Battery pack supporting structure, battery cluster and electric equipment

Abstract

The utility model relates to a battery pack supporting structure, a battery cluster and electric equipment, and relates to the technical field of battery clusters. The battery pack supporting structure is used for supporting at least two stacked battery packs and comprises first supporting parts and second supporting parts, the first supporting parts are fixedly arranged on the side portions of the battery packs, and the multiple first supporting parts are sequentially arranged in the stacking direction of the battery packs. The second supporting part is arranged on the side part of the battery pack, the second supporting part is positioned between two adjacent first supporting parts along the stacking direction of the battery pack, and the two adjacent first supporting parts are indirectly propped and supported through the second supporting part. The battery pack supporting structure provided by the utility model can solve the problem of material and cost waste caused by strength redundancy of the upper battery pack when the battery packs are stacked to form a battery cluster in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery cluster, in particular, to a battery pack support structure, a battery cluster and an electric equipment. BACKGROUND

[0002] When assembling and connecting the battery cluster, one assembly method is to stack and connect multiple battery packs in sequence to form a battery cluster.

[0003] In the prior art, during the specific assembly process of the above-mentioned battery cluster, since multiple battery packs are directly stacked in sequence, the weight of the upper battery pack will directly act on the lower battery pack, resulting in an increase in the pressure that the battery pack needs to bear from top to bottom. Based on this, when the battery pack structure is specifically designed, the box and other structures of the battery pack usually need to be strengthened, usually by increasing the thickness and the like.

[0004] However, since the same batch of battery packs usually adopts the same processing template during the production process, the above-mentioned battery cluster structure has strength redundancy in the stacking process, which not only affects the overall energy density of the battery cluster, but also causes material and cost waste. CONTENT OF THE UTILITY MODEL

[0005] The purpose of the present application is to provide a battery pack support structure, a battery cluster and an electric equipment, which can solve the problem of material and cost waste caused by the strength redundancy of the upper battery pack when the battery cluster is formed by stacking the battery packs in the prior art.

[0006] In order to achieve the above-mentioned purpose, the first aspect of the present application provides a battery pack support structure for supporting at least two stacked battery packs, which comprises a first support part and a second support part. The first support part is fixedly arranged on the side of the battery pack, and multiple first support parts are arranged in sequence along the stacking direction of the battery pack. The second support part is arranged on the side of the battery pack, and the second support part is located between two adjacent first support parts along the stacking direction of the battery pack. The two adjacent first support parts are indirectly abutted and supported by the second support part.

[0007] Based on the above embodiments of the application, during the assembly of the battery cluster, the first support part is correspondingly arranged at the side of the battery pack, and the second support part is arranged between the two adjacent first support parts. When the battery packs are sequentially stacked to form the battery cluster structure, the first support part is correspondingly abutted for supporting the load, and at this time the second support part is used for force conduction between the two adjacent first support parts, thereby realizing the effect of transmitting the weight of the battery pack downward through the battery pack support structure. In specific use, the first support part is fixedly arranged on the side wall of the battery pack, so as to transmit the weight of the battery pack to the first support part, and when the plurality of first support parts cooperate with the second support part to sequentially abut and support, the weight of the battery pack can be sequentially transmitted downward, at this time the weight of the upper battery pack directly acting on the lower battery pack can be reduced or even completely eliminated, so that the box body and other structures of the battery pack itself do not need to be strengthened, at this time all the sequentially stacked battery packs can realize lightweight design, thereby avoiding strength redundancy and reducing the cost of the battery pack and the battery cluster as a whole. Further, through the arrangement of the second support part, the battery pack support structure can be more easily adjusted to adapt to battery packs of different sizes. Compared with the box body structure of the battery pack, the first support part and the second support part are smaller in volume and material usage, so even if there is strength redundancy in the first support part above, the strength redundancy is smaller than that caused by the strengthening of the box body structure in the prior art. At the same time, compared with the box body structure of the battery pack, the first support part and the second support part can be made of steel and other materials with higher strength and lower cost, thereby further reducing the cost of the battery cluster as a whole.

[0008] In some embodiments, the second support part is arranged as a support strip, the support strip is arranged in a direction perpendicular to the stacking direction of the battery pack, and at least one end of the first support part is in abutment with the support strip.

[0009] Based on the above embodiments of the application, by arranging the second support part as a support strip, the first support part can be more easily aligned with the second support part when abutting and supporting, thereby improving the support effect.

[0010] In some embodiments, the support strip includes a first support plate and a second support plate, the first support plate and the second support plate are arranged opposite to each other along the stacking direction of the battery pack, and the mutually distant wall surfaces of the first support plate and the second support plate are respectively in abutment with the end of the first support part. A cavity structure is formed between the first support plate and the second support plate, and a reinforcing column is arranged in the cavity structure, and the two ends of the reinforcing column are respectively in abutment with the first support plate and the second support plate.

[0011] Based on the above-mentioned embodiments of the present application, through the above-mentioned arrangement, the arrangement of the reinforcing column can directly realize the transmission of pressure between the two adjacent first support parts, and ensure the support strength between the two adjacent first support parts. Through the arrangement of the first support plate and the second support plate, on the one hand, the arrangement of the plate-shaped structure can increase the contact area between the support strip and the first support part, thereby reducing the local stress. On the other hand, when a plurality of reinforcing columns are arranged on the same side of the battery pack, the first support plate and the second support plate can connect the plurality of reinforcing columns to some extent, so that the plurality of reinforcing columns are connected to each other, thereby improving the overall strength of the support strip and making the support structure more stable.

[0012] In some embodiments, the reinforcing column is located between two adjacent first support parts along the stacking direction of the battery pack.

[0013] Based on the above-mentioned embodiments of the present application, by arranging the reinforcing column between the two adjacent first support parts, at this time, the first support plate and the second support plate only have the effect of a gasket between the reinforcing column and the first support part, which can to some extent avoid the deformation of the first support plate and the second support plate under pressure affecting the support effect.

[0014] In some embodiments, the first support part is arranged as a support column, and the support column is axially consistent with the stacking direction of the battery pack, and at least one end of the support column abuts against the support strip.

[0015] Based on the above-mentioned embodiments of the present application, by arranging the first support part as a support column, a plurality of first support parts are sequentially abutted against the support strip along the axial direction during the assembly of the battery cluster, thereby transmitting the gravity of the battery pack itself. By arranging the support column axially consistent with the stacking direction of the battery pack, the direction of the gravity of the battery pack is consistent with the axial direction of the support column, thereby improving the support effect of the support column.

[0016] In some embodiments, the support column includes a column body, the column body is in contact with the side wall of the battery pack, and a fixing cavity is arranged on the side of the column body away from the battery pack. A reinforcing rib is arranged in the fixing cavity, and the arrangement direction of the reinforcing rib is consistent with the stacking direction of the battery pack.

[0017] Based on the above-mentioned embodiments of the present application, by arranging the support column in contact with the side wall of the battery pack, the contact area between the two can be increased, thereby reducing the stress of the unit area on the side wall of the battery pack, and further reducing the strength requirement of the side wall of the battery pack. At the same time, by arranging the fixing cavity on the column body, the weight of the support column can be reduced, the material usage can be reduced, and the cost can be reduced. The arrangement of the reinforcing rib in the fixing cavity can ensure that the support column has sufficient strength along the stacking direction.

[0018] In some embodiments, a first fixing hole is formed on the bottom surface of the fixing cavity, a second fixing hole is formed on the top surface of the fixing cavity, and a third fixing hole is formed on the support strip and sequentially penetrates the first support plate, the reinforcing column and the second support plate. A connecting bolt is arranged between two adjacent support columns in the stacking direction of the battery pack, and the connecting bolt sequentially penetrates the first fixing hole on the upper support column, the third fixing hole and the second fixing hole on the lower support column.

[0019] Based on the above-mentioned embodiments of the present application, the two adjacent support columns and the intermediate support strip are connected and fixed by the connecting bolt. During the connection, the connecting bolt sequentially penetrates the partial structure of the upper support column, the support strip and the partial structure of the lower support column. Therefore, compared with the connection mode such as welding, the connection strength is higher and the displacement of the connection position of the two adjacent support columns can be avoided to a certain extent, so that the abutting support between the two is more stable.

[0020] According to the second aspect of the present application, a battery cluster is provided, which comprises at least two battery packs and the above-mentioned battery pack support structure, and the battery pack support structure is arranged on the side of the battery pack.

[0021] Based on the above-mentioned embodiments of the present application, the battery cluster provided by the present application comprises the above-mentioned battery pack support structure. After the assembly of the battery cluster is completed, the weight of the battery pack can be shared by the first support part and the second support part arranged on the side of the battery pack, so as to reduce or even avoid the weight of the upper battery pack directly acting on the lower battery pack. In addition, the volume and material of the first support part and the second support part are smaller than those of the box structure of the battery pack, so as to reduce the strength redundancy and save the material and cost.

[0022] In some embodiments, the support column is fixedly connected with the side wall of the battery pack by any one of the following modes: bolt connection, riveting and gluing.

[0023] Based on the above-mentioned embodiments of the present application, the support column is connected with the side wall of the battery pack by any one of the above-mentioned modes. Since the pressure of the battery pack received from the upper battery pack is reduced or even completely eliminated, the force required to be transmitted at the connection position of the battery pack and the support column is small, so that the damage of the side wall of the battery pack caused by excessive force can be avoided to a certain extent.

[0024] According to the third aspect of the present application, a power-consuming device is provided, which comprises a device main body and the above-mentioned battery cluster. A power supply cavity is formed in the device main body, and the battery cluster is arranged in the power supply cavity.

[0025] In some embodiments, the power-consuming device provided by the present application comprises the above-mentioned battery cluster, so as to have the above-mentioned beneficial effects. In order to avoid repetition, the above-mentioned beneficial effects will not be described here.

[0026] Other features and advantages of the present application will be described in the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0027] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the principles of the present application, but are not intended to limit the present application. In the drawings:

[0028] Figure 1 is a structural schematic diagram of a battery cluster provided by an embodiment of the present application.

[0029] Figure 2 is a structural schematic diagram of a first support part provided by an embodiment of the present application.

[0030] Figure 3 is a structural schematic diagram of a second support part provided by an embodiment of the present application.

[0031] Figure 4 is Figure 1 is an enlarged schematic diagram of area A in FIG. 6.

[0032] Figure 5 is Figure 1 is an enlarged schematic diagram of area B in FIG. 6.

[0033] Figure 6 is Figure 3 is an enlarged schematic diagram of area C in FIG. 6.

[0034] BRIEF DESCRIPTION OF DRAWINGS

[0035] 1, first support part; 11, support column; 12, fixing cavity; 13, reinforcing rib; 14, first fixing hole; 15, second fixing hole; 2, second support part; 21, support strip; 22, first support plate; 23, second support plate; 24, reinforcing column; 25, third fixing hole; 3, battery pack; 31, flange structure. DETAILED DESCRIPTION

[0036] In order to make the objects, technical solutions and advantages of the present application clearer, the following will further describe the present application in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0037] In order to make the objects, technical solutions and advantages of the present application clearer, the following will further describe the present application in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0038] Therefore, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the application claimed, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the application.

[0039] It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0040] In the description of the application, it should be noted that, unless otherwise stated, the orientation or positional relationship indicated by the terms "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0041] In the description of the application, it should also be noted that, unless otherwise specified and limited, the terms "set", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0042] In the prior art, when a plurality of battery modules are arranged in a stacked manner during the specific assembly process of the battery cluster, the weight of the upper battery module will directly act on the lower battery module, and the weight of the plurality of battery modules is sequentially superimposed, resulting in an increase in the pressure that each battery module needs to bear from top to bottom. Based on this, when the battery module structure is specifically designed, the box and other structures of the battery module usually need to be strengthened, usually by increasing the thickness of the box and other means.

[0043] However, in the process of battery module specific processing and assembly, in order to avoid repeated design and realize large-scale production to reduce production cost, the same batch of battery modules will be processed by using the same processing template. At this time, it is necessary to ensure that the box structure of the battery module can meet the strength requirement when the battery module is stacked and placed at the bottom, so the box of all battery modules needs to be strengthened to meet the strength requirement. When the above battery modules are stacked and assembled, the upper battery modules all have strength redundancy, and the strength redundancy increases as it goes up. Not only affects the overall energy density of the battery cluster, but also causes material and cost waste.

[0044] In order to solve the above problems in the prior art, according to the first aspect of the present application, the embodiments of the present application provide a battery pack support structure for supporting at least two stacked battery packs 3. Referring to Figure 1 The battery pack support structure includes a first support part 1 and a second support part 2. The first support part 1 is fixedly arranged on the side of the battery pack 3, and a plurality of first support parts 1 are arranged in sequence along the stacking direction of the battery pack 3. The second support part 2 is arranged on the side of the battery pack 3, and the second support part 2 is located between two adjacent first support parts 1 along the stacking direction of the battery pack 3, and the two adjacent first support parts 1 are indirectly supported by the second support part 2.

[0045] Based on the above embodiments of the present application, in the process of assembling the battery cluster, in one arrangement, the first support part 1 is arranged corresponding to the side of the battery pack 3, and the second support part 2 is arranged between the two adjacent first support parts 1. When the battery packs 3 are stacked in sequence to form a battery cluster structure, the first support part 1 corresponds to abut for supporting the load in sequence, and at this time the second support part 2 is used for force conduction between the two adjacent first support parts 1, thereby realizing the effect of transmitting the weight of the battery pack 3 downward through the battery pack support structure. In specific use, the first support part 1 is fixedly arranged on the side wall of the battery pack 3, so as to transmit the weight of the battery pack 3 to the first support part 1, and when the plurality of first support parts 1 cooperate with the second support part 2 to abut and support in sequence, the weight of the battery pack 3 can be transmitted downward in sequence, at this time the weight of the upper battery pack 3 acting directly on the lower battery pack 3 can be reduced or even completely eliminated, so it is not necessary to strengthen the box structure of the battery pack 3 itself, at this time all the battery packs 3 stacked in sequence can realize lightweight design, thereby avoiding strength redundancy and reducing the cost of the battery pack 3 and the overall battery cluster.

[0046] Further, through the arrangement of the second support part 2, the battery pack support structure can be more easily adjusted to adapt to battery packs 3 of different sizes. The first support part 1 and the second support part 2 are both smaller than the box structure of the battery pack 3 in terms of volume and material usage, so even if the first support part 1 above has strength redundancy, it is still smaller than the strength redundancy caused by reinforcing the box structure in the prior art. At the same time, compared with the box structure of the battery pack 3, the first support part 1 and the second support part 2 can be made of steel or other materials with higher strength and lower cost, thereby further reducing the cost of the entire battery cluster formed by assembly.

[0047] Specifically, when the battery cluster is assembled, the first support part 1 and the second support part 2 located on the side of the battery pack 3 abut in sequence when the battery pack support structure includes both the first support part 1 and the second support part 2. Through the connection of the first support part 1 and the side wall of the battery pack 3, the weight of the battery pack 3 itself can be transmitted to the corresponding first support part 1 on the side. At the same time, through the cooperation of the first support part 1 and the second support part 2, the corresponding battery pack 3 can be lifted, so that there is a certain gap between the two adjacent battery packs 3. At this time, the two battery packs 3 do not directly contact each other, so the weight of the upper battery pack 3 cannot directly act on the lower battery pack 3, but is transmitted to the first support part 1 through the connection with the first support part 1, and then is transmitted downward through the abutment of the first support part 1 and the second support part 2 in sequence. Thus, the pressure on the battery pack 3 itself is reduced, the strength requirement of the box structure of the battery pack 3 is reduced, the lightweight design of the box structure of the battery pack 3 is realized, and the strength redundancy and the resulting cost waste are reduced.

[0048] Alternatively, in some other embodiments of the present application, a flexible structure such as foam can also be arranged at the gap position between the two adjacent battery packs 3. At this time, the flexible structure such as foam arranged between the two adjacent battery packs 3 has a certain supporting and buffering effect. Although the weight of the upper battery pack 3 is transmitted to the lower battery pack 3 through the foam part, compared with the direct stacking of the battery packs 3, the pressure on the lower battery pack 3 is still reduced, and most of the gravity of the upper battery pack 3 is still shared by the first support part 1 and the second support part 2 arranged on the side.

[0049] Furthermore, in the prior art, the battery pack 3's casing and other structures typically require the use of materials such as aluminum alloy, titanium alloy, or carbon fiber during manufacturing to achieve lightweight, high strength, and corrosion resistance. This results in high production costs for the battery pack 3's casing and other structures. Strengthening the casing and other structures of the battery pack 3 further increases material usage, thus increasing costs even more. In contrast, the first support portion 1 and the second support portion 2 located on the side of the battery pack 3 are only used to support and share the weight of the battery pack 3. Therefore, the first support portion 1 and the second support portion 2 only need to meet high strength requirements during manufacturing. In specific manufacturing processes, materials such as steel, which have higher strength and lower cost, can be selected, thereby further reducing costs.

[0050] Furthermore, it should be noted that the "indirect contact support" mentioned above in this application refers to the second support 2 being disposed between two adjacent first support 1s, with the upper first support 1 transmitting the pressure of the battery pack 3 it bears to the lower first support 1 through the second support 2. In this process, the second support 2, disposed between two adjacent first support 1s, only serves the function of force transmission. Therefore, any suitable connection method can be selected between the first support 1 and the second support 2, specifically based on factors such as the structure of the first support 1 and the second support 2 and the required support strength. This application does not impose any specific limitations in this regard.

[0051] In this application, the first support part 1 can be configured with any suitable structure.

[0052] refer to Figure 2 As shown in the exemplary embodiment provided in this application, the first support 1 can be configured as a support column 11, and the axial direction of the support column 11 is consistent with the stacking direction of the battery pack 3.

[0053] Based on the above embodiments of this application, by setting the first support part 1 as a support column 11, during battery pack assembly, multiple first support parts 1, in cooperation with the second support part 2, sequentially abut against and support the battery pack 3 along the axial direction to transfer the weight of the battery pack 3 itself. Furthermore, by setting the axial direction of the support column 11 to be consistent with the stacking direction of the battery pack 3, the direction of gravity of the battery pack 3 is aligned with the axial direction of the support column 11, thereby improving the support effect of the support column 11.

[0054] Specifically, the support column 11 can be configured as a rectangular prism structure with a rectangular horizontal cross-section. In this case, the side wall of the support column 11 contacts and is fixed to the side wall of the battery pack 3. Since the battery pack 3 is subjected to less pressure from the upper battery pack 3, or even no pressure from the upper battery pack 3, the connection between the battery pack 3 and the support column 11 needs to withstand less force. Therefore, it is usually not necessary to reinforce the side wall of the battery pack 3 to meet the strength requirements.

[0055] Further, in some embodiments of the present application, the support column 11 can include a column body in contact with the side wall of the battery pack 3, and a fixing cavity 12 is formed on the side of the column body away from the battery pack 3. A reinforcing rib 13 is arranged in the fixing cavity 12, and the reinforcing rib 13 is arranged in the same direction as the stacking direction of the battery pack 3.

[0056] Based on the above-mentioned embodiments of the present application, by contacting the support column 11 with the side wall of the battery pack 3, the contact area between the two can be increased, thereby reducing the stress per unit area on the side wall of the battery pack 3, and further reducing the strength requirement of the side wall of the battery pack 3. At the same time, by forming the fixing cavity 12 on the column body, the weight of the support column 11 can be reduced, the amount of material used can be reduced, and the cost can be reduced. The arrangement of the reinforcing rib 13 in the fixing cavity 12 can ensure that the support column 11 has sufficient strength in the stacking direction.

[0057] Specifically, when the support column 11 is arranged, a rectangular cavity structure can be formed on the side wall of the support column 11 away from the battery pack 3 to form the fixing cavity 12. The size of the fixing cavity 12 can be set according to the size and strength requirements of the support column 11, and the present application does not make specific limitations. Meanwhile, the reinforcing rib 13 can be arranged in multiple groups, and the multiple reinforcing ribs 13 are arranged in parallel in the fixing cavity 12 along the stacking direction of the battery pack 3. The reinforcing rib 13 can form a triangular support structure between the top wall and the side wall of the fixing cavity 12, and between the bottom wall and the side wall, so that the overall axial strength of the support column 11 is higher and more stable.

[0058] In addition, in the present application, multiple support columns 11 can be arranged on the side of a single battery pack 3 for support. The multiple support columns 11 are arranged equidistantly and in parallel on the side of the battery pack 3, and the support columns 11 are arranged on both sides of the battery pack 3. By arranging multiple support columns 11, not only can the support strength be improved, but also the first support part 1 can share the support of the gravity of the battery pack 3 more evenly, thereby making the battery pack 3 more stable when stacked.

[0059] In the present application, the second support part 2 can be arranged in any suitable structure.

[0060] Reference Figures 3 to 6 As shown in FIG. 1, in an exemplary embodiment provided by the present application, the second support part 2 can be arranged as a support strip 21, and the support strip 21 is arranged perpendicular to the stacking direction of the battery pack 3. At least one end of the support column 11 abuts against the support strip 21.

[0061] Based on the above-mentioned embodiments of the present application, by arranging the second support part 2 as a support strip 21, the first support part 1 can be more easily aligned with the second support part 2 when abutting against each other, thereby improving the support effect.

[0062] Specifically, when the plurality of support columns 11 are arranged on the side of the single battery pack 3, the second support part 2 is arranged as the support strip 21, and the support strip 21 is arranged in a direction perpendicular to the stacking direction of the battery pack 3. Therefore, when the plurality of battery packs 3 are arranged in a stacked manner, the support strip 21 can simultaneously abut against the ends of the plurality of support columns 11 on the same side of the battery pack 3 to complete the support. When the ends of the support strip 21 and the support columns 11 are fixed by bolting or welding, the support strip 21 can also connect the plurality of support columns 11 on the same side of the battery pack 3 to a certain extent, thereby enhancing the cooperation between the plurality of support columns 11 on the same side of the battery pack 3 and further enhancing the stability of the support.

[0063] Further, in some embodiments of the present application, the support strip 21 can include a first support plate 22 and a second support plate 23. The first support plate 22 and the second support plate 23 are arranged opposite to each other along the stacking direction of the battery pack 3. The mutually distal wall surfaces of the first support plate 22 and the second support plate 23 abut against the ends of the support columns 11, respectively. A cavity structure is formed between the first support plate 22 and the second support plate 23. A reinforcing column 24 is arranged in the cavity structure. The ends of the reinforcing column 24 abut against the first support plate 22 and the second support plate 23, respectively.

[0064] Based on the above-mentioned embodiments of the present application, the arrangement of the reinforcing column 24 can achieve the transmission of pressure between the two adjacent support columns 11, thereby ensuring the support strength between the two adjacent support columns 11. Through the arrangement of the first support plate 22 and the second support plate 23, on the one hand, the plate-shaped structure can increase the contact area between the support strip 21 and the support columns 11, thereby reducing the local stress. On the other hand, when a plurality of reinforcing columns 24 are arranged on the same side of the battery pack 3, the first support plate 22 and the second support plate 23 can connect the plurality of reinforcing columns 24 to a certain extent, so that the plurality of reinforcing columns 24 are connected to each other, thereby improving the overall strength of the support strip 21 and making the support structure more stable.

[0065] Specifically, the first support plate 22 and the second support plate 23 can be connected by a connecting plate during arrangement. The connecting plate cooperates with the first support plate 22 and the second support plate 23 at both ends to form a U-shaped structure, thereby enclosing the cavity structure. During the specific production and processing process, the first support plate 22, the connecting plate, and the second support plate 23 can be integrally processed and formed. At this time, they can be integrally formed by methods such as sheet metal bending. Subsequently, the reinforcing column 24 is fixed in the cavity structure by welding or the like. The ends of the reinforcing column 24 can be welded and fixed to the first support plate 22 and the second support plate 23, respectively.

[0066] Further, the reinforcing column 24 can be arranged in any suitable structure. In some embodiments of the present application, the reinforcing column 24 can be arranged as a solid column structure or a hollow tube structure, and the axial direction of the reinforcing column 24 is consistent with the stacking direction of the battery pack 3. Alternatively, in some other embodiments of the present application, the reinforcing column 24 can be combined by a plurality of support ribs arranged between the first support plate 22 and the second support plate 23, and the plurality of support ribs can be connected and fixed by welding or the like to further enhance the support strength.

[0067] Meanwhile, in some embodiments of the present application, the reinforcing column 24 can be located between two adjacent support columns 11 in the stacking direction of the battery pack 3.

[0068] Based on the above embodiments of the present application, by arranging the reinforcing column 24 between two adjacent support columns 11, at this time the first support plate 22 and the second support plate 23 only play a role similar to a gasket between the reinforcing column 24 and the support column 11, which can to some extent avoid the first support plate 22 and the second support plate 23 from being affected by the support effect due to the compression deformation.

[0069] Specifically, in the present application, when the first support plate 22 and the second support plate 23 have high strength, or the weight of the battery pack 3 is low, at this time the first support plate 22 and the second support plate 23 can withstand the pressure brought by the support column 11, so the reinforcing column 24 arranged between the first support plate 22 and the second support plate 23 can only play a role of supporting the first support plate 22 and the second support plate 23, at this time the reinforcing column 24 can not be aligned with the support column 11. When the first support plate 22 and the second support plate 23 have low strength or the weight of the battery pack 3 is large, the first support plate 22 and the second support plate 23 cannot support the support column 11, and are prone to deformation when subjected to the pressure of the support column 11. At this time, a plurality of reinforcing columns 24 can be arranged, and the reinforcing columns 24 are arranged in alignment with the support columns 11, and in this process, the first support plate 22 and the second support plate 23 located between the support column 11 and the reinforcing column 24 only play a role similar to a gasket, thereby avoiding the first support plate 22 and the second support plate 23 from being affected by the support effect due to the compression deformation, and further improving the support strength.

[0070] In the present application, the first support part 1 and the second support part 2 can be connected by any suitable means.

[0071] Reference Figures 2 to 6As shown in the above embodiments, in an example embodiment provided in the present application, a first fixing hole 14 can be formed on the bottom surface of the fixing cavity 12, a second fixing hole 15 can be formed on the top surface of the fixing cavity 12, and a third fixing hole 25 can be formed on the support strip 21, the third fixing hole 25 sequentially penetrating the first support plate 22, the reinforcing column 24 and the second support plate 23. A connecting bolt is arranged between two adjacent support columns 11 in the stacking direction of the battery pack 3, and the connecting bolt sequentially penetrates the first fixing hole 14 on the upper support column 11, the third fixing hole 25 and the second fixing hole 15 on the lower support column 11.

[0072] Based on the above embodiments of the present application, the two adjacent support columns 11 and the intermediate support strip 21 are connected and fixed by the connecting bolt. When specifically connected, the connecting bolt sequentially penetrates the partial structure of the upper support column 11, the support strip 21 and the partial structure of the lower support column 11, so that the connection strength is higher at this time compared with the welding connection mode, and the connection position of the two adjacent support columns 11 can be avoided from being deviated to a certain extent, so that the abutting support between the two is more stable.

[0073] Specifically, when the first support part 1 and the second support part 2 are arranged on the side of the battery pack 3, the first support part 1 and the second support part 2 are abutted and supported in cooperation. At this time, the support column 11 mainly bears the pressure in the axial direction, and the support strip 21 bears the pressure from the upper and lower two support columns 11, and the stress direction is consistent with the axial direction of the support column 11. When fixed by the connecting bolt, not only the connection strength can be improved by the penetration connection of the connecting bolt, the support column 11 and the support strip 21, but also the bolt connection itself has good resistance effect to the pressure in the axial direction, so as to ensure the connection strength. Further, the end portions of the two adjacent support columns 11 and the support strip 21 are connected and fixed by the connecting bolt, and compared with the welding connection mode, the bolt connection has better resistance effect to the shear force and displacement deformation, so as to avoid the dislocation between the two adjacent support columns 11 caused by the movement of the battery pack 3 and other factors, and further affect the supporting effect of the support column 11.

[0074] On the basis of the above technical solutions, according to the second aspect of the present application, a battery cluster is provided, which comprises at least two battery packs 3 and the above-mentioned battery pack support structure, and the battery pack support structure is arranged on the side of the battery pack 3.

[0075] Based on the above embodiments of the application, the battery cluster provided by the application includes the above-mentioned battery pack support structure. Through the arrangement of the above-mentioned battery pack support structure, the weight of the battery pack 3 can be shared by the first support part 1 and the second support part 2 arranged on the side of the battery pack 3 after the assembly of the battery cluster is completed, thereby reducing or even avoiding the weight of the upper battery pack 3 directly acting on the lower battery pack 3. Moreover, the volume and material of the first support part 1 and the second support part 2 are smaller than the box and other structures of the battery pack 3, thereby reducing the strength redundancy and saving materials and costs.

[0076] Specifically, through the cooperation of the first support part 1 and the second support part 2, the plurality of battery packs 3 are stacked in sequence during the assembly of the battery cluster. At this time, the first support part 1 and the second support part 2 arranged on the side of the battery pack 3 abut against the battery pack 3 in sequence to support the battery pack 3. In order to ensure that a gap is arranged between the two adjacent battery packs 3, the size of the support structure corresponding to the side of the battery pack 3 along the stacking direction should be greater than that of the battery pack 3. At this time, the support structure will protrude from the battery pack 3, which may cause assembly inconvenience and other problems during the assembly and stacking of the battery pack 3.

[0077] However, through the split arrangement of the first support part 1 and the second support part 2, the first support part 1 and the adjacent second support part 2 cooperate to protrude from the battery pack 3 as a whole. However, when only the first support part 1 is arranged, it can not need to protrude from the battery pack 3, thereby facilitating the daily assembly, storage and transportation of the battery pack 3.

[0078] In some embodiments of the application, the support column 11 can be fixedly connected with the side wall of the battery pack 3 by any one of bolt connection, riveting and gluing.

[0079] Based on the above embodiments of the application, the support column 11 is connected and fixed with the side wall of the battery pack 3 by any one of the above-mentioned ways. Since the pressure of the battery pack 3 on the upper battery pack 3 is reduced or even completely eliminated at this time, the force required to be transmitted at the connection position of the battery pack 3 and the support column 11 is small, thereby avoiding the damage of the side wall of the battery pack 3 caused by excessive force to a certain extent.

[0080] In addition, it should be noted that the battery cluster in the application is not limited to the above structure. For example, in some embodiments of the application, after the plurality of battery packs 3 are stacked in sequence, a wire harness structure needs to be arranged between the battery packs 3 for connecting the battery packs 3. Alternatively, in some other embodiments of the application, the battery cluster can also include a control module and the like for detecting and regulating the input and output conditions and working state of the whole battery cluster.

[0081] In addition, with respect to the structure of a single battery pack 3 in the battery cluster, reference can be made to the above-mentioned embodiments of the battery pack 3. Figure 6As shown in the figure, the side edge of the battery pack 3 can also be provided with a turn-up structure 31. In particular, the turn-up structure 31 can be arranged between the support column 11 and the support strip 21. When the connecting bolts connect the support column 11 and the support strip 21, the connecting bolts pass through the turn-up structure 31, thereby further strengthening the connection between the battery pack 3 and the first support part 1 and the second support part 2.

[0082] On the basis of the above technical solution, according to the third aspect of the present application, a power consuming device is provided, which comprises a device main body and the above-mentioned battery cluster. The device main body is internally provided with a power supply cavity, and the battery cluster is arranged in the power supply cavity.

[0083] Specifically, the power consuming device can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, an electric car, an electric vehicle, a ship, a spacecraft, etc. The electric toy can include a fixed or mobile electric toy, such as a game console, an electric car toy, an electric ship toy, and an electric plane toy, etc. The spacecraft can include an airplane, a rocket, a space shuttle, and a spacecraft, etc.

[0084] In some embodiments, the power consuming device provided by the present application comprises the above-mentioned battery cluster, and thus has the above-mentioned beneficial effects. To avoid repetition, the above-mentioned beneficial effects will not be described again.

[0085] The preferred embodiments of the present application are described in detail above in combination with the accompanying drawings, but the present application is not limited to the specific details in the above-described embodiments. Within the technical concept of the present application, various simple modifications can be made to the technical solution of the present application, and these simple modifications all belong to the protection scope of the present application.

[0086] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction. To avoid unnecessary repetition, the present application will not describe various possible combinations again.

[0087] Furthermore, any combination of the various different embodiments of the present application can also be made, as long as it does not deviate from the idea of the present application, and it should be considered as disclosed in the present application.

Claims

1. A battery pack support structure for supporting at least two battery packs arranged in a stack, characterized by, The battery pack support structure comprises: A first support part is fixedly arranged on the side of the battery pack and is sequentially arranged along the stacking direction of the battery pack; A second support part is arranged on the side of the battery pack, and the second support part is located between two adjacent first support parts along the stacking direction of the battery pack, and the two adjacent first support parts are indirectly supported by the second support part.

2. The battery pack support structure of claim 1, wherein, The second support part is arranged as a support strip, the arrangement direction of the support strip is perpendicular to the stacking direction of the battery pack, and at least one end of the first support part is in abutting support with the support strip.

3. The battery pack support structure of claim 2, wherein, The support strip comprises a first support plate and a second support plate, the first support plate and the second support plate are oppositely arranged along the stacking direction of the battery pack, and the mutually distal wall surfaces of the first support plate and the second support plate are respectively in abutting support with the end of the first support part. A cavity structure is formed between the first support plate and the second support plate, and a reinforcing column is arranged in the cavity structure, and the two ends of the reinforcing column are respectively in abutting support with the first support plate and the second support plate.

4. The battery pack support structure of claim 3, wherein, The reinforcing column is located between two adjacent first support parts along the stacking direction of the battery pack.

5. The battery pack support structure of claim 3, wherein, The first support part is arranged as a support column, and the axial direction of the support column is consistent with the stacking direction of the battery pack, and at least one end of the support column is in abutting support with the support strip.

6. The battery pack support structure of claim 5, wherein, The support column comprises a column body, the column body is in contact with the side wall of the battery pack, and a fixing cavity is formed on the side of the column body away from the battery pack; A reinforcing rib is arranged in the fixing cavity, and the arrangement direction of the reinforcing rib is consistent with the stacking direction of the battery pack.

7. The battery pack support structure of claim 6, wherein, A first fixing hole is formed on the bottom surface of the fixing cavity, a second fixing hole is formed on the top surface of the fixing cavity, a third fixing hole is formed on the support strip, and the third fixing hole sequentially penetrates the first support plate, the reinforcing column and the second support plate; A connecting bolt is arranged between two adjacent support columns along the stacking direction of the battery pack, and the connecting bolt sequentially penetrates the first fixing hole, the third fixing hole on the upper support column and the second fixing hole on the lower support column.

8. A battery cluster, characterized by The battery cluster comprises: At least two battery packs; and The battery pack support structure according to any one of claims 1-7 is arranged on the side of the battery pack.

9. The battery cluster of claim 8, wherein, The support column is fixedly connected with the side wall of the battery pack by any one of bolt connection, riveting and gluing.

10. An electric device, characterized by The power utilization equipment comprises: A device main body, and an energy supply cavity is formed in the device main body; and The battery cluster according to claim 8 or 9 is arranged in the energy supply cavity.

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