Tray structure and battery pack

Abstract

The embodiment of the application provides a tray structure and a battery pack, and belongs to the technical field of batteries. The tray structure comprises a bottom plate; six side plates, which are arranged in a regular hexagon around the bottom plate; and a partition, which is arranged on the bottom plate and connected with the side plates; the partition and the side plates jointly form three or six identical module accommodating cavities, and each module accommodating cavity is distributed around the center of the partition, and the module accommodating cavity is used for accommodating a battery module. The tray structure is in a regular hexagon, so that the battery modules are arranged in a regular hexagon, the battery cell monomers in the battery modules can be closely abutted and attached, the battery modules are relatively compact, the gap between the battery modules and the tray structure is small, and the space utilization rate is higher.

Description

Technical Field

[0001] This application relates to the field of battery technology, and in particular to a tray structure and a battery pack. Background Technology

[0002] In power batteries or energy storage batteries, individual battery cells are arranged in sequence to form battery modules, and battery modules are stacked in a tray structure to form a battery pack.

[0003] In the prior art, the tray structure is usually rectangular in shape, and the battery modules are stacked sequentially along the length or width of the tray structure. The battery cells in each battery module are arranged in at least two columns along the extension direction of the battery module.

[0004] However, this design results in low space utilization of the pallet structure. Utility Model Content

[0005] This application provides a tray structure and a battery pack to improve the space utilization of the tray structure.

[0006] In a first aspect, embodiments of this application provide a tray structure, including:

[0007] Base plate;

[0008] Six side panels are provided, arranged in a regular hexagonal pattern around the base plate;

[0009] The partition is mounted on the base plate and connected to the side plate.

[0010] The separator and side plate together enclose three or six identical module receiving cavities, which are distributed around the center of the separator and are used to accommodate battery modules.

[0011] In one possible implementation, the tray structure provided in this application includes three or six partitions, each partition being connected to the other, and each partition being connected to a side panel. Two adjacent partitions and at least one side panel together form a module receiving cavity.

[0012] In one possible implementation, the tray structure provided in this application embodiment has a divider connected to one side of the end of the side panel.

[0013] In one possible implementation, the tray structure provided in this application embodiment has three partitions, and the three partitions are respectively connected to three spaced side plates so that the outline of the module receiving cavity is a parallelogram.

[0014] In one possible implementation, the tray structure provided in this application embodiment has six partitions, each of which is connected to a side panel in a corresponding manner, so that the outline of the module receiving cavity is triangular.

[0015] In one possible implementation, the tray structure provided in this application embodiment has a partition having a first end and a second end, the first end being connected to a side plate;

[0016] The second end of each partition is connected in sequence to an adjacent partition on one side so that the partitions together form a reinforced cavity.

[0017] In one possible implementation, the tray structure provided in this application embodiment has a reinforcing cavity located at the common center of the accommodating cavities of each module.

[0018] In one possible implementation, the pallet structure provided in this application embodiment includes the following side panels:

[0019] The connecting section connects to the base plate;

[0020] The transition section is connected to the base plate and is located at one end of the connecting section;

[0021] The end of the transition section is connected to the adjacent side plate at a distance from the same side plate.

[0022] In one possible implementation, the pallet structure provided in this application embodiment has a consistent length for the connecting segments of each side panel, and the included angle between the connecting segments of adjacent side panels is 120°.

[0023] In one possible implementation, the tray structure provided in this application embodiment has a transition section that is an arc segment tangent to the connecting section.

[0024] In one possible implementation, the tray structure provided in this application embodiment has a separator height that is less than or equal to the side panel height.

[0025] In one possible implementation, the pallet structure provided in this application embodiment has the bottom plate, side plates, and dividers integrally formed.

[0026] Secondly, embodiments of this application provide a battery pack, including a battery module and any of the aforementioned tray structures, wherein the battery module is stacked within the tray structure.

[0027] In one possible implementation, the battery pack provided in this application embodiment has multiple battery cells within the battery module, and the multiple battery cells are arranged in a honeycomb pattern.

[0028] The tray structure and battery pack provided in this application embodiment include a base plate, side plates, and separators. Six side plates are arranged in a regular hexagonal shape around the base plate. The separators are disposed on the base plate and connected to the side plates, thus forming at least three identical module receiving cavities together with the side plates. The module receiving cavities are distributed around the center of the separators. Because the tray structure has a regular hexagonal outline and the module receiving cavities are distributed around the center of the separators, each module receiving cavity can also be assembled into a regular hexagon. This allows the battery cells of the battery modules within each module receiving cavity to fit tightly against and adhere to the cavity. Compared to conventional rectangular tray structures where battery cells are arranged along a rectangle, the hexagonal tray structure provided in this application embodiment allows for more compact battery module stacking, fewer gaps between the battery modules and the tray structure, and higher space utilization. Attached Figure Description

[0029] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0030] Figure 1 A schematic diagram of the tray structure provided in the embodiments of this application. Figure 1 ;

[0031] Figure 2 for Figure 1 Another structural diagram of the middle tray structure;

[0032] Figure 3 for Figure 2 A schematic diagram of the stacked battery module with a mid-tray structure;

[0033] Figure 4 A schematic diagram of the tray structure provided in the embodiments of this application. Figure 2 ;

[0034] Figure 5 for Figure 4 A schematic diagram of the stacked battery module with a central tray structure.

[0035] Explanation of reference numerals in the attached figures:

[0036] 100 - Base plate; 110 - Module receiving cavity; 120 - Distribution box;

[0037] 200 - Side plate; 210 - Connecting section; 220 - Transition section;

[0038] 300 - Separator; 310 - Separator section; 320 - Reinforced cavity;

[0039] 400 - Battery module; 410 - Battery cell.

[0040] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. In the absence of conflict, the following embodiments and features can be combined with each other.

[0042] In the prior art, the tray structure is usually rectangular in shape, and the battery modules are stacked sequentially along the length or width of the tray structure. The individual battery cells in each battery module are arranged sequentially, such as cylindrical batteries, with at least two columns arranged along the extension direction of the battery module, and the two columns of cylindrical batteries are staggered.

[0043] However, this design leaves a lot of gaps between the tray structure and the battery cells, which cannot accommodate the battery cells, resulting in low space utilization of the tray structure.

[0044] Furthermore, due to the rectangular structure of the tray, it is difficult to effectively disperse stress when subjected to external impacts or vibrations, making it more susceptible to impact deformation and resulting in poor safety. To address this, to improve the structural strength of the tray and battery pack and prevent individual battery cells within the tray from shifting or loosening due to impacts, the battery pack is encapsulated with adhesive to connect all battery modules. Subsequent damage to individual battery cells may necessitate the replacement of the entire battery module or even the entire battery pack, leading to significant repair costs.

[0045] Meanwhile, the staggered arrangement of individual battery cells within the battery module makes electrical connections between the individual cells and between the battery module and the distribution box more difficult.

[0046] To overcome the shortcomings of existing technologies, the tray structure and battery pack provided in this application embodiment include a base plate, side plates, and separators. Six side plates are arranged in a regular hexagonal shape around the base plate. The separators are disposed on the base plate and connected to the side plates, thus forming at least three identical module receiving cavities together with the side plates. These module receiving cavities are distributed around the center of the separators. Because the tray structure has a regular hexagonal outline and the module receiving cavities are distributed around the center of the separators, each module receiving cavity can also be assembled into a regular hexagon, allowing the battery cells of the battery modules within each module receiving cavity to fit tightly against each other. Compared to conventional rectangular tray structures where battery cells within the battery module are arranged along a rectangle, the regular hexagonal tray structure provided in this application embodiment allows for more compact battery module stacking, fewer gaps between the battery modules and the tray structure, and higher space utilization.

[0047] The present invention will now be described in detail with reference to the accompanying drawings, so that those skilled in the art can have a clearer and more detailed understanding of the present invention.

[0048] Reference Figures 1 to 5 As shown, this application embodiment provides a tray structure, including:

[0049] Base plate 100;

[0050] Six side panels 200 are provided, and the six side panels 200 are arranged in a regular hexagon around the base plate 100.

[0051] The partition 300 is disposed on the base plate 100 and connected to the side plate 200;

[0052] The separator 300 and the side plate 200 together enclose three or six identical module receiving cavities 110, each module receiving cavity 110 being distributed around the center of the separator 300, and the module receiving cavity 110 being used to accommodate the battery module 400.

[0053] It is understandable that the base plate 100 is used to provide stable and reliable support for the side plate 200, the separator 300, and the battery module 400. Specifically, the base plate 100 is a regular hexagonal plate to mate and connect with the side plate 200.

[0054] Six side panels 200 are provided, which correspond to the six sides of the regular hexagonal base plate 100. Specifically, they can be set on the outline edge of the same side of the base plate 100, or they can be set on the periphery of the base plate 100, so that the six side panels 200 can be arranged in a regular hexagonal shape to form a regular hexagonal accommodating space.

[0055] The partition 300 is disposed on the side of the base plate 100 corresponding to the side plate 200 and connected to the side plate 200, so that the partition 300 and the side plate 200 together form three or six identical module receiving cavities 110. Each module receiving cavity 110 is symmetrically distributed around the center of the partition 300, and each module receiving cavity 110 can be assembled together to form a regular hexagonal receiving space.

[0056] Since the side plate 200 and the bottom plate 100 form a receiving space with a regular hexagonal outline, in order to make each module receiving cavity 110 uniform, a separator 300 can be set to form three or six module receiving cavities 110 with the side plate 200.

[0057] It is understandable that setting the tray structure as a regular hexagonal structure, compared with a rectangular tray structure of the same perimeter, the regular hexagonal tray structure has a larger outline area, which can accommodate more battery cells 410, resulting in a higher energy density of the battery pack formed by the tray structure of this application, and reducing the gap between the battery cells 410 and the tray structure, thus making the space utilization rate of the battery tray higher.

[0058] Meanwhile, the pallet structure is a regular hexagon, and its contour side length and included angle are uniform in all directions, which makes the stress distribution of the pallet structure more uniform and less prone to local impact and deformation.

[0059] Therefore, due to the higher stress stability of the tray structure and the more compact arrangement of the battery cells 410, each battery module 400 can be individually potted during the subsequent potting process, avoiding overall potting. When a battery cell 410 or battery module 400 is damaged, only the corresponding battery module 400 needs to be replaced, resulting in lower maintenance costs.

[0060] At the same time, the uniform module receiving cavity 110 can make the battery module 400 uniform and the battery cells 410 of each battery module 400 arranged more compactly, so that it is more convenient and flexible to make electrical connections between battery cells 410 and between battery module 400 and distribution box 120.

[0061] Therefore, the tray structure provided in this embodiment includes a base plate 100, side plates 200, and partitions 300. Six side plates 200 are arranged in a regular hexagon around the base plate 100. The partitions 300 are disposed on the base plate 100 and connected to the side plates 200, thereby forming at least three identical module receiving cavities 110 together with the side plates 200. The module receiving cavities 110 are distributed around the center of the partitions 300. Thus, since the tray structure has a regular hexagonal outline and the module receiving cavities 110 are distributed around the center of the partitions 300, the module receiving cavities 110 can also be assembled into a regular hexagon, thereby allowing the battery cells 410 of the battery modules 400 in each module receiving cavity 110 to be tightly abutted and fitted. Compared to the conventional rectangular tray structure, in which the battery cells 410 within the battery module 400 are arranged along a rectangle, the tray structure provided in this embodiment is a regular hexagon. This allows the battery modules 400 to be stacked more compactly, with fewer gaps between the battery modules 400 and the tray structure, resulting in higher space utilization. Specifically, the space utilization of the tray structure provided in this embodiment is 3.5% to 6% higher than that of a conventional rectangular tray.

[0062] In some embodiments, refer to Figures 1 to 5 As shown, the partition 300 includes three or six partition sections 310, each partition section 310 is connected to the other, and each partition section 310 is connected to the side plate 200. Two adjacent partition sections 310 and at least one side plate 200 together form a module receiving cavity 110.

[0063] It is understood that three or six partitions 310 are connected relative to each other at the center of the regular hexagonal area enclosed by the side plates 200, and each partition 310 is connected to the side plate 200, so that the partitions 310 and the side plates 200 together form a uniform module receiving cavity 110. For example, when the partitions 310 are connected to the side plates 200, they can be connected to the middle of the side plates 200, or to the side of the side plates 200 near its own end, or to the end connection of the two side plates 200. This application does not limit this.

[0064] Each partition 310 is connected to the other partition, and each partition 310 is connected to the side plate 200, making the overall structure of the partition 300 and the side plate 200 more stable, able to withstand greater external impact and vibration, and less prone to deformation or damage. When the module receiving cavity 110 containing the battery module 400 is subjected to external pressure or impact, the connection structure between the partition 310 and the side plate 200 can distribute the local pressure to various parts through the partition 310, avoiding excessive local stress.

[0065] In some embodiments, refer to Figures 1 to 5 As shown, the partition 310 is connected to one side of the end of the side plate 200.

[0066] It is understandable that connecting the partition 310 to the side panel 200 near its end, so that the connection between the partition 310 and the side panel 200 is close to the end of the side panel 200, but not directly connected to the end of the side panel 200, allows the partition 310 to add an extra support point and reinforcement structure to the end of the side panel 200, which can enhance the strength of the connection between the ends of the two side panels 200 and make the entire pallet structure more stable when subjected to external forces.

[0067] Furthermore, by connecting the partition 310 to one side of the end of the side plate 200, the space at the end of the side plate 200 can be fully utilized without increasing the overall structural size, so as to achieve a more compact arrangement of the battery cells 410 in the battery module 400 and make it easier to realize the modular structural design of the battery module 400 and the module housing cavity 110.

[0068] In this embodiment, during specific implementation, refer to Figures 1 to 3 As shown, three partitions 310 are provided, and the three partitions 310 are respectively connected to three spaced side plates 200 so that the outline of the module receiving cavity 110 is a parallelogram.

[0069] It is understandable that by setting three partitions 310 and correspondingly connecting them to three side plates 200, two adjacent partitions 310 and two adjacent side plates 200 can jointly form a module receiving cavity 110, and the module receiving cavity 110 has a parallelogram outline shape. This makes the battery module 400 form a parallelogram structure. Compared with the conventional rectangular battery module 400 structure, it can make more effective use of the hexagonal space layout, which is convenient for tilting according to the hexagonal space and helps to improve the space utilization rate.

[0070] Furthermore, the parallelogram-shaped module housing 110 allows for more flexible arrangement of the battery modules 400. This enables the two adjacent edges of the battery module 400 to correspond and fit with the two adjacent side panels 200. Moreover, the battery cells 410 within the battery module 400 are arranged sequentially along the extension direction of the side panels 200, resulting in a compact and orderly arrangement that facilitates electrical connections and wiring between the battery cells 410 and between the battery modules 400.

[0071] Alternatively, in some embodiments, refer to Figure 4 and Figure 5 As shown, six partitions 310 are provided, and the six partitions 310 are respectively connected to the side plates 200 one by one, so that the outline of the module receiving cavity 110 is triangular.

[0072] This configuration is equivalent to further dividing the parallelogram-shaped module receiving cavity 110 into two identical triangular module receiving cavities 110 by the partition 310, based on the previous embodiment. This allows for the accommodating of more compact triangular battery modules 400, enabling more battery modules 400 to be integrated into a relatively small space, which helps to achieve lightweighting and high integration of the battery pack.

[0073] Understandably, the triangular module housing 110 allows the two corresponding partitions 310 and side plates 200 to support each other, distributing the impact force evenly to each partition 310 or side plate 200. When the module housing 110 is subjected to external pressure, impact force or vibration, the possibility of deformation and damage can be minimized.

[0074] In specific implementation, refer to Figures 1 to 5 As shown, the partition 310 has a first end and a second end, the first end being connected to the side plate 200;

[0075] The second end of each partition 310 is sequentially connected to an adjacent partition 310 on one side, so that each partition 310 together forms a reinforced cavity 320.

[0076] It is understandable that the partitions 310 are connected by the reinforcing cavity 320, and the partitions 310 are evenly connected to the periphery of the reinforcing cavity 320, making the entire partition 300 more stable and reliable. When the partition 300 is subjected to external pressure through the side plate 200, the reinforcing cavity 320 can evenly distribute these forces to each partition 310, avoiding local stress concentration that could lead to structural damage.

[0077] Specifically, the second end of each partition 310 is sequentially connected to the adjacent partition 310 and forms a reinforced cavity 320, which further enhances the structural strength of the partition 300.

[0078] Furthermore, by forming a reinforcing cavity 320 by enclosing the ends of the partition 310 itself, the overall structure of the partition 300 can be made simpler, more compact, and easier to implement. For example, when only three partitions 310 are provided, the second ends of each partition 310 enclose to form a triangular prism-shaped reinforcing cavity 320, while when six partitions 310 are provided, the second ends of each partition 310 enclose to form a hexagonal prism-shaped reinforcing cavity 320. This application does not impose any limitations on this.

[0079] In other embodiments, the reinforcing cavity 320 may be a hollow cylindrical structure fixed to the base plate 100, and the second end of the partition 310 may be fixedly connected to the periphery of the cylinder. This application does not limit this.

[0080] In some embodiments, refer to Figures 1 to 5As shown, the reinforced cavity 320 is located at the common center of the receiving cavities 110 of each module.

[0081] With this configuration, the reinforced cavity 320 is located in the center, ensuring that the reinforced cavity 320 and each side plate 200 can be evenly stressed through the support and connection of the partition 310, so as to make the pallet structure more stable and reliable.

[0082] Furthermore, it facilitates ensuring that the cavities 110 of each module are uniform, allowing each battery module 400 to be installed and arranged within the uniform cavities 110, thereby further improving the space utilization of the tray structure.

[0083] At the same time, it facilitates the connection and wiring between battery modules 400, reduces the possibility of line crossing and interference, and improves the reliability and maintainability of the entire system.

[0084] In some embodiments, refer to Figures 1 to 5 As shown, the side panel 200 includes:

[0085] Connecting section 210 is connected to base plate 100;

[0086] Transition section 220 is connected to base plate 100 and is located at one end of connecting section 210;

[0087] The transition section 220 is connected to the end of the transition section 220 away from the same side plate 200 on the connection section 210 of the adjacent side plate 200.

[0088] The connecting section 210 provides a direct connection basis between the side plates 200, while the transition section 220 further strengthens the connection between adjacent connecting sections 210, making the connection between each side plate 200 more stable.

[0089] The transition section 220 makes the connection between adjacent connecting sections 210 smoother and more continuous, avoiding structural weaknesses caused by poor connection.

[0090] In specific implementation, refer to Figures 1 to 5 As shown, the connecting segments 210 of each side plate 200 have the same length, and the included angle between the connecting segments 210 of adjacent side plates 200 is 120°.

[0091] This arrangement allows each side panel 200 to be enclosed by its connecting section 210 to form a regular hexagonal structure, thereby ensuring that the battery modules 400 are compactly stacked and that the tray structure is subjected to stable and uniform stress.

[0092] Furthermore, referring to Figures 1 to 5 As shown, the transition segment 220 is a circular arc segment that is tangent to the connecting segment 210.

[0093] By setting the transition section 220 as an arc section, when the pallet structure is under stress, the arc transition section 220 can effectively disperse the stress, so that the force can be transmitted more evenly to the adjacent connecting section 210, thereby improving the overall strength and durability of the structure.

[0094] Furthermore, the arc-shaped transition section 220 allows for a smoother connection within a limited space, avoiding the waste of installation space for the pallet structure caused by sharp edges and corners, and further improving the space utilization rate of the pallet structure.

[0095] In some embodiments, refer to Figure 1 As shown, the height of the separator 300 is less than or equal to the height of the side plate 200.

[0096] It is understandable that since the battery modules 400 can be closely arranged within the module receiving cavity 110, the potting height can be reduced. Since the height of the separator 300 is less than or equal to the height of the side plate 200, the potting height can be set to be the same as the height of the separator 300. On the one hand, the separator 300 effectively limits the potting height; on the other hand, the separator 300 separates the adhesive within the different module receiving cavities 110, preventing the battery modules 400 from becoming one piece during potting, thus effectively ensuring the convenience of subsequent maintenance of the battery modules 400.

[0097] Furthermore, in some embodiments, the base plate 100, side plate 200, and separator 300 are integrally formed.

[0098] It is understandable that the base plate 100, side plate 200 and separator 300 can be integrally cast from aluminum alloy to avoid welds between the base plate 100, side plate 200 and separator 300, ensuring the airtightness and good mechanical properties of the pallet structure, and with a smaller weight.

[0099] For example, the pallet structure can be manufactured through processes such as casting, heat treatment, machining, airtightness testing, and surface treatment.

[0100] This application also provides a battery pack, including a battery module 400 and a tray structure of any of the above embodiments, wherein the battery module 400 is stacked in the tray structure.

[0101] The tray structure has been described in detail in the above embodiments and will not be repeated here.

[0102] The battery pack can be used as a power battery to provide energy for new energy vehicles, or as an energy storage battery to provide energy storage equipment.

[0103] A power distribution box 120 is provided on one side of the side panel 200 to connect with each battery module 400, or the power distribution box 120 can be located on the top cover of the battery pack. This application does not limit this.

[0104] The battery module 400 contains multiple battery cells 410, which are arranged in a honeycomb pattern.

[0105] The battery cells 410 are arranged in a honeycomb pattern, which can maximize the filling of battery cells 410 within the limited module space, reduce the gaps between battery cells 410, improve space utilization, and thus increase the overall energy density of the battery module 400.

[0106] The battery pack provided in this application embodiment features a tray structure comprising a base plate 100, side plates 200, and partitions 300. Six side plates 200 are arranged in a regular hexagonal pattern around the base plate 100. The partitions 300 are disposed on the base plate 100 and connected to the side plates 200, thus forming at least three identical module receiving cavities 110. The module receiving cavities 110 are distributed around the center of the partitions 300. Because the tray structure has a regular hexagonal outline and the module receiving cavities 110 are distributed around the center of the partitions 300, the module receiving cavities 110 can also be assembled into a regular hexagon, thereby ensuring that the battery cells 410 of the battery modules 400 within each module receiving cavity 110 are tightly abutted and fitted together. Compared to the conventional rectangular tray structure, in which the battery cells 410 within the battery module 400 are arranged in a rectangular pattern, the tray structure provided in this embodiment is hexagonal, which allows the battery modules 400 to be stacked more compactly, with fewer gaps between the battery modules 400 and the tray structure, resulting in higher space utilization.

[0107] It should be noted that the terms "one embodiment," "embodiment," "exemplary embodiment," "some embodiments," etc., mentioned in the specification indicate that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0108] Generally speaking, terms should be understood at least in part by their use in context. For example, at least in part by context, the term "one or more" as used in the text can be used to describe any feature, structure, or characteristic of the singular meaning, or a combination of features, structures, or characteristics of the plural meaning. Similarly, at least in part by context, terms such as "a" or "the" can also be understood to convey either singular or plural usage.

[0109] It should be readily understood that the terms “on,” “above,” and “on top of” in this application should be interpreted in the broadest possible sense, such that “on” means not only “directly on something” but also “on something” with an intermediate feature or layer therebetween, and that “above” or “on top of” means not only “on something” but also “on something” without an intermediate feature or layer therebetween (i.e., directly on something).

[0110] Furthermore, for ease of explanation, spatially relative terms such as "below," "below," "under," "above," and "above" may be used to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation other than those shown in the figures. The device may have other orientations (rotated 90° or in other orientations), and the spatially relative descriptive terms used herein may be interpreted accordingly.

[0111] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A tray structure, characterized in that, include: Base plate (100); Side plates (200), six side plates (200) are provided, and the six side plates (200) are arranged in a regular hexagon around the base plate (100); A partition (300) is disposed on the base plate (100) and connected to the side plate (200); The separator (300) and the side plate (200) together enclose three or six identical module receiving cavities (110), each of the module receiving cavities (110) being distributed around the center of the separator (300), and the module receiving cavity (110) being used to receive the battery module (400).

2. The pallet structure according to claim 1, characterized in that, The separator (300) includes three or six partitions (310), each partition (310) is connected to the other, and each partition (310) is connected to the side plate (200). Two adjacent partitions (310) and at least one side plate (200) together form a module receiving cavity (110).

3. The pallet structure according to claim 2, characterized in that, The partition (310) is connected to one side of the end of the side plate (200).

4. The pallet structure according to claim 3, characterized in that, The partition (310) is provided in three parts, and the three partitions (310) are respectively connected to the three spaced side plates (200) so that the outline of the module receiving cavity (110) is a parallelogram.

5. The pallet structure according to claim 3, characterized in that, The partition (310) is provided in six parts, and the six partitions (310) are respectively connected to the side plate (200) one by one, so that the outline of the module receiving cavity (110) is triangular.

6. The pallet structure according to claim 2, characterized in that, The partition (310) has a first end and a second end, the first end being connected to the side plate (200); The second end of each of the partitions (310) is sequentially connected to the adjacent partitions (310) on one side, so that each of the partitions (310) together forms a reinforced cavity (320).

7. The pallet structure according to claim 6, characterized in that, The reinforced cavity (320) is located at the common center of each of the module receiving cavities (110).

8. The pallet structure according to any one of claims 1-7, characterized in that, The side panel (200) includes: A connecting segment (210) is connected to the base plate (100); A transition section (220) is connected to the base plate (100), and the transition section (220) is disposed at one end of the connecting section (210); The transition section (220) is connected to the end of the transition section (220) of the connecting section (210) of the adjacent side plate (200) away from the same side plate (200).

9. The pallet structure according to claim 8, characterized in that, The lengths of the connecting segments (210) of each of the side plates (200) are the same, and the included angle between the connecting segments (210) of two adjacent side plates (200) is 120°.

10. The pallet structure according to claim 8, characterized in that, The transition segment (220) is an arc segment that is tangent to the connecting segment (210).

11. The pallet structure according to any one of claims 1-7, characterized in that, The height of the separator (300) is less than or equal to the height of the side plate (200).

12. The pallet structure according to any one of claims 1-7, characterized in that, The base plate (100), the side plate (200), and the separator (300) are integrally formed.

13. A battery pack, characterized in that, The device includes a battery module (400) and a tray structure as described in any one of claims 1-12, wherein the battery module (400) is stacked within the tray structure.

14. The battery pack according to claim 13, characterized in that, The battery module (400) has multiple battery cells (410) arranged in a honeycomb pattern.

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