Lightweight heat dissipation protective shell for hydrogen fuel cell

Abstract

The utility model relates to a light-weight heat dissipation protective shell for a hydrogen fuel cell, which comprises a shell body, a mounting groove is arranged at the top of the shell body, a cover plate is arranged at the opening position of the mounting groove, and weight reduction grooves are arranged on the outer walls of the periphery of the shell body; and the number of the first positioning assemblies is two, the two first positioning assemblies are arranged at the bottom of the weight reduction groove and the bottom of the cover plate correspondingly, and each first positioning assembly comprises a heat conduction plate and a supporting rubber pad. The utility model relates to the technical field of hydrogen fuel cells. According to the light-weight heat dissipation protective shell for the hydrogen fuel cell, through the arrangement of the first positioning assembly and the second positioning assembly, all-directional support can be provided for the hydrogen fuel cell, so that the hydrogen fuel cell is more stable to mount, and a heat conduction plate arranged in the first positioning assembly and a heat dissipation plate arranged in the second positioning assembly can be used for heat dissipation of the hydrogen fuel cell. The heat dissipation of the hydrogen fuel cell can be effectively improved, and the use stability of the hydrogen fuel cell is effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydrogen fuel cell, especially to a light weight heat dissipation protection shell for hydrogen fuel cell. BACKGROUND

[0002] Hydrogen fuel cell is a device that converts the chemical energy of hydrogen and oxygen into electricity. In order to reduce the overall weight of the hydrogen fuel cell, a light weight shell specially designed for hydrogen fuel cell is usually used. By using light weight materials, manufacturers can reduce the overall weight of the vehicle, thereby improving energy efficiency and mileage. This design not only reduces material costs, but also reduces transportation and operating costs.

[0003] According to the hydrogen fuel cell positioning shock absorption shell for electric vehicles disclosed by Chinese patent publication No. CN212587535U, the utility model discloses a hydrogen fuel cell positioning shock absorption shell for electric vehicles, which comprises a shell, a shock pad, a connecting plate, a shell cover and a second buffer layer. The upper surface of the shell is provided with a shock pad, and the upper surface of the shock pad is provided with a base. Threaded grooves and limiting grooves are formed in the left and right surfaces of the shell. The upper surface of the shell is provided with a shell cover, and the inner surface of the shell cover is provided with a circular groove. The inner surface of the circular groove is welded with a second spring. The lower surface of the second spring is welded with a support rod, and the lower surface of the support rod is provided with a second buffer layer. The hydrogen fuel cell positioning shock absorption shell for electric vehicles is provided with a shock pad, a second spring and a second buffer layer. When the hydrogen fuel cell produces slight vibration during use of the electric vehicle, the shock pad and the second buffer layer protect the upper and lower surfaces of the hydrogen fuel cell, preventing the hydrogen fuel cell from being damaged when vibrating in the shell.

[0004] According to the above-mentioned patent, by providing a connecting shaft, a connecting plate and a first buffer layer, the hydrogen fuel cell shell provides limiting and protection for the hydrogen fuel cell. However, this protection method by multiple surfaces contacting the hydrogen fuel cell will block the heat dissipation surface of the hydrogen fuel cell, thereby affecting the self-heat dissipation of the hydrogen fuel cell during use, and reducing the use stability of the hydrogen fuel cell. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a light weight heat dissipation protection shell for hydrogen fuel cell, in order to solve the technical problems mentioned in the background.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A light weight heat dissipation protection shell for hydrogen fuel cell comprises a shell, an installation slot is formed in the top of the shell, a cover plate is installed at the opening position of the installation slot, and weight reduction grooves are formed in the outer walls of the shell.

[0008] The first positioning assembly is provided with two groups, and the two first positioning assemblies are respectively arranged at the bottom of the weight reduction groove and the bottom of the cover plate.

[0009] The second positioning assembly is provided with four groups, and the four groups of second positioning assemblies are respectively arranged on the four walls of the mounting groove for supporting the four walls of the hydrogen fuel cell.

[0010] Further, the front and rear sides of the support rubber pad are protruded to form support portions, the support portions are wrapped around the outer wall of the heat conduction plate, and the top of the support portion is in contact with the outer wall of the hydrogen fuel cell.

[0011] Further, the second positioning assembly comprises a heat dissipation plate and heat dissipation fins, the heat dissipation plate is arranged in the mounting groove, at least two springs are arranged between the side of the heat dissipation plate close to the inner wall of the mounting groove and the inner wall of the mounting groove, a plurality of heat dissipation fins are arranged between the adjacent two springs, one side of the heat dissipation fin is fixedly connected with the heat dissipation plate, and the other side of the heat dissipation fin extends out of the shell.

[0012] Further, a square groove is formed in the outer wall of the shell and communicates with the mounting groove, and the heat dissipation fin is slidingly arranged in the square groove.

[0013] Further, a circular hole coaxial with the spring is formed in the outer wall of the heat dissipation plate, a support column is slidingly arranged in the circular hole, one end of the support column is fixedly connected with the inner wall of the mounting groove, and a buffer pad is fixedly connected to the side of the support column away from the mounting groove.

[0014] Further, a plurality of fins for heat dissipation are fixedly connected to the inner wall of the weight reduction groove, and gaps for air flow are formed between the top wall and the bottom wall of the weight reduction groove.

[0015] In summary, the utility model has at least one of the following beneficial technical effects:

[0016] 1. The light-weight heat dissipation protective shell for the hydrogen fuel cell provides all-round support for the hydrogen fuel cell through the first positioning assembly and the second positioning assembly, so that the installation of the hydrogen fuel cell is more stable, and the heat conduction plate arranged in the first positioning assembly and the heat dissipation plate arranged in the second positioning assembly can effectively improve the heat dissipation of the hydrogen fuel cell and effectively ensure the use stability of the hydrogen fuel cell.

[0017] 2. The light-weight heat-dissipation protective shell for hydrogen fuel cells, by setting the support part on the support rubber pad of the first positioning assembly and setting the support column and the buffer pad on the second positioning assembly, the pressure on the surface of the hydrogen fuel cell can be greatly reduced when the hydrogen fuel cell shakes and swings, the installation stability of the hydrogen fuel cell is further enhanced while the hydrogen fuel cell is protected. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0019] Figure 1 It is a structure schematic view of the light-weight heat-dissipation protective shell for hydrogen fuel cells of the present application.

[0020] Figure 2 It is an internal structure schematic view of the light-weight heat-dissipation protective shell for hydrogen fuel cells of the present application.

[0021] Figure 3 It is a structure schematic view between the first positioning assembly and the hydrogen fuel cell in the light-weight heat-dissipation protective shell for hydrogen fuel cells of the present application.

[0022] Figure 4 It is an internal structure schematic view of the mounting groove in the light-weight heat-dissipation protective shell for hydrogen fuel cells of the present application.

[0023] Figure 5 It is a top view structure schematic view of the mounting groove in the light-weight heat-dissipation protective shell for hydrogen fuel cells of the present application.

[0024] In the figure, 1 is a shell, 2 is a first positioning assembly, 21 is a heat-conducting plate, 22 is a support rubber pad, 3 is a second positioning assembly, 31 is a heat-dissipation plate, 32 is a fin, 4 is a mounting groove, 5 is a cover plate, 6 is a weight-reducing groove, 7 is a heat-dissipation groove, 8 is a support part, 9 is a spring, 10 is a square groove, 11 is a support column, 12 is a buffer pad, and 13 is a fin. DETAILED DESCRIPTION

[0025] The present application will be further described in detail below with reference to the drawings. EMBODIMENT

[0026] REFERENCE Figure 1 - Figure 5The present invention discloses a lightweight heat dissipation and protection shell for hydrogen fuel cells, including a shell 1, a mounting groove 4 on the top of the shell 1, and a cover plate 5 installed at the opening of the mounting groove 4. Weight reduction grooves 6 are provided on all four outer walls of the shell 1.

[0027] The first positioning component 2 is provided in two sets. The two first positioning components 2 are respectively located at the bottom of the weight reduction groove 6 and the bottom of the cover plate 5. The first positioning component 2 includes a heat-conducting plate 21 and a support pad 22. The support pad 22 is fixedly connected to the bottom of the weight reduction groove 6, and the heat-conducting plate 21 is fixedly connected to the top of the support pad 22. The top of the heat-conducting plate 21 is in contact with the outer wall of the hydrogen fuel cell. Multiple heat dissipation grooves 7 are provided at intervals along the length of the heat-conducting plate 21 on the top surface of the heat-conducting plate 21, so that when the heat-conducting plate 21 is in contact with the hydrogen fuel cell, multiple air passages are formed between the heat-conducting plate 21 and the hydrogen fuel cell.

[0028] The second positioning component 3 is provided in four sets, and the four sets of the second positioning component 3 are respectively set on the four walls of the mounting groove 4 to support the four walls of the hydrogen fuel cell.

[0029] In this embodiment, observation Figure 1 and Figure 4 It can be seen that by providing a mounting groove 4 on the top of the housing 1, and fixing a cover plate 5 to the opening of the mounting groove 4, the protective housing can be used as follows: Figure 2 As shown in the diagram, the hydrogen fuel cell is placed in the mounting slot 4, and the mounting slot 4 is then sealed by the cover plate 5 to protect the hydrogen fuel cell. In order to reduce the weight of the casing 1, weight-reduction grooves 6 are provided on all four walls of the casing 1 to make the casing 1 lighter.

[0030] Further observation was then conducted. Figure 2 It can be observed that a first positioning component 2 is set at the top of the mounting slot 4, combined with... Figure 4 It can be observed that a first positioning component 2 is also provided at the bottom of the mounting slot 4, which allows the hydrogen fuel cell to be clamped and held in place by the first positioning components 2 at the top and bottom when placed in the mounting slot 4. Simultaneously, combined with... Figure 2 and Figure 4 It can also be found that the four walls of the mounting groove 4 are equipped with second positioning components 3, which can provide support for the hydrogen fuel cell from all sides, further improving the limiting effect on the hydrogen fuel cell, thereby preventing the hydrogen fuel cell from shaking and making the use of the hydrogen fuel cell more stable.

[0031] However, since hydrogen fuel cells generate heat during use, the arrangement of the first positioning component 2 and the second positioning component 3 will reduce the heat dissipation area of ​​the hydrogen fuel cell, which will affect the stability of the hydrogen fuel cell.

[0032] Therefore, observe Figure 3It can be found that by arranging the first positioning assembly 2 with the heat-conducting plate 21 and the supporting rubber pad 22, the supporting rubber pad 22 is fixedly connected to the bottom of the weight-reducing groove 6, the top of the supporting rubber pad 22 is fixedly connected with the heat-conducting plate 21, and the top of the heat-conducting plate 21 is attached to the outer wall of the hydrogen fuel cell, so that the heat-conducting plate 21 can be used to conduct heat out, and the heat dissipation effect on the hydrogen fuel cell is improved as much as possible.

[0033] Meanwhile, a plurality of heat dissipation grooves 7 are arranged on the top surface of the heat-conducting plate 21 along the length direction of the heat-conducting plate 21, so that when the heat-conducting plate 21 is attached to the hydrogen fuel cell, a plurality of air passages are formed between the heat-conducting plate 21 and the hydrogen fuel cell, and at this time, the air temperature in the heat dissipation grooves 7 is increased after the heat-conducting plate 21 conducts heat, so that the air in the heat dissipation grooves 7 and the air in the mounting groove 4 have a temperature gradient difference, the air flow in the heat dissipation grooves 7 and the air flow in the mounting groove 4 are accelerated, and the heat dissipation effect is further improved.

[0034] And in Figure 4 and Figure 5 , it can be found that the second positioning assembly 3 comprises the heat-dissipating plate 31 and the heat-dissipating fin 32, the heat-dissipating plate 31 is arranged in the mounting groove 4, and at least two springs 9 are arranged between the heat-dissipating plate 31 and the inner wall of the mounting groove 4 on the side close to the mounting groove 4, so that the heat-dissipating plate 31 is tightly attached to the surface of the hydrogen fuel cell by the support of the springs 9, and the positioning effect of the hydrogen fuel cell is provided.

[0035] Meanwhile, a plurality of heat-dissipating fins 32 are arranged between the adjacent two springs 9, one side of the heat-dissipating fin 32 is fixedly connected with the heat-dissipating plate 31, the other side of the heat-dissipating fin 32 extends out of the shell 1, and a square groove 10 is arranged on the outer wall of the shell 1 and is communicated with the mounting groove 4, so that the heat-dissipating fin 32 is slidably arranged in the square groove 10, the heat of the heat-dissipating plate 31 can be conducted out by the heat-dissipating fin 32, and the heat dissipation effect on the hydrogen fuel cell is further improved.

[0036] In further preferable embodiments of the present application, as shown in Figure 3 , the front and rear sides of the supporting rubber pad 22 are both protruded to form the supporting portions 8, the supporting portions 8 are wrapped around the outer wall of the heat-conducting plate 21, and the top of the supporting portions 8 is in contact with the outer wall of the hydrogen fuel cell.

[0037] In the present embodiment, in order to improve the heat-conducting efficiency, the metal material is preferably used as the manufacturing material of the heat-conducting plate 21, but the metal material used to manufacture the heat-conducting plate 21 will make the surface of the heat-conducting plate 21 too hard, which will cause the surface of the hydrogen fuel cell to be pressed or scratched, and affect the service life of the hydrogen fuel cell, therefore, the supporting rubber pad 22 is connected to the side of the heat-conducting plate 21 far away from the hydrogen fuel cell, and the slight deformation of the supporting rubber pad 22 is used to avoid the heat-conducting plate 21 from excessively pressing the hydrogen fuel cell.

[0038] Although this way weakens the damage of hydrogen fuel cell installation, but inevitably have bumps when the vehicle is running, which will make hydrogen fuel cell in the bumps intensify one side of the pressure, resulting in hydrogen fuel cell surface is pressed, so the observation Figure 3 It can be found that by arranging the support parts 8 on the front and rear sides of the supporting rubber pad 22 and making the top of the support part 8 in contact with the outer wall of the hydrogen fuel cell, the buffering effect on the hydrogen fuel cell can be effectively improved.

[0039] In further preferable embodiments of the present application, as shown in Figure 5 The outer wall of the heat dissipation plate 31 is provided with a circular hole coaxial with the spring 9, and the support column 11 is slidably arranged in the circular hole. One end of the support column 11 is fixedly connected with the inner wall of the mounting groove 4, and the side of the support column 11 away from the mounting groove 4 is fixedly connected with the buffer pad 12.

[0040] In this embodiment, the observation Figure 5 It can be found that by arranging the support parts 8 on the front and rear sides of the supporting rubber pad 22 and making the top of the support part 8 in contact with the outer wall of the hydrogen fuel cell, the buffering effect on the hydrogen fuel cell can be effectively improved.

[0041] In further preferable embodiments of the present application, as shown in Figure 1 The inner wall of the weight reduction groove 6 is fixedly connected with a plurality of fins 13 for heat dissipation, and the top and bottom of the fin 13 are both provided with a gap for air flow between the top wall and the bottom wall of the weight reduction groove 6.

[0042] In this embodiment, by arranging the heat dissipation fins 13 in the weight reduction groove 6, the surface area of the outer wall of the shell 1 can be increased, thereby improving the heat exchange efficiency with air and further enhancing the heat dissipation effect on the hydrogen fuel cell. By arranging the top and bottom of the fin 13 to have a gap between the top wall and the bottom wall of the weight reduction groove 6, a closed groove can be formed between the adjacent two fins 13, which can effectively ensure the flow of air between the plurality of fins 13, thereby ensuring the heat dissipation effect.

[0043] The implementation principle of the above embodiments is as follows: open the cover plate 5, install the hydrogen fuel cell in the mounting groove 4, then cover the cover plate 5, and fix the cover plate 5 and the shell 1 by the fastening member to complete the installation of the hydrogen fuel cell.

[0044] When the vehicle bumps during driving, the hydrogen fuel cell will shake due to the bumping, at this time, the cooperation of the first positioning assembly 2 and the second positioning assembly 3 can provide all-around support for the hydrogen fuel cell, and can effectively guarantee the installation stability of the hydrogen fuel cell.

[0045] Meanwhile, the heat-conducting plate 21 in the first positioning assembly 2 and the heat-dissipating plate 31 in the second positioning assembly 3 can both improve the heat-dissipating effect on the hydrogen fuel cell, and make the use of the hydrogen fuel cell more stable.

[0046] The embodiments of the specific embodiment are the preferred embodiments of the utility model, not limited to the protection scope of the utility model, so: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A lightweight heat-dissipating protective case for a hydrogen fuel cell, characterized by comprising: a case body made of a resin material, a plurality of ribs formed on the case body, and a plurality of heat-dissipating fins formed on the case body. The application relates to a hydrogen fuel cell fixing device, which comprises a shell (1), wherein a mounting groove (4) is formed in the top of the shell (1), a cover plate (5) is arranged at the opening position of the mounting groove (4), and a weight-reducing groove (6) is formed in the outer wall of the shell (1). Two first positioning assemblies (2) are arranged at the bottom of the weight-reducing groove (6) and the bottom of the cover plate (5) respectively, the first positioning assembly (2) comprises a heat-conducting plate (21) and a supporting rubber pad (22), the supporting rubber pad (22) is fixedly connected to the bottom of the weight-reducing groove (6), the top of the supporting rubber pad (22) is fixedly connected with the heat-conducting plate (21), the top surface of the heat-conducting plate (21) is provided with a plurality of heat dissipation grooves (7) along the length direction of the heat-conducting plate (21), and the heat-conducting plate (21) is combined with the hydrogen fuel cell to form a plurality of air channels between the heat-conducting plate (21) and the hydrogen fuel cell. Four second positioning assemblies (3) are arranged at the four walls of the mounting groove (4) and used for supporting the four walls of the hydrogen fuel cell.

2. The light-weight heat-dissipation protective shell for a hydrogen fuel cell according to claim 1, characterized in that, The front and back sides of the supporting rubber pad (22) are provided with supporting portions (8) in a protruding mode, the supporting portions (8) are wrapped around the outer wall of the heat-conducting plate (21), and the top of the supporting portions (8) is in contact with the outer wall of the hydrogen fuel cell.

3. The light-weight, heat-dissipating protective shell for a hydrogen fuel cell of claim 2, wherein The second positioning assembly (3) comprises a heat-dissipating plate (31) and a heat-dissipating fin (32), the heat-dissipating plate (31) is arranged in the mounting groove (4), at least two springs (9) are arranged between the heat-dissipating plate (31) and the inner wall of the mounting groove (4) on the side close to the mounting groove (4), a plurality of heat-dissipating fins (32) are arranged between the adjacent two springs (9), one side of the heat-dissipating fin (32) is fixedly connected with the heat-dissipating plate (31), and the other side of the heat-dissipating fin (32) extends out of the shell (1).

4. The light-weight, heat-dissipating protective shell for a hydrogen fuel cell of claim 3, wherein A square groove (10) is formed in the outer wall of the shell (1) and communicates with the mounting groove (4), and the heat-dissipating fin (32) is slidingly arranged in the square groove (10).

5. The light-weight, heat-dissipating protective shell for a hydrogen fuel cell of claim 4, wherein A circular hole coaxial with the spring (9) is formed in the outer wall of the heat-dissipating plate (31), a supporting column (11) is slidingly arranged in the circular hole, one end of the supporting column (11) is fixedly connected with the inner wall of the mounting groove (4), and a buffer pad (12) is fixedly connected to the side of the supporting column (11) away from the mounting groove (4).

6. The light-weight, heat-dissipating protective shell for a hydrogen fuel cell of claim 5, wherein A plurality of fins (13) for heat dissipation are fixedly connected to the inner wall of the weight-reducing groove (6), and gaps for air flow are reserved between the top and bottom of the fin (13) and the top wall and bottom wall of the weight-reducing groove (6).

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