Light-weight high-strength battery supporting plate

Abstract

The utility model discloses a lightweight high-strength battery support plate, and particularly relates to the technical field of battery support, the lightweight high-strength battery support plate comprises a support plate body and a heat dissipation mechanism, the support plate body comprises an upper layer, a middle layer and a lower layer, the middle layer is arranged between the upper layer and the lower layer, and opposite surfaces of the upper layer and the lower layer are provided with grooves; the middle layer comprises a frame and honeycomb-shaped grating strips, the honeycomb-shaped grating strips are arranged on the inner side of the frame, S-shaped supporting strips are arranged between the honeycomb-shaped grating strips, and carbon nano tube coatings are sprayed on the outer diameter surfaces of the frame, the honeycomb-shaped grating strips and the S-shaped supporting strips. The framework, the honeycomb-shaped grating strips, the S-shaped supporting strips and the carbon nano tube coating in the middle layer play a main supporting role on the battery, and the first cover body and the first protective layer in the upper layer and the second cover body and the second protective layer in the lower layer play an auxiliary reinforcing effect; and meanwhile, the heat dissipation mechanism can be used for effectively dissipating heat of the battery and improving the surface conductivity, so that static accumulation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery support technical field more specifically, the utility model relates to a kind of light weight high-strength battery support plate. BACKGROUND

[0002] New energy battery support plate is a kind of structural component for supporting and fixing new energy battery, commonly used in electric vehicle, energy storage system etc. field, provide stable support and fixation for new energy battery, prevent battery from wobbling or displacement during vehicle driving or energy storage system operation, ensure the safety and stability of battery;

[0003] As application No. CN202321126596.0 discloses a kind of light weight battery box, by its special structure, material is more saved, the light weight of material, take into account the factor of frequent replacement of power battery, with the advantages of high strength, light weight and excellent safety etc.;First, new energy vehicle needs to protect battery, cannot only consider total weight, light weight, safety reason, also need to consider the problem of heat dissipation and corrosion resistance, to ensure the service life of battery support plate and the problem of battery service life;

[0004] Therefore, a kind of light weight high-strength battery support plate is proposed for the above problems. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of light weight high-strength battery support plate to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of light weight high-strength battery support plate, including support plate body and heat dissipation mechanism, the support plate body is composed of upper layer, middle layer and lower layer, the middle layer is arranged between the upper layer and the lower layer, and the opposite surface of the upper layer and the lower layer is provided with recess, the middle layer includes frame and honeycomb grid bar, the inner side of the frame is provided with honeycomb grid bar, and the honeycomb grid bar is provided with several groups, S type support bar is arranged between several groups of honeycomb grid bar, and S type support bar is provided with several groups, and several groups of S type support bar are arranged at equal intervals, the S type support bar is made of titanium alloy material, the outer diameter surface of the frame, honeycomb grid bar and S type support bar is sprayed with carbon nanotube coating, the edge of the upper layer, middle layer and lower layer is provided with connecting bolt hole, the upper layer is composed of first cover body and first protective layer, the lower layer is composed of second cover body and second protective layer, the upper and lower surfaces of the first cover body and the second cover body are both installed with heat dissipation mechanism.

[0007] Preferably, the edge of the first cover is provided with a first protective layer, the edge of the second cover is provided with a second protective layer, the first protective layer is made of basalt fiber, and the first protective layer and the second protective layer are the same structure.

[0008] Preferably, the aperture of the honeycomb grid strip is 2mm, the wall thickness of the honeycomb grid strip is 0.08mm, the height of the S-shaped support strip is 8mm, the width of the S-shaped support strip is 4mm, and the thickness of the carbon nanotube coating is 10μm.

[0009] Preferably, the heat dissipation mechanism is composed of a first heat-conducting copper plate, a heat-conducting copper column and a second heat-conducting copper plate, the first heat-conducting copper plate is embedded on the side of the first cover away from the middle layer, the heat-conducting copper column penetrates through the upper end surface of the first cover, the side of the first cover away from the first heat-conducting copper plate is embedded with the second heat-conducting copper plate, and the first heat-conducting copper plate is limit connected with the second heat-conducting copper plate through the heat-conducting copper column.

[0010] Preferably, the structure of the first cover connected with the heat dissipation mechanism is the same as the structure of the second cover connected with the heat dissipation mechanism, and the structure of the first cover connected with the heat dissipation mechanism is opposite to the structure of the second cover connected with the heat dissipation mechanism.

[0011] Preferably, the bottom end surface of the second cover in the lower layer is provided with a wave-shaped cover, the wave-shaped cover is made of an aluminum plate, the inner cavity of the wave-shaped cover is in a hollow state, and the curved part of the wave-shaped cover is arranged close to the bottom end surface of the second cover.

[0012] Preferably, the height of the honeycomb grid strip and the S-shaped support strip extending out is the same as the height of the groove dug on the opposite surface of the upper layer and the lower layer, and the upper end surface and the bottom end surface of the honeycomb grid strip and the S-shaped support strip are arranged close to the inner side of the groove dug on the opposite surface of the upper layer and the lower layer, respectively.

[0013] Preferably, the contact surface of the upper layer, the middle layer and the lower layer is provided with a sealing ring, and the outer surfaces of the support plate body, the first protective layer, the second protective layer, the first heat-conducting copper plate, the second heat-conducting copper plate and the wave-shaped cover are sprayed with fluorinated silicon dioxide nanoparticles.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] Compared with the prior art, the lightweight high-strength battery support plate plays a main supporting role on the battery through the frame in the middle layer, the honeycomb grid strip, the S-shaped support strip and the carbon nanotube coating, and has an auxiliary reinforcing effect through the first cover and the first protective layer in the upper layer and the second cover and the second protective layer in the lower layer, and can effectively dissipate heat and improve surface conductivity of the battery by using the heat dissipation mechanism, thereby avoiding static accumulation.

[0016] Compared with the prior art, the battery support plate has the effects of light weight and high strength, the frame, the honeycomb grid strip, the S-shaped support strip and the carbon nanotube coating in the middle layer have the effect of high-strength reinforcement, the first cover and the first protective layer in the upper layer and the second cover and the second protective layer in the lower layer further have the effect of high-strength reinforcement, the carbon nanotube coating has the effects of improving surface conductivity, preventing static electricity accumulation and improving interlayer shear strength, thereby ensuring that the battery support plate has the effects of light weight and high strength, the upper layer, the middle layer and the lower layer are connected through the connecting bolt holes, the upper layer and the lower layer limit the middle layer through the grooves, the batteries supported by the support plate body are cooled by the first heat-conducting copper plate, the heat-conducting copper column and the second heat-conducting copper plate in the heat dissipation mechanism, the wave-shaped cover body is conducive to further heat dissipation, and the wave-shaped cover body also has the effects of buffering and auxiliary heat dissipation, and the fluorinated silicon dioxide nanoparticles are installed, which is conducive to reducing dust adhesion and avoiding the decrease of heat dissipation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the support plate body of the utility model.

[0018] Figure 2 It is a three-dimensional structure schematic view of the upper layer of the utility model.

[0019] Figure 3 It is a top view structure schematic view of the middle layer of the utility model.

[0020] Figure 4 It is a partial cross-section side view structure schematic view of the middle layer of the utility model.

[0021] Figure 5 It is a partial cross-section top view structure schematic view of the honeycomb grid strip of the utility model.

[0022] Figure 6 It is a partial cross-section side view structure schematic view of the heat dissipation mechanism of the utility model.

[0023] The signs are: 1, support plate body; 11, upper layer; 111, first cover; 112, first protective layer; 12, middle layer; 121, frame; 122, honeycomb grid strip; 123, S-shaped support strip; 124, carbon nanotube coating; 13, lower layer; 131, second cover; 132, second protective layer; 14, groove; 15, connecting bolt hole; 16, wave-shaped cover body; 2, heat dissipation mechanism; 21, first heat-conducting copper plate; 22, heat-conducting copper column; 23, second heat-conducting copper plate. DETAILED DESCRIPTION

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0025] As attached Figures 1 to 6 The diagram shows a lightweight, high-strength battery support plate, comprising a support plate body 1 and a heat dissipation mechanism 2. The support plate body 1 consists of an upper layer 11, a middle layer 12, and a lower layer 13. The middle layer 12 is disposed between the upper layer 11 and the lower layer 13, and grooves 14 are cut into the opposite surfaces of the upper layer 11 and the lower layer 13. The middle layer 12 includes a frame 121 and honeycomb grid strips 122. The honeycomb grid strips 122 are disposed on the inner side of the frame 121, and several groups of honeycomb grid strips 122 are arranged, with spacing between the groups of honeycomb grid strips 122. S-shaped support bars 123 are provided, and several groups of S-shaped support bars 123 are arranged equidistantly. The S-shaped support bars 123 are made of titanium alloy. The outer diameter surfaces of the frame 121, honeycomb grid bars 122 and S-shaped support bars 123 are coated with carbon nanotube coatings 124. Connecting bolt holes 15 are provided at the edges of the upper layer 11, middle layer 12 and lower layer 13. The upper layer 11 consists of a first cover 111 and a first protective layer 112, and the lower layer 13 consists of a second cover 131 and a second protective layer 112. Composed of 32 components, the first cover 111 and the second cover 131 are equipped with heat dissipation mechanisms 2 on both their upper and lower surfaces. A first protective layer 112 is provided at the edge of the first cover 111, and a second protective layer 132 is provided at the edge of the second cover 131. The first protective layer 112 is made of basalt fiber, and the first and second protective layers 112 have the same structure. The honeycomb grid strips 122 have a pore size of 2mm and a wall thickness of 0.08mm. The S-shaped support strips 123 have a height of 8mm. The support strip 123 has a width of 4mm, the carbon nanotube coating 124 has a thickness of 10μm, and the heat dissipation mechanism 2 consists of a first thermally conductive copper plate 21, a thermally conductive copper pillar 22, and a second thermally conductive copper plate 23. The first thermally conductive copper plate 21 is embedded on the side of the first cover 111 away from the middle layer 12, and the thermally conductive copper pillar 22 penetrates the upper end surface of the first cover 111. The second thermally conductive copper plate 23 is embedded on the side of the first cover 111 away from the first thermally conductive copper plate 21. The first thermally conductive copper plate 21 is limited and connected to the second thermally conductive copper plate 23 through the thermally conductive copper pillar 22.

[0026] The support plate body 1 is composed of an upper layer 11, a middle layer 12 and a lower layer 13, which ensures high strength while reducing the total weight, and the frame 121, the honeycomb grid bars 122, the S-shaped support bars 123 and the carbon nanotube coating 124 in the middle layer 12 ensure the effect of high-strength reinforcement, and the first cover 111 and the first protective layer 112 in the upper layer 11 and the second cover 131 and the second protective layer 132 in the lower layer 13 further play the effect of high-strength reinforcement, and the carbon nanotube coating 124 plays the effect of improving surface conductivity, preventing static electricity accumulation and improving interlaminar shear strength, ensuring that the battery support plate has the effects of lightweight and high strength.

[0027] Meanwhile, the upper layer 11, the middle layer 12 and the lower layer 13 are connected through the connecting bolt holes 15, and the upper layer 11 and the lower layer 13 limit the middle layer 12 through the grooves 14, and the batteries supported by the support plate body 1 are cooled through the first heat-conducting copper plate 21, the heat-conducting copper column 22 and the second heat-conducting copper plate 23 in the heat dissipation mechanism 2, and the wave-shaped cover 16 is conducive to further heat dissipation, and the wave-shaped cover 16 also has the effects of buffering and auxiliary heat dissipation, and the installation of fluorinated silicon dioxide nanoparticles is conducive to reducing dust adhesion and avoiding the resulting decrease in heat dissipation efficiency. The structure of the first cover 111 connected with the heat dissipation mechanism 2 is the same as the structure of the second cover 131 connected with the heat dissipation mechanism 2, and the structure of the first cover 111 connected with the heat dissipation mechanism 2 is opposite to the structure of the second cover 131 connected with the heat dissipation mechanism 2. The bottom end face of the second cover 131 in the lower layer 13 is provided with a wave-shaped cover 16 made of an aluminum plate. The inner cavity of the wave-shaped cover 16 is in a hollow state, and the curved part of the wave-shaped cover 16 is arranged in close contact with the bottom end face of the second cover 131. The height of the honeycomb grid bars 122 and the S-shaped support bars 123 extending out is the same as the height of the grooves 14 excavated on the opposite faces of the upper layer 11 and the lower layer 13. The upper end face and the bottom end face of the honeycomb grid bars 122 and the S-shaped support bars 123 are arranged in close contact with the inner side of the grooves 14 excavated on the opposite faces of the upper layer 11 and the lower layer 13, respectively. The contact surfaces of the upper layer 11, the middle layer 12 and the lower layer 13 are provided with sealing rings. The outer surfaces of the support plate body 1, the first protective layer 112, the second protective layer 132, the first heat-conducting copper plate 21, the second heat-conducting copper plate 23 and the wave-shaped cover 16 are sprayed with fluorinated silicon dioxide nanoparticles.

[0028] The utility model discloses a working process as follows: first support plate body 1 is by upper layer 11, middle layer 12 and lower layer 13 are composed, guarantee high strength while lightening total weight, through the frame 121 in middle layer 12, honeycomb lattice strip 122, S type support strip 123 and carbon nanotube coating 124 play high strength reinforcing effect, and first cover 111 and first protective layer 112 in upper layer 11 and second cover 131 and second protective layer 132 in lower layer 13 further guarantee high strength reinforcing, utilize carbon nanotube coating 124 play the improvement surface conductivity, prevent static electricity accumulation, improve interlaminar shear strength, the upper layer 11, middle layer 12 and lower layer 13 utilize connecting bolt hole 15 between and connect, and upper layer 11 and lower layer 13 utilize recess 14 to the middle layer 12 and carry out the location, through the first heat conduction copper plate 21 in heat dissipation mechanism 2, heat conduction copper column 22 and second heat conduction copper plate 23 to the battery of support plate body 1 support and carry out heat dissipation, through the wave-shaped cover body 16 is favorable to further heat dissipation.

Claims

1. A lightweight, high-strength battery support plate, comprising a support plate body (1) and a heat dissipation mechanism (2), characterized in that: The support plate body (1) is composed of an upper layer (11), a middle layer (12) and a lower layer (13). The middle layer (12) is provided between the upper layer (11) and the lower layer (13), and grooves (14) are dug on the opposite surfaces of the upper layer (11) and the lower layer (13). The middle layer (12) includes a frame (121) and honeycomb grid strips (122). The honeycomb grid strips (122) are provided on the inner side of the frame (121), and there are several groups of honeycomb grid strips (122). S-shaped support strips (123) are provided between the several groups of honeycomb grid strips (122), and there are several groups of S-shaped support strips (123). The strips (123) are arranged at equal intervals. The S-shaped support strips (123) are made of titanium alloy. The outer diameter surfaces of the frame (121), honeycomb grid strips (122) and S-shaped support strips (123) are coated with carbon nanotube coatings (124). The upper layer (11), middle layer (12) and lower layer (13) are provided with connecting bolt holes (15). The upper layer (11) is composed of a first cover (111) and a first protective layer (112). The lower layer (13) is composed of a second cover (131) and a second protective layer (132). The first cover (111) and the second cover (131) are equipped with heat dissipation mechanisms (2) on both the upper and lower surfaces.

2. The lightweight, high-strength battery support plate according to claim 1, characterized in that: A first protective layer (112) is provided at the edge of the first cover (111), and a second protective layer (132) is provided at the edge of the second cover (131). The first protective layer (112) is made of basalt fiber, and the first protective layer (112) and the second protective layer (132) have the same structure.

3. The lightweight, high-strength battery support plate according to claim 1, characterized in that: The honeycomb grid strip (122) has a pore size of 2 mm, a wall thickness of 0.08 mm, a height of 8 mm, a width of 4 mm, and a carbon nanotube coating (124) thickness of 10 μm.

4. The lightweight, high-strength battery support plate according to claim 1, characterized in that: The heat dissipation mechanism (2) consists of a first heat-conducting copper plate (21), a heat-conducting copper pillar (22), and a second heat-conducting copper plate (23). The first heat-conducting copper plate (21) is embedded on the side of the first cover (111) away from the middle layer (12), and the heat-conducting copper pillar (22) penetrates the upper end surface of the first cover (111). The second heat-conducting copper plate (23) is embedded on the side of the first cover (111) away from the first heat-conducting copper plate (21). The first heat-conducting copper plate (21) is connected to the second heat-conducting copper plate (23) by the heat-conducting copper pillar (22).

5. A lightweight, high-strength battery support plate according to claim 4, characterized in that: The structure in which the first cover (111) is connected to the heat dissipation mechanism (2) is the same as the structure in which the second cover (131) is connected to the heat dissipation mechanism (2), and the structure in which the first cover (111) is connected to the heat dissipation mechanism (2) is arranged opposite to the structure in which the second cover (131) is connected to the heat dissipation mechanism (2).

6. The lightweight, high-strength battery support plate according to claim 1, characterized in that: The bottom end face of the second cover (131) in the lower layer (13) is provided with a wave-shaped cover (16). The wave-shaped cover (16) is made of aluminum plate. The inner cavity of the wave-shaped cover (16) is hollow, and the curved part of the wave-shaped cover (16) is arranged close to the bottom end face of the second cover (131).

7. A lightweight, high-strength battery support plate according to claim 1, characterized in that: The height of the honeycomb grid strip (122) and S-shaped support strip (123) is the same as the height of the groove (14) dug on the opposite side of the upper layer (11) and the lower layer (13). The upper and lower surfaces of the honeycomb grid strip (122) and S-shaped support strip (123) are respectively arranged in close contact with the inner side of the groove (14) dug on the opposite side of the upper layer (11) and the lower layer (13).

8. A lightweight, high-strength battery support plate according to claim 4, characterized in that: The contact surfaces of the upper layer (11), middle layer (12) and lower layer (13) are provided with sealing rings, and the outer surfaces of the support plate body (1), the first protective layer (112), the second protective layer (132), the first heat-conducting copper plate (21), the second heat-conducting copper plate (23) and the wave-shaped cover (16) are sprayed with fluorinated silicon dioxide nanoparticles.

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