Novel efficient heat exchange cold plate externally welded with fins

Abstract

The utility model discloses a novel efficient heat exchange cold plate externally welded with fins, relates to the technical field of unmanned aerial vehicles, and aims to solve the problems that in the prior art, a conventional heat exchanger occupies a large cabin volume, and an air pipeline also occupies the cabin space. The heat exchange plate and the unmanned aerial vehicle shell are integrated, the heat exchange plate comprises a first partition plate and a second partition plate, external welding fins are arranged on the first partition plate, a cavity is formed between the second partition plate and the first partition plate, an inlet pipe and an outlet pipe are arranged on the second partition plate, and flow dividing blocks are arranged at the bottom of the cavity at the positions corresponding to the inlet pipe and the outlet pipe. According to the efficient heat exchange cold plate with the fins welded outside, compared with a conventional heat exchange cold plate, the heat exchange area is increased, the heat exchange efficiency is greatly improved, and meanwhile the situation that a traditional heat exchanger occupies the internal space of a cabin is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a novel high-efficiency heat exchange cold plate with externally welded fins. Background Art

[0002] Fuel cells used in drones generate a lot of heat during the power generation process. This heat needs to be transferred through a heat exchanger to avoid heat accumulation causing system overheating, thereby affecting the normal operation and life of the fuel battery and other components in the cabin. Conventional heat exchangers occupy a large cabin volume and are heavy. At the same time, air needs to be drawn into the cabin, and the air pipeline will also occupy the cabin space. In order to improve the cabin utilization rate and solve the problem of overheating of fuel cell working heat accumulation, a new type of high-efficiency heat exchange cold plate with external welded fins is specially designed. It is fixed on the outside of the aircraft and uses ram wind convection heat exchange to save space inside the cabin. It is light in weight and will eventually replace the original heat exchanger. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a novel high-efficiency heat exchange cold plate with externally welded fins, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses a novel high-efficiency heat exchange cold plate with externally welded fins, and the technical solution adopted is, including a drone shell. The belly of the drone shell is provided with a heat exchange plate, and the heat exchange plate and the drone shell are integrated to save internal space. The heat exchange plate includes a first partition and a second partition. The first partition is provided with externally welded fins, and heat is dissipated by airflow. A cavity is provided between the second partition and the first partition. An inlet pipe and an outlet pipe are provided on the second partition, and the inlet pipe and the outlet pipe are connected to the cavity. A diverter block is provided at the bottom of the cavity at the corresponding position of the inlet pipe and the outlet pipe, so that the entering coolant can be quickly dispersed. Guide fins are provided around the diverter blocks on both sides of the cavity, and inner fins are provided in the middle of the cavity, and the guide fins are connected to the inner fins.

[0005] As a preferred technical solution of the utility model, the diverter block is star-shaped, and an auxiliary diverter is provided between each angle of the diverter block to evenly spread the coolant around.

[0006] As a preferred technical solution of the utility model, annular seals are provided on the inlet pipe and the outlet pipe for sealing when connected to a water cooling system.

[0007] As a preferred technical solution of the utility model, the first partition is toward the outside of the drone housing, and the second partition is toward the inside of the drone housing.

[0008] As a preferred technical solution of the utility model, the inlet pipe is connected with the water outlet of the UAV water cooling system, and the outlet pipe is connected with the water inlet of the UAV water cooling system, so that the hot water in the UAV water cooling system flows into the heat exchange plate through the inlet pipe, and the cooled water flows back to the water cooling system from the outlet pipe.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention greatly improves the heat exchange efficiency by increasing the heat exchange area of ​​the high-efficiency heat exchange cold plate with externally welded fins compared to the conventional heat exchange cold plate, while also avoiding the problem of traditional heat exchangers occupying the internal space of the cabin and being heavy. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0011] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0012] Figure 3 This is a schematic diagram of the heat exchange plate structure of the utility model;

[0013] Figure 4 This is an enlarged view of the structure A of the utility model;

[0014] Figure 5 This is a left view of the structure of the utility model;

[0015] Figure 6 This is an enlarged view of structure B of the utility model;

[0016] Figure 7 It is a cross-sectional view of the utility model;

[0017] Figure 8 It is an enlarged view of point C of the present utility model.

[0018] In the figure: 1. UAV shell; 2. Heat exchange plate; 202. First partition; 203. Second partition; 3. Inlet pipe; 4. Outlet pipe; 5. External welded fin; 6. Diverter block; 601. Auxiliary diverter; 7. Guide fin; 8. Inner fin; 9. Ring seal. DETAILED DESCRIPTION

[0019] 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 in 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. Example 1

[0020] like Figures 1 to 8 As shown, the utility model discloses a novel high-efficiency heat exchange cold plate with externally welded fins, and the technical solution adopted is that it includes a drone shell 1, and the belly of the drone shell 1 is provided with a heat exchange plate 2 as shown in FIG. Figure 1 As shown, the heat exchange plate 2 is integrated with the drone shell 1, and the heat exchange plate 2 includes a first partition 202 and a second partition 203, the first partition 202 faces the outside of the drone shell 1, and the second partition 203 faces the inside of the drone shell 1, the first partition 202 is provided with an external welding fin 5, a cavity is provided between the first partition 202 and the second partition 203, and the second partition 203 is provided with an inlet pipe 3 and an outlet pipe 4, and the inlet pipe 3 and the outlet pipe 4 have an annular seal 9 The inlet pipe 3 is connected to the water outlet of the drone water cooling system, the outlet pipe 4 is connected to the water inlet of the drone water cooling system, the inlet pipe 3 and the outlet pipe 4 are connected to the cavity, a diverter block 6 is provided at the bottom of the cavity at the relative position of the inlet pipe 3 and the outlet pipe 4, the diverter block 6 is star-shaped, an auxiliary diverter 601 is provided between the angles of the diverter block 6, a guide fin 7 is provided around the diverter block 6, an inner fin 8 is provided in the middle of the cavity, and the guide fin 7 is connected to the inner fin 8 as shown in FIG. Figure 8 shown.

[0021] The working principle of the utility model is as follows: during the operation of the UAV, the water cooling system exchanges heat with the heat point through the flow of cooling water. The hot water after exchange flows into the cavity inside the heat exchange plate 2 through the inlet pipe 3, and the hot water is quickly separated to the surroundings through the diverter block 6. The hot water is dispersed through the guide fins 7 and flows into the inner fins 8. The heat is transferred to the outer welded fins 5 through the second partition plate 203. The external air flows on the outer welded fins 5 to carry the heat. The cooled cooling water gathers at the outlet pipe 4 and flows back into the water cooling system to complete the heat dissipation.

[0022] The circuits and mechanical connections involved in the present utility model are conventional means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, which belong to common knowledge.

[0023] Components not described in detail herein are prior art.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel high-efficiency heat exchange cold plate with externally welded fins, comprising a UAV shell (1), characterized in that: A heat exchange plate (2) is provided at the belly of the drone shell (1), the heat exchange plate (2) and the drone shell (1) are integrated, the heat exchange plate (2) comprises a first partition (202) and a second partition (203), the first partition (202) is provided with an externally welded fin (5), a cavity is provided between the second partition (203) and the first partition (202), an inlet pipe (3) and an outlet pipe (4) are provided on the second partition (203), the inlet pipe (3) and the outlet pipe (4) are connected to the cavity, a diverter block (6) is provided at the bottom of the cavity at positions corresponding to the inlet pipe (3) and the outlet pipe (4), guide fins (7) are provided around the diverter blocks (6) on both sides of the cavity, an inner fin (8) is provided in the middle of the cavity, and the guide fin (7) is connected to the inner fin (8).

2. According to claim 1, a novel high-efficiency heat exchange cold plate with externally welded fins is characterized by: The diverter block (6) is star-shaped, and an auxiliary diverter (601) is provided between each angle of the diverter block (6).

3. According to claim 1, a novel high-efficiency heat exchange cold plate with externally welded fins is characterized by: The inlet pipe (3) and the outlet pipe (4) are provided with an annular seal (9).

4. The novel high-efficiency heat exchange cold plate with externally welded fins according to claim 1 is characterized in that: The first partition plate (202) faces the outside of the drone housing (1), and the second partition plate (203) faces the inside of the drone housing (1).

5. The novel high-efficiency heat exchange cold plate with externally welded fins according to claim 1 is characterized in that: The inlet pipe (3) is connected to the water outlet of the UAV water cooling system, and the outlet pipe (4) is connected to the water inlet of the UAV water cooling system.

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