Battery pack mounting guide rail and energy storage container

Abstract

The utility model provides a battery pack mounting guide rail and an energy storage container, and the battery pack mounting guide rail is applied to the energy storage container and comprises a supporting part and a guide rail, the connecting part is connected with the supporting part and forms an L-shaped structure; the first limiting part is convexly arranged from the connecting part and is opposite to the supporting part; wherein the supporting part, the connecting part and the first limiting part jointly define a limiting cavity, and the limiting cavity is used for limiting and fixing a battery pack. According to the utility model, the first limiting part is arranged on the connecting part, and the limiting cavity is formed, so that the battery pack can be effectively fixed, and the fixing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage batteries, and in particular to a battery pack installation guide rail and an energy storage container. Background Art

[0002] The size of a single pack of a battery energy storage system is getting bigger and bigger, especially the length, which leads to the size of the battery pack mounting rail to be longer. Most battery pack mounting rails in the industry use L-shaped rails. When the L-shaped rail is longer, there will be problems such as unstable fixation, difficult processing and welding, and increased weight. In addition, the grounding of the battery pack mounting rail is mostly achieved by applying conductive paint on the surface of the fixing screws on the battery pack mounting rail, which is unreliable. Utility Model Content

[0003] The embodiments of the utility model provide a battery pack mounting rail and an energy storage container, which can improve the technical problem of loose fixing of existing long rails.

[0004] In a first aspect, an embodiment of the utility model provides a battery pack mounting rail, which is applied to an energy storage container, comprising:

[0005] Supporting part;

[0006] A connecting portion, connected to the supporting portion, to form an L-shaped structure;

[0007] A first limiting portion protrudes from the connecting portion and is arranged opposite to the supporting portion;

[0008] The support portion, the connection portion and the first limiting portion together define a limiting cavity, and the limiting cavity is used to achieve limiting fixation of the battery pack.

[0009] In the embodiment of the utility model, by providing a first limiting portion on the connecting portion and forming a limiting cavity, which cooperates with the fixing portion on the battery pack, the battery pack can be effectively fixed, thereby improving the fixing effect.

[0010] In one embodiment, the support portion and the connecting portion are integrally formed; and / or

[0011] The first limiting portion is arranged on a side of the connecting portion away from the supporting portion; and / or

[0012] The first limiting portion is integrally provided with the supporting portion; and / or

[0013] A plurality of first limiting portions are arranged at intervals on the connecting portion; and / or

[0014] The battery pack mounting rail has a sliding-in end for the battery pack to slide into the battery pack mounting rail. Along the direction away from the sliding-in end, the distance between the first limiting portion and the supporting portion gradually decreases to a preset value.

[0015] In an embodiment of the present invention, by integrally forming the supporting portion and the connecting portion, it is convenient for processing and the connection is more firm. By arranging the first limiting portion on the side of the connecting portion facing away from the supporting portion, the capacity of the limiting cavity can be larger, thereby improving the fixing effect of the limiting cavity and making full use of materials and space. By arranging a plurality of first limiting portions at intervals on the connecting portion, while ensuring the fixing effect, the use of materials can be reduced, thereby reducing the weight of the battery pack mounting rail and reducing costs. By gradually decreasing the distance between the first limiting portion and the supporting portion to a preset value along the direction away from the sliding-in end, it is convenient for the battery pack to be installed and fixed on the battery pack mounting rail.

[0016] In an embodiment, depth limiting portions and depth limiting fixing members are respectively arranged at both ends of the battery pack mounting rail along its extending direction. The depth limiting portions and the depth limiting fixing members are arranged inside the L-shaped structure. The depth limiting portions are fixedly connected to the supporting portion and / or the connecting portion, and the depth limiting fixing members are detachably arranged on the supporting portion and / or the connecting portion.

[0017] In an embodiment of the present invention, by arranging the depth limiting portions and the depth limiting fixing members, the movement of the battery pack along the extending direction of the battery pack mounting rail can be restricted, thereby improving the fixing effect of the battery pack mounting rail on the battery pack. By detachably arranging the depth limiting fixing members on the supporting portion and / or the connecting portion, it is convenient to install the depth limiting fixing members after the battery pack slides into the battery pack mounting rail, thus facilitating installation.

[0018] In an embodiment, a limiting protrusion is arranged on the connecting portion, and the limiting protrusion is arranged inside the limiting cavity.

[0019] In an embodiment of the present invention, by arranging the limiting protrusion on the connecting portion, the movement of the battery pack in the depth direction of the limiting cavity can be restricted, thereby improving the fixing effect of the battery pack mounting rail on the battery pack.

[0020] In an embodiment, both ends of the limiting protrusion are inclined along the extending direction of the battery pack mounting rail; and / or

[0021] A plurality of the limiting protrusions are arranged at intervals on the connecting portion.

[0022] In an embodiment of the present utility model, by obliquely arranging the limiting protrusions at both ends of the battery pack mounting rail along the extending direction, it is convenient for the battery pack to slide onto the battery pack mounting rail. By arranging a plurality of limiting protrusions at intervals on the connecting portion, while ensuring the fixing effect, the use of materials can be reduced, thereby reducing the weight of the battery pack mounting rail and reducing the cost.

[0023] In one embodiment, it further includes a reinforcing portion, and the reinforcing portion is arranged on the outer side of the L-shaped structure and fixedly connected to the supporting portion.

[0024] In an embodiment of the present utility model, by arranging the reinforcing portion, the stability of the battery pack mounting rail can be improved.

[0025] In one embodiment, the reinforcing portion includes a first extending portion and a second extending portion arranged in an L shape. The first extending portion is fixedly connected to the supporting portion and forms a T-shaped structure with the L-shaped connecting portion and the supporting portion; and / or

[0026] A plurality of the reinforcing portions are arranged at intervals on the supporting portion.

[0027] In an embodiment of the present utility model, by arranging the reinforcing portion in an L shape, the supporting strength of the battery pack mounting rail can be improved. By arranging a plurality of reinforcing portions at intervals on the supporting portion, while ensuring the supporting strength, the use of materials can be reduced, thereby reducing the weight of the battery pack mounting rail and reducing the welding workload, thus reducing the cost.

[0028] In one embodiment, a reinforcing rib is arranged at the connection of the first extending portion and the second extending portion; and / or

[0029] A buffer portion is arranged between the first extending portion and the second extending portion. The included angles between the buffer portion and the first extending portion and between the buffer portion and the second extending portion are both greater than 90° and less than 180°. A reinforcing rib is arranged at the connection of the buffer portion and the first extending portion and / or the second extending portion.

[0030] In an embodiment of the present utility model, by arranging a reinforcing rib at the connection of the first extending portion and the second extending portion, the strength of the reinforcing portion can be improved, thereby improving the supporting strength of the battery pack mounting rail. By arranging a buffer portion between the first extending portion and the second extending portion and arranging a reinforcing rib at their connection, the structural stability of the reinforcing portion can be improved, thereby improving the supporting strength of the battery pack mounting rail.

[0031] In one embodiment, it further includes a grounding portion, and the grounding portion is welded to the supporting portion and / or the connecting portion.

[0032] In an embodiment of the present utility model, by providing a grounding portion welded to the supporting portion and / or the connecting portion, the grounding reliability of the battery pack mounting rail can be improved.

[0033] In a second aspect, an embodiment of the present utility model provides an energy storage container, comprising:

[0034] At least two of the above-mentioned battery pack mounting rails arranged oppositely;

[0035] A battery pack, including a housing, and fixing portions are provided on the outer sides of opposite sides of the housing, and the two opposite fixing portions are respectively arranged in the limiting cavities of the opposite two battery pack mounting rails.

[0036] In an embodiment of the present utility model, by providing fixing portions on the outer side of the battery pack housing and arranging the fixing portions in the limiting cavities of the battery pack mounting rails, the mounting stability of the battery pack on the battery pack mounting rails can be improved.

[0037] In one embodiment, depth limiting portions and depth limiting fixing members are respectively arranged at two ends of the battery pack mounting rail along its extending direction, and the two ends of the fixing portion along the extending direction of the battery pack mounting rail are clamped between the depth limiting portions and the depth limiting fixing members.

[0038] In an embodiment of the present utility model, by clamping the fixing portion of the battery pack between the depth limiting portion and the depth limiting fixing member, the movement of the battery pack along the extending direction of the battery pack mounting rail can be restricted, thereby improving the mounting stability of the battery pack.

[0039] In one embodiment, it further comprises:

[0040] A box body, including a top cover and a bottom plate arranged oppositely;

[0041] Columns, the two ends of the columns are respectively fixedly arranged on the top cover and the bottom plate, at least two groups of the columns are arranged at intervals, each group of the columns includes at least two columns, the opposite sides of the adjacent two groups of columns are provided with the battery pack mounting rails, and the extending direction of the battery pack mounting rail is perpendicular to the extending direction of the columns, the side of the connecting portion facing away from the limiting cavity is fixedly connected to the columns, and the supporting portion is located on the side of the connecting portion close to the bottom plate;

[0042] The battery pack mounting rail further includes a grounding portion, and the grounding portion is connected to the box body through a grounding wire;

[0043] The battery pack mounting rail further includes a strengthening portion, and the strengthening portion is fixedly connected to the columns.

[0044] In an embodiment of the present utility model, by arranging upright columns and battery pack installation rails inside the box body, the space inside the box body can be divided into multiple spaces, so as to accommodate multiple battery packs. By connecting the grounding part of the battery pack installation rail to the box body through a grounding wire, the battery pack installation rail can be electrically connected to the ground of the energy storage container.

[0045] In one embodiment, multiple said battery pack installation rails are arranged along the extending direction of each group of said upright columns.

[0046] In an embodiment of the present utility model, by arranging multiple said battery pack installation rails along the extending direction of each group of upright columns, the space in the height direction of the energy storage container can be divided into multiple spaces, so as to accommodate more battery packs. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0048] Figure 1 is a schematic structural diagram of a battery pack installation rail provided by an embodiment of the present utility model;

[0049] Figure 2 is a schematic structural diagram of a reinforcing part provided by an embodiment of the present utility model;

[0050] Figure 3 is a schematic structural diagram of a battery pack provided by an embodiment of the present utility model;

[0051] Figure 4 is a schematic partial structural diagram of an energy storage container provided by an embodiment of the present utility model;

[0052] Figure 5 is Figure 4 a cross-sectional view at A in

[0053] Figure 6 is a schematic partial structural diagram of a box body provided by an embodiment of the present utility model.

[0054] Description of the Drawings: Battery pack mounting rail - 1; Support portion - 10; Connection portion - 20; First limiting portion - 30; Limiting cavity - 40; Sliding-in end - 50; Depth limiting portion - 60; Depth limiting fixing member - 70; Limiting protrusion - 80; Reinforcing portion - 90; First extension portion - 91; Second extension portion - 92; Reinforcing rib - 93; Buffer portion 94; Grounding portion - 100; Battery pack - 2; Outer shell - 21; Fixing portion - 211; Box body - 3; Top cover - 31; Bottom plate - 32; Column - 33; Grounding wire - 34. Detailed implementation manners

[0055] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention. In addition, it should be understood that the specific implementation manners described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention. In the present invention, unless otherwise stated, the orientation terms such as "upper" and "lower" usually refer to the upper and lower in the actual use or working state of the device, specifically the drawing direction in the accompanying drawings; and "inner" and "outer" are relative to the contour of the device.

[0056] In the first aspect, please refer to Figure 1-2 , an embodiment of the present invention provides a battery pack 2 mounting rail, which is applied to an energy storage container and includes:

[0057] Support portion 10;

[0058] Connection portion 20, connected to the support portion 10 and forming an L-shaped structure;

[0059] First limiting portion 30, protruding from the connection portion 20 and disposed opposite to the support portion 10;

[0060] Among them, the support portion 10, the connection portion 20 and the first limiting portion 30 jointly define a limiting cavity 40, and the limiting cavity 40 is used to realize the limiting and fixing of the battery pack 2.

[0061] It can be understood that the support portion 10 is in the shape of an elongated strip, connected to the connecting portion 20 along one side of its width direction, and arranged at an angle with the support portion 10, thereby forming an L-shaped structure. The connecting portion 20 can be an integrally arranged elongated strip, and the length can be the same as that of the support portion 10, or it can be composed of a plurality of sub-sections arranged at intervals and connected to the support portion 10. The support portion 10 and the connecting portion 20 can be made of sheet metal. The support portion 10 and the connecting portion 20 can be integrally formed, or they can be arranged separately and fixedly connected. The first limiting portion 30 is in the shape of an elongated strip, connected to the connecting portion 20 along one side of its width direction, and arranged at an angle with the connecting portion 20. The first limiting portion 30 can be an integrally arranged elongated strip, and the length can be the same as that of the connecting portion 20, or it can be composed of a plurality of sub-sections arranged at intervals and connected to the connecting portion 20. The first limiting portion 30 is arranged relative to the support portion 10, and the two can be parallel to each other, or there can be a certain angle.

[0062] In one embodiment, the supporting portion 10 and the connecting portion 20 are integrally formed.

[0063] In one embodiment, the first limiting portion 30 is disposed on a side of the connecting portion 20 away from the supporting portion 10 .

[0064] It is understood that the width of the limiting cavity 40 is limited by the width of the connecting portion 20 and can be adjusted as needed. The first limiting portion 30 is disposed at the edge of the connecting portion 20, which can fully utilize the width of the connecting portion 20, thereby making the width of the limiting cavity 40 larger.

[0065] In one embodiment, the first limiting portion 30 and the supporting portion 10 are integrally formed.

[0066] In one embodiment, a plurality of first limiting portions 30 are disposed at intervals on the connecting portion 20 .

[0067] It can be understood that the structures, shapes and sizes of the plurality of first limiting portions 30 may be the same or different.

[0068] In one embodiment, the battery pack mounting rail 1 has a sliding end 50 for allowing the battery pack 2 to slide into the battery pack mounting rail 1, and along the direction away from the sliding end, the distance between the first limiting portion 30 and the supporting portion 10 gradually decreases to a preset value.

[0069] It can be understood that the inclination angle of the first limiting portion 30 on the side close to the sliding-in end 50 can be 30-60°, which can facilitate guiding the battery pack 2 to slide into the battery pack installation rail 1.

[0070] In one embodiment, depth limit parts 60 and depth limit fixing parts 70 are respectively arranged at two ends of the battery pack mounting rail 1 along its extending direction. The depth limit parts 60 and the depth limit fixing parts 70 are arranged inside the L-shaped structure. The depth limit parts 60 are fixedly connected to the support part 10 and / or the connecting part 20, and the depth limit fixing parts 70 are detachably arranged on the support part 10 and / or the connecting part 20.

[0071] It can be understood that the depth limit parts 60 can be sheet-shaped or in other shapes. The depth limit parts 60 can be integrally arranged with the support part 10 and / or the connecting part 20, or can be welded to the support part 10 and / or the connecting part 20. The depth limit fixing parts 70 can be screws.

[0072] In one embodiment, a limit projection 80 is arranged on the connecting part 20, and the limit projection 80 is arranged inside the limit cavity 40.

[0073] It can be understood that the limit projection 80 can be integrally arranged with the connecting part 20. The shape, protruding height and length of the limit projection 80 can be set as required.

[0074] In one embodiment, the two ends of the limit projection 80 are inclined along the extending direction of the battery pack mounting rail 1.

[0075] It can be understood that the inclination angles at both ends of the limit projection 80 can be 30 - 60°, which is convenient for guiding the battery pack 2 to slide into the battery pack mounting rail 1.

[0076] In one embodiment, a plurality of the limit projections 80 are arranged at intervals on the connecting part 20.

[0077] It can be understood that the number of the limit projections 80 can be set as required. The limit projections 80 can be arranged on the connecting part 20 at equal intervals.

[0078] In one embodiment, a reinforcing part 90 is further included. The reinforcing part 90 is arranged outside the L-shaped structure and is fixedly connected to the support part 10.

[0079] It can be understood that the reinforcing part 90 can be integrally arranged with the support part 10, or can be welded to the support part 10.

[0080] In one embodiment, the reinforcing part 90 includes a first extension part 91 and a second extension part 92 arranged in an L shape. The first extension part 91 is fixedly connected to the support part 10 and forms a T-shaped structure with the L-shaped connecting part 20 and the support part 10.

[0081] It can be understood that both the first extension part 91 and the second extension part 92 can be sheet-shaped and can be made of sheet metal. The first extension part 91 is fixedly connected to the support part 10, and the first extension part 91 and the support part 10 can be in surface contact and welded together. The second extension part 92 and the connection part 20 can be coplanar, so as to better support the support part 10 and the connection part 20. The width, length, and thickness of the first extension part 91 and the second extension part 92 can be set as needed.

[0082] In one embodiment, a plurality of the reinforcing parts 90 are arranged at intervals on the support part 10.

[0083] It can be understood that the structures, shapes, and sizes of the plurality of reinforcing parts 90 can be the same or different. A plurality of reinforcing parts 90 are provided.

[0084] In one embodiment, a reinforcing rib 93 is provided at the connection between the first extension part 91 and the second extension part 92.

[0085] It can be understood that the reinforcing rib 93 can be a convex hull on the reinforcing part 90 and can be formed by die stamping. The number and position of the reinforcing ribs 93 can be set as needed.

[0086] In one embodiment, a buffer part 94 is provided between the first extension part 91 and the second extension part 92. The angles between the buffer part 94 and the first extension part 91 and between the buffer part and the second extension part 92 are greater than 90° and less than 180°. A reinforcing rib 93 is provided at the connection between the buffer part 94 and the first extension part 91 and / or the second extension part 92.

[0087] It can be understood that the buffer part 94 can be a connecting piece between the first extension part 91 and the second extension part 92 and can be made of sheet metal. The first extension part 91, the second extension part 92, and the buffer part 94 can be integrally formed.

[0088] In one embodiment, it further includes a grounding part 100, and the grounding part 100 is welded to the support part 10 and / or the connection part 20.

[0089] It can be understood that the grounding part 100 is welded to the support part 10 and / or the connection part 20, so that the grounding part 100 is electrically connected to the support part 10 and the connection part 20. The grounding part 100 can be a stainless steel sheet and its surface is not spray-treated.

[0090] In a second aspect, please refer to Figure 3-6 , an embodiment of the present invention provides an energy storage container, including:

[0091] At least two of the above-mentioned battery pack mounting rails 1 arranged oppositely;

[0092] The battery pack 2 includes a housing 21. Fixing parts 211 are provided on the outer sides of opposite two sides of the housing 21, and the opposite two fixing parts 211 are respectively arranged in the limiting cavities 40 of the opposite two battery pack mounting rails 1.

[0093] It can be understood that the shape of the fixing part 211 matches the shape of the limiting cavity 40, so that it can be fixed in the limiting cavity 40. The first limiting parts 30 of the oppositely arranged battery pack mounting rails 1 can be arranged opposite to each other or staggeredly arranged.

[0094] In an embodiment, depth limiting parts 60 and depth limiting fixing parts 70 are respectively arranged at two ends of the battery pack mounting rail 1 along its extending direction, and two ends of the fixing part 211 along the extending direction of the battery pack mounting rail 1 are clamped between the depth limiting part 60 and the depth limiting fixing part 70.

[0095] It can be understood that when the battery pack 2 is installed, first slide the battery pack 2 into the battery pack mounting rail 1, and slide the fixing part 211 into the limiting cavity 40. After contacting the depth limiting part 60, then install the depth limiting fixing part 70.

[0096] In an embodiment, it further includes:

[0097] A box body 3, including a top cover 31 and a bottom plate 32 which are arranged opposite to each other;

[0098] Columns 33, two ends of the columns 33 are respectively fixedly arranged on the top cover 31 and the bottom plate 32. At least two groups of the columns 33 are arranged at intervals. Each group of the columns 33 includes at least two columns 33. Opposite sides of the adjacent two groups of columns 33 are both provided with the battery pack mounting rails 1, and the extending direction of the battery pack mounting rail 1 is perpendicular to the extending direction of the columns 33. A surface of the connecting part 20 facing away from the limiting cavity 40 is fixedly connected with the columns 33, and the supporting part 10 is located on a side of the connecting part 20 close to the bottom plate 32;

[0099] The battery pack mounting rail 1 further includes a grounding part 100, and the grounding part 100 is connected with the box body 3 through a grounding wire 34;

[0100] The battery pack mounting rail 1 further includes a strengthening part 90, and the strengthening part 90 is fixedly connected with the columns 33.

[0101] It can be understood that the grounding part 100 is connected to the box body 3 through a grounding wire 34. The connection can be achieved by welding a nut on the grounding part 100 and pressing the grounding wire 34 with a screw. The connecting part 20 is used to connect to the column 33, so as to fix the battery pack mounting rail 1, and the supporting part 10 is used to support the battery pack 2. The reinforcing part 90 is fixedly connected to the column 33, so as to fix the reinforcing part 90. The number of the reinforcing parts 90 can be the same as the number of the columns 33 connected to the battery pack mounting rail 1. The connecting part 20 and the reinforcing part 90 can be connected to the column 33 by bolts, which is convenient for installation.

[0102] In one embodiment, multiple battery pack mounting rails 1 are arranged along the extending direction of each group of columns 33.

[0103] The embodiments of the present invention have been introduced in detail above. Specific examples are used in this article to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention; at the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A battery pack mounting rail, applied to an energy storage container, characterized in that, include: Supporting part; A connecting portion, connected to the supporting portion, to form an L-shaped structure; A first limiting portion protrudes from the connecting portion and is arranged opposite to the supporting portion; The support portion, the connection portion and the first limiting portion together define a limiting cavity, and the limiting cavity is used to achieve limiting fixation of the battery pack.

2. The battery pack mounting rail according to claim 1, characterized in that: The supporting portion and the connecting portion are integrally formed; and / or The first limiting portion is arranged on a side of the connecting portion away from the supporting portion; and / or The first limiting portion is integrally provided with the supporting portion; and / or A plurality of first limiting portions are arranged at intervals on the connecting portion; and / or The battery pack mounting rail has a sliding end for allowing the battery pack to slide into the battery pack mounting rail, and along the direction away from the sliding end, the distance between the first limiting portion and the supporting portion gradually decreases to a preset value.

3. The battery pack mounting rail according to claim 1, characterized in that, The battery pack mounting rail is respectively provided with a depth limiting portion and a depth limiting fixing piece at both ends along its extension direction. The depth limiting portion and the depth limiting fixing piece are arranged on the inner side of the L-shaped structure. The depth limiting portion is fixedly connected to the supporting portion and / or the connecting portion, and the depth limiting fixing piece is detachably arranged on the supporting portion and / or the connecting portion.

4. The battery pack mounting rail according to claim 1, wherein, A limiting protrusion is arranged on the connecting portion, and the limiting protrusion is arranged in the limiting cavity.

5. The battery pack mounting rail according to claim 1, characterized in that, It also includes a reinforcement part, which is arranged on the outer side of the L-shaped structure and fixedly connected to the support part.

6. The battery pack mounting rail according to claim 5, characterized in that, The reinforcing portion comprises a first extending portion and a second extending portion arranged in an L-shape, wherein the first extending portion is fixedly connected to the supporting portion and forms a T-shaped structure with the L-shaped connecting portion and the supporting portion; and / or A plurality of the reinforcing parts are arranged on the supporting part at intervals.

7. The battery pack mounting rail according to claim 6, wherein, A reinforcing rib is provided at a connection between the first extension portion and the second extension portion; and / or A buffer portion is arranged between the first extension portion and the second extension portion, and an included angle between the buffer portion and the first extension portion and an included angle between the buffer portion and the second extension portion are both greater than 90° and less than 180°. Reinforcing ribs are arranged at the connection between the buffer portion and the first extension portion and / or the second extension portion.

8. The battery pack mounting rail according to claim 1, wherein, It also includes a grounding portion, which is welded to the supporting portion and / or the connecting portion.

9. An energy storage container, characterized in that, include: At least two oppositely arranged battery pack mounting rails according to any one of claims 1 to 8; The battery pack comprises a shell, and fixing parts are arranged on the outer sides of the two opposite sides of the shell, and the two opposite fixing parts are respectively arranged in the limiting cavities corresponding to the two battery pack installation rails.

10. The energy storage container according to claim 9, characterized in that, The battery pack mounting rail is provided with a depth limiting portion and a depth limiting fixing piece at both ends along the extension direction thereof, and the fixing portion is clamped between the depth limiting portion and the depth limiting fixing piece at both ends along the extension direction of the battery pack mounting rail; and / or The battery pack mounting rail also includes: The box body comprises a top cover and a bottom plate which are arranged opposite to each other; The upright columns, both ends of the upright columns are respectively fixedly arranged on the top cover and the bottom plate, at least two groups of the upright columns are arranged at intervals, each group of the upright columns includes at least two of the upright columns, on the opposite sides of the adjacent two groups of the upright columns, there are battery pack mounting rails arranged, and the extending direction of the battery pack mounting rails is perpendicular to the extending direction of the upright columns, the side of the connecting part facing away from the limiting cavity is fixedly connected with the upright columns, and the supporting part is located on the side of the connecting part close to the bottom plate; The battery pack mounting rail further includes a grounding part, and the grounding part is connected with the box body through a grounding wire; The battery pack mounting rail further includes a strengthening part, and the strengthening part is fixedly connected with the upright column.

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