structure, usually used in heat exchangers, coolers and other fields; microchannel structure means that there are a large number of tiny channels inside the pipe, which can increase the surface area of ​​the pipe and improve heat transfer efficiency and heat exchange effect.

[0003] A Chinese patent with authorization announcement number CN210661913U discloses a porous microchannel aluminum flat tube, comprising an aluminum flat tube body, a high temperature resistant mechanism, an antifreeze mechanism and an anti-ultraviolet mechanism, wherein a through hole is opened on the front of the aluminum flat tube body, a high temperature resistant mechanism is arranged on the surface of the aluminum flat tube body, an antifreeze mechanism is arranged on the surface of the high temperature resistant mechanism, and an anti-ultraviolet mechanism is arranged on the surface of the antifreeze mechanism; the utility model uses a high temperature resistant mechanism to facilitate the prevention of pores or deformation of the microchannel aluminum flat tube under long-term heating, uses an antifreeze mechanism to facilitate the prevention of breakage of the microchannel aluminum flat tube under long-term cold conditions, and uses an anti-ultraviolet mechanism to avoid corrosion of the microchannel aluminum flat tube under strong ultraviolet radiation, thereby extending the service life of the microchannel aluminum flat tube, saving costs, and solving the problem that the existing microchannel aluminum flat tube will break or produce pores under long-term heat exchange, thereby affecting its normal operation.

[0004] The shortcomings of the above-mentioned existing technical solutions are: the above-mentioned solution uses a high-temperature resistant mechanism to avoid the microchannel aluminum flat tube from developing pores or deformation under long-term heating, and uses an anti-freeze mechanism to avoid the microchannel aluminum flat tube from breaking under long-term cold conditions, thereby extending the service life of the microchannel aluminum flat tube, saving costs, and solving the problem that the existing microchannel aluminum flat tube will break or produce pores under long-term heat exchange. However, the microchannel aluminum flat tube needs to be maintained regularly to ensure that the increase in breakage and pores, and the existing microchannel aluminum flat tube has insufficient heat exchange effect, resulting in poor heat exchange effect of the microchannel aluminum flat tube. The porous structure can increase the fluidity of the airflow, but cannot evenly exchange heat between the microchannel aluminum flat tubes. Here, we provide a microchannel aluminum flat tube with good heat exchange effect. Utility Model Content

[0005] The utility model aims to provide a microchannel aluminum flat tube with good heat exchange effect, so as to solve the technical problems in the prior art that the heat exchange effect of the microchannel aluminum flat tube is insufficient, resulting in poor heat exchange effect of the microchannel aluminum flat tube, and the porous structure can increase the fluidity of the airflow, but the microchannel aluminum flat tube cannot be evenly exchanged for heat.

[0006] The technical problem to be solved by the utility model can be achieved through the following technical solutions:

[0007] A microchannel aluminum flat tube with good heat exchange effect comprises a microchannel aluminum flat tube body; a plurality of air cavities are provided inside the microchannel aluminum flat tube body; a plurality of partitions are fixedly connected to the inner side wall of the microchannel aluminum flat tube body; a heat conduction plate is fixedly connected to the inner side wall of the microchannel aluminum flat tube body; a plurality of through grooves are provided inside the heat conduction plate.

[0008] As a further solution of the utility model: a plurality of ventilation holes are provided inside the partition; an air cavity is provided on one side of the ventilation hole, and the air cavity is communicated with the ventilation hole.

[0009] As a further solution of the utility model: both ends of the partition are coated with a heat-conducting layer, and the heat-conducting layer is a graphite coating material.

[0010] As a further solution of the utility model: a No. 1 sealing cover is installed at the top of the microchannel aluminum flat tube body; a No. 1 connecting pipe is fixedly connected to the top of the No. 1 sealing cover; and a material box is fixedly connected to the side end of the No. 1 connecting pipe.

[0011] As a further solution of the utility model: a No. 2 sealing cover is provided at the bottom end of the No. 1 sealing cover, and a microchannel aluminum flat tube body is installed at the top end of the No. 2 sealing cover; a No. 2 connecting pipe is fixedly connected to the bottom end of the No. 2 sealing cover; and a recovery box is fixedly connected to the side end of the No. 2 connecting pipe.

[0012] As a further solution of the utility model: the inner side wall of the No. 1 sealing cover is fixedly connected with a rubber pad, and the inner side wall of the rubber pad is connected with a microchannel aluminum flat tube body.

[0013] The beneficial effects of the utility model are as follows: a plurality of partitions are fixedly connected to the inside of the microchannel aluminum flat tube body, heat can be conducted through the partitions, the gas inside the microchannel aluminum flat tube body can flow from the inside of the air cavity, a heat conduction plate is arranged between each group of partitions, heat can be propagated and diffused through the heat conduction plate, the temperature of each group of partitions is kept consistent, and the uniformity of heat exchange is improved, a plurality of through grooves are arranged inside the heat conduction plate, the gas can flow through the through grooves, and thus the gas can flow normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the microchannel aluminum flat tube structure of the utility model;

[0017] Figure 3It is a three-dimensional diagram of the heat conduction plate structure in the utility model;

[0018] Figure 4 This utility model Figure 2 Enlarged view of point A in the middle.

[0019] In the figure: 1. Microchannel aluminum flat tube body; 2. Partition; 3. Heat conduction plate; 4. Through groove; 5. Vent hole; 6. Air cavity; 7. Material box; 8. No. 1 connecting pipe; 9. No. 1 sealing cover; 10. No. 2 sealing cover; 11. No. 2 connecting pipe; 12. Recovery box. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1-Figure 4 As shown, a microchannel aluminum flat tube with good heat exchange effect includes a microchannel aluminum flat tube body 1; a plurality of air cavities 6 are provided inside the microchannel aluminum flat tube body 1; a plurality of partitions 2 are fixedly connected to the inner side wall of the microchannel aluminum flat tube body 1; a heat conducting plate 3 is fixedly connected to the inner side wall of the microchannel aluminum flat tube body 1; a plurality of through grooves 4 are provided inside the heat conducting plate 3.

[0022] A plurality of partitions 2 are fixedly connected to the inside of the microchannel aluminum flat tube body 1, through which heat can be conducted, and the gas inside the microchannel aluminum flat tube body 1 can flow from the inside of the air cavity 6. A heat conducting plate 3 is arranged between each group of partitions 2, through which heat can be spread and diffused, so that the temperature of each group of partitions 2 is kept consistent, thereby improving the uniformity of heat exchange, and a plurality of through grooves 4 are arranged inside the heat conducting plate 3, through which gas can flow, so that the gas can flow normally.

[0023] The interior of the partition plate 2 is provided with a plurality of ventilation holes 5 ; an air cavity 6 is provided on one side of the ventilation holes 5 , and the air cavity 6 is communicated with the ventilation holes 5 .

[0024] During operation, the gas inside the air cavity 6 can flow through the vent holes 5, and the gas can flow between the partitions 2 through the vent holes 5, which facilitates the flow of the gas, provides uniform heat exchange, and reduces gas concentration.

[0025] Both ends of the partition 2 are coated with a heat-conducting layer, which is a graphite coating material.

[0026] The surfaces of both ends of the partition 2 are coated with a heat-conducting layer, which is a graphite coating material. The graphite coating material is a material commonly used to coat the inner wall of a pipe. The graphite coating is usually formed by mixing graphite particles or graphite powder with a suitable binder and then coating the mixture on the inner wall of the pipe. It has good thermal conductivity and wear resistance, and can improve the thermal conductivity of the partition 2.

[0027] A No. 1 sealing cover 9 is installed at the top of the microchannel aluminum flat tube body 1; a No. 1 connecting pipe 8 is fixedly connected to the top of the No. 1 sealing cover 9; and a material box 7 is fixedly connected to the side end of the No. 1 connecting pipe 8.

[0028] The microchannel aluminum flat tube body 1 needs to be maintained regularly to reduce the pores and fractures caused by heat exchange on the inner wall of the microchannel aluminum flat tube body 1. The microchannel aluminum flat tube body 1 is first disassembled during maintenance. Epoxy resin is stored inside the microchannel aluminum flat tube body 1. Then a No. 1 sealing cover 9 is installed to the side end of the microchannel aluminum flat tube body 1. The epoxy resin inside the material box 7 is transported to the No. 1 sealing cover 9 through the No. 1 connecting pipe 8. The epoxy resin enters the microchannel aluminum flat tube body 1 through the No. 1 sealing cover 9 and flows inside the microchannel aluminum flat tube body 1. The epoxy resin can be adsorbed on the inner wall of the microchannel aluminum flat tube body 1, and the epoxy resin can increase the service life of the microchannel aluminum flat tube body 1.

[0029] A No. 2 sealing cover 10 is provided at the bottom end of the No. 1 sealing cover 9, and a microchannel aluminum flat tube body 1 is installed at the top end of the No. 2 sealing cover 10; a No. 2 connecting pipe 11 is fixedly connected to the bottom end of the No. 2 sealing cover 10; and a recovery box 12 is fixedly connected to the side end of the No. 2 connecting pipe 11.

[0030] After the No. 1 sealing cover 9 is installed on the microchannel aluminum flat tube body 1, the staff installs the No. 2 sealing cover 10 to the bottom end of the microchannel aluminum flat tube body 1. The epoxy resin flows inside the microchannel aluminum flat tube body 1 and then flows into the No. 2 sealing cover 10, and then is recovered to the inside of the recovery box 12 through the No. 2 connecting pipe 11, so that the excess epoxy resin can be recovered.

[0031] The inner side wall of the No. 1 sealing cover 9 is fixedly connected with a rubber pad, and the inner side wall of the rubber pad is connected with the microchannel aluminum flat tube body 1.

[0032] The inner wall of the No. 1 sealing cover 9 is provided with a rubber pad, which can improve the sealing performance between the No. 1 sealing cover 9 and the microchannel aluminum flat tube body 1 to avoid leakage of epoxy resin material during work. After the work is completed, the No. 1 sealing cover 9 can be directly pulled out.

[0033] The working principle of the utility model is as follows: a plurality of partitions 2 are fixedly connected to the inside of the microchannel aluminum flat tube body 1, heat can be conducted through the partitions 2, and the gas inside the microchannel aluminum flat tube body 1 can flow from the inside of the air cavity 6. A heat conducting plate 3 is arranged between each group of partitions 2, and the heat can be spread and diffused through the heat conducting plate 3, so that the temperature of each group of partitions 2 is kept consistent, thereby improving the uniformity of heat exchange. A plurality of through grooves 4 are arranged inside the heat conducting plate 3, and gas can flow through the through grooves 4, so that gas can flow normally; during operation, gas inside the air cavity 6 can flow through the vents 5, and gas The air vents 5 allow gas to flow between the partitions 2, facilitating the flow of gas, providing uniform heat exchange, and reducing gas concentration. The surfaces of both ends of the partition 2 are coated with a heat-conducting layer, which is a graphite coating material. The graphite coating material is a material commonly used to coat the inner wall of a pipe. The graphite coating is usually formed by mixing graphite particles or graphite powder with a suitable binder and then coating it on the inner wall of the pipe. It has good thermal conductivity and wear resistance, and can improve the thermal conductivity of the partition 2. The microchannel aluminum flat tube body 1 needs to be maintained regularly to reduce the impact of heat exchange on the microchannel aluminum flat tube. In the case of pores and fractures generated on the inner wall of the microchannel aluminum flat tube body 1, the microchannel aluminum flat tube body 1 is first disassembled during maintenance. Epoxy resin is stored inside the microchannel aluminum flat tube body 1, and then a No. 1 sealing cover 9 is installed at the side end of the microchannel aluminum flat tube body 1. The epoxy resin inside the material box 7 is transported to the No. 1 sealing cover 9 through the No. 1 connecting pipe 8. The epoxy resin enters the microchannel aluminum flat tube body 1 through the No. 1 sealing cover 9 and flows inside the microchannel aluminum flat tube body 1. The epoxy resin can be adsorbed on the inner wall of the microchannel aluminum flat tube body 1, and the service life of the microchannel aluminum flat tube body 1 can be increased through the epoxy resin; the No. 1 sealing cover 9 A rubber pad is provided on the inner wall, which can improve the sealing performance between the No. 1 sealing cover 9 and the microchannel aluminum flat tube body 1, and avoid leakage of epoxy resin material during work. After the work is completed, the No. 1 sealing cover 9 can be directly pulled out; when the No. 1 sealing cover 9 is installed on the microchannel aluminum flat tube body 1, the staff will install the No. 2 sealing cover 10 to the bottom end of the microchannel aluminum flat tube body 1. The epoxy resin flows inside the microchannel aluminum flat tube body 1 and then flows into the No. 2 sealing cover 10, and then is recovered to the inside of the recovery box 12 through the No. 2 connecting pipe 11, and the excess epoxy resin can be recovered.

[0034] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A microchannel aluminum flat tube with good heat exchange effect, characterized in that: The invention comprises a microchannel aluminum flat tube body (1); a plurality of air cavities (6) are provided inside the microchannel aluminum flat tube body (1); a plurality of partitions (2) are fixedly connected to the inner side wall of the microchannel aluminum flat tube body (1); a heat conduction plate (3) is fixedly connected to the inner side wall of the microchannel aluminum flat tube body (1); and a plurality of through grooves (4) are provided inside the heat conduction plate (3).

2. The microchannel aluminum flat tube with good heat exchange effect according to claim 1, characterized in that: A plurality of groups of ventilation holes (5) are provided inside the partition (2); an air cavity (6) is provided on one side of the ventilation holes (5), and the air cavity (6) is in communication with the ventilation holes (5).

3. The microchannel aluminum flat tube with good heat exchange effect according to claim 1, characterized in that: Both ends of the partition (2) are coated with a heat-conducting layer, which is a graphite coating material.

4. The microchannel aluminum flat tube with good heat exchange effect according to claim 1, characterized in that: A No. 1 sealing cover (9) is installed at the top end of the microchannel aluminum flat tube body (1); a No. 1 connecting pipe (8) is fixedly connected to the top end of the No. 1 sealing cover (9); and a material box (7) is fixedly connected to the side end of the No. 1 connecting pipe (8).

5. The microchannel aluminum flat tube with good heat exchange effect according to claim 4, characterized in that: A No. 2 sealing cover (10) is provided at the bottom end of the No. 1 sealing cover (9), and a microchannel aluminum flat tube (1) is installed at the top end of the No. 2 sealing cover (10); a No. 2 connecting tube (11) is fixedly connected to the bottom end of the No. 2 sealing cover (10); and a recovery box (12) is fixedly connected to the side end of the No. 2 connecting tube (11).

6. The microchannel aluminum flat tube with good heat exchange effect according to claim 4, characterized in that: The inner side wall of the No. 1 sealing cover (9) is fixedly connected with a rubber pad, and the inner side wall of the rubber pad is connected with a microchannel aluminum flat tube body (1).

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