Energy storage system

Abstract

The embodiment of the utility model provides an energy storage system. The energy storage system comprises a battery box support and a plurality of container bodies. A plurality of battery chambers are arranged on the battery box bracket, and a clamping groove with an opening facing one side of the width direction of the battery box bracket is formed in the battery box bracket; the plurality of container bodies are arranged in the battery chamber in a one-to-one correspondence manner; the container body comprises a container main body cover and a battery box bottom plate, the container main body cover is arranged on the battery box bottom plate to define a containing cavity used for containing a battery module, and the end, in the width direction of the battery box support, of the battery box bottom plate extends out of the container main body cover; and one end of the battery box bottom plate is provided with a guide part, and the guide part is clamped in the clamping groove in a sliding manner. The energy storage system provided by the embodiment of the utility model has the advantages that the operation loss is reduced, and the convenience of mounting the battery box is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of energy storage, in particular to an energy storage system. BACKGROUND

[0002] Energy storage systems are widely used and promoted due to their high integration, large energy density and high efficiency and environmental protection. In the related art, an energy storage system includes a container frame and a plurality of partition plates. The partition plates each have a support plate on both sides in the thickness direction, and the support plates of two adjacent partition plates are used to support a battery box. During transportation, the battery box can be displaced and shaken relative to the support plates, which can easily cause damage to electrical components in the battery box. SUMMARY

[0003] The utility model aims at at least in the related art one of the technical problems. To this end, the utility model discloses an energy storage system. The energy storage system has the advantages of reducing transportation loss and high disassembly and assembly convenience.

[0004] The energy storage system of the utility model embodiment includes a battery box support and a plurality of container bodies.

[0005] The battery box support is provided with a plurality of battery chambers, and the battery box support has a clamping groove with an opening facing one side of the width direction of the battery box support; a plurality of container bodies are arranged one by one in the battery chambers; the container body includes a box main cover and a battery box bottom plate, the box main cover is arranged on the battery box bottom plate to enclose a containing cavity for accommodating a battery module, and one end of the battery box bottom plate in the width direction of the battery box support extends out of the box main cover, the one end of the battery box bottom plate has a guide portion, and the guide portion can be slidably clamped in the clamping groove.

[0006] The energy storage system of the utility model embodiment is provided with a clamping groove with an opening facing one side of the width direction of the battery box support on the battery box support, and a guide portion is formed at the one end of the battery box bottom plate. During installation, the guide portion is clamped in the clamping groove. The clamping groove can limit the battery box bottom plate, thereby avoiding the problem of damage to electrical components caused by displacement of the battery box bottom plate during transportation. Therefore, the energy storage system has the advantages of improving the stability of the structure and reducing transportation loss. In addition, the guide portion is slidably clamped in the clamping groove, which has the advantage of high disassembly and assembly convenience compared with the relative fixed connection mode.

[0007] Therefore, the energy storage system of the utility model embodiment has the advantages of reducing transportation loss and high disassembly and assembly convenience.

[0008] In some embodiments, the end of the side of the battery box bottom plate connected with the box main cover has a thinned inclined surface to form a guide portion.

[0009] In some embodiments, the battery box support includes a container frame and a plurality of partition uprights and a plurality of bottom supports arranged in the container frame, the plurality of partition uprights are connected to the top plate and the bottom plate of the container frame at intervals along the length direction of the container frame, the bottom supports are connected to two adjacent partition uprights, the bottom supports and the partition uprights form a battery compartment for placing the battery box, one of the bottom supports and the partition uprights has the clamping groove.

[0010] In some embodiments, the partition upright includes an upright body and a support strip arranged on both sides of the thickness direction of the partition upright, both ends of the upright body in the height direction are connected to the top plate and the bottom plate of the container frame respectively, the support strips of adjacent partition uprights are oppositely arranged along the length direction of the container frame, and the bottom supports are overlapped on the support strips of adjacent partition uprights.

[0011] In some embodiments, the support strip is L-shaped, one side of the L-shaped support strip is connected to the upright body, the other side of the L-shaped support strip is detachably connected to the bottom support, and the other side of the L-shaped support strip is upwardly bent to form the clamping groove.

[0012] In some embodiments, the bottom support includes a bottom support plate and a shock-absorbing layer, the bottom support plate is connected to two adjacent partition uprights, the bottom support plate has a support surface and a concave accommodating groove, the battery box bottom plate is arranged on the support surface, and the shock-absorbing layer is arranged in the accommodating groove.

[0013] In some embodiments, the bottom support plate includes a main body section, an extension section and a flange section which are integrally bent and formed, the extension section is arranged on both sides of the main body section in the length direction of the container frame, the extension section extends upward along the edges of the opposite sides of the main body section to form the accommodating groove, the flange section extends toward the partition upright along the upper end of the extension section, the flange section is connected to the partition upright, and the shock-absorbing layer is arranged on the main body section.

[0014] In some embodiments, the energy storage system further includes a liquid cooling system, the battery box bottom plate is detachably connected to the box main body cover through a connecting piece, one side of the battery box bottom plate in the thickness direction away from the box main body cover is provided with an accommodating clamping groove, and a part of the liquid cooling system is clamped in the accommodating clamping groove.

[0015] In some embodiments, the liquid cooling system comprises a liquid cooling machine, an inlet liquid pipe, an outlet liquid pipe and a plurality of liquid cooling coil segments, the liquid cooling machine, the inlet liquid pipe, the plurality of liquid cooling coil segments and the outlet liquid pipe are sequentially and circularly communicated, and the plurality of liquid cooling coil segments are matched in one-to-one correspondence in the containing clamping grooves of the plurality of battery box bottom plates.

[0016] In some embodiments, the battery chambers are arranged in multiple rows and multiple columns, at least a part of the inlet liquid pipe and the outlet liquid pipe extends along the height direction of the battery box support, the liquid cooling coil segments corresponding to the battery chambers in the same row are sequentially and serially arranged to form a liquid cooling main row, and the adjacent two liquid cooling coil segments in the same row are provided with a connecting buckle at the connection, the connecting buckle is arranged on the battery box support, and the connecting buckle is detachably clamped on the liquid cooling coil segment.

[0017] In some embodiments, a plurality of external connection pipe openings are arranged on the inlet liquid pipe and the outlet liquid pipe, and the plurality of external connection pipe openings are inserted into the outermost liquid cooling coil segments of the plurality of liquid cooling main rows. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a perspective view of an energy storage system according to an embodiment of the present application.

[0019] Figure 2 It is another perspective view of an energy storage system according to an embodiment of the present application.

[0020] Figure 3 It is Figure 2 Enlarged view at A.

[0021] Figure 4 It is a schematic view of the cooperation of a support strip and a container body according to an embodiment of the present application.

[0022] Figure 5 It is Figure 4 Enlarged view at B.

[0023] Figure 6 It is a perspective view of a container body according to an embodiment of the present application.

[0024] Figure 7 It is a structural schematic view of a liquid cooling system according to an embodiment of the present application.

[0025] Figure 8 It is an assembly view of a liquid cooling machine, an inlet liquid pipe and an outlet liquid pipe according to an embodiment of the present application.

[0026] Figure 9 It is a cooperation view of a battery box bottom plate, a battery box and a liquid cooling coil segment according to an embodiment of the present application.

[0027] Figure 10This is a perspective view of the upright plate, support strip, and bottom support plate in an embodiment of this utility model.

[0028] Figure 11 This is a perspective view of the bottom support plate according to an embodiment of the present invention.

[0029] Figure 12 This is a perspective view of the support strip according to an embodiment of the present utility model.

[0030] Figure label:

[0031] Battery box bracket 1; container frame 11; partition plate 12; plate body 121; support strip 122; locking groove 1221;

[0032] Bottom load-bearing component 13; bottom support plate 131; main body section 1311; extension section 1312; flange section 1313;

[0033] Damping layer 132;

[0034] Container body 2; Container body cover 21; Battery box bottom plate 22; Guide section 221; Receiving slot 222;

[0035] Liquid cooling system 3; liquid chiller 31; liquid inlet pipe 32; liquid outlet pipe 33; liquid cooling coil section 34;

[0036] Connecting buckle 4. Detailed Implementation

[0037] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0038] The following is for reference. Figures 1-12 This invention describes an energy storage system according to an embodiment of the present invention.

[0039] The energy storage system of this utility model embodiment includes a battery box bracket 1 and multiple container bodies 2.

[0040] The battery box bracket 1 is provided with multiple battery compartments, and the battery box bracket 1 has openings facing the width direction of the battery box bracket 1 (e.g., Figure 1 The engaging groove 1221 is located on one side of the battery compartment (shown in the left-right direction); multiple container bodies 2 are arranged one-to-one in the battery compartment; the container body includes a main body cover 21 and a battery box bottom plate 22. The main body cover 21 is arranged on the battery box bottom plate 22 to form a receiving cavity for accommodating the battery module, and one end of the battery box bottom plate 22 extends out of the main body cover 21 in the width direction of the battery box bracket 1. One end of the battery box bottom plate 22 has a guide portion 221, which can be slidably engaged in the engaging groove 1221.

[0041] The energy storage system of the embodiment of the utility model, set up the snap groove 1221 of the opening direction of the battery box support 1 is to one side of the width direction of the battery box support 1, and the guide portion 221 is formed in one end of the battery box bottom plate 22, and the guide portion 221 is snapped in the snap groove 1221 when installing, the snap groove 1221 can limit the battery box bottom plate 22, and then the problem that the battery box bottom plate 22 is displaced during transportation and causes electrical components to be damaged can be avoided. Therefore, the energy storage system improves the stability of the structure and reduces the transportation damage. In addition, the guide portion 221 is slidably snapped in the snap groove 1221, which has the advantage of high disassembly and assembly convenience compared with the relative fixed connection mode.

[0042] Therefore, the energy storage system of the embodiment of the utility model has the advantages of reducing transportation damage and high disassembly and assembly convenience.

[0043] As shown in Figures 4 to 6 The end of the side of the battery box bottom plate 22 connected with the box main body cover 21 has a tapered surface to form a guide portion 221. Furthermore, the guide portion 221 is formed by thinning the battery box bottom plate 22, which has the advantages of simple structure and easy processing.

[0044] As shown in Figure 1 and Figure 2 The battery box support 1 includes a container frame body 11, a plurality of partition plates 12 arranged in the container frame body 11, and a plurality of bottom bearing members 13 arranged in the container frame body 11. The plurality of partition plates 12 are connected to the top plate and the bottom plate of the container frame body 11 at intervals along the length direction of the container frame body 11. The bottom bearing member 13 is connected to the adjacent two partition plates 12. The bottom bearing member 13 and the partition plate 12 form a battery chamber for placing the battery box. One of the bottom bearing member 13 and the partition plate 12 has a snap groove 1221.

[0045] The energy storage system of the embodiment of the utility model divides the battery box support 1 into a container frame body 11, a plurality of partition plates 12 arranged in the container frame body 11, and a plurality of bottom bearing members 13 arranged in the container frame body 11. The plurality of bottom bearing members 13 form a plurality of battery box placement positions. That is, a plurality of battery chambers can be formed by the frame and the partition plate. This kind of partition type not only has a simple structure, but also has a relatively stable frame structure.

[0046] Specifically, the connecting buckle 4 can be fixed on the partition plate 12 by screws. Further, the connecting buckle 4 can be a hinge structure, and the connecting buckle has two oppositely arranged spring structures, and the snap groove 1221 is arranged on the two spring structures.

[0047] As shown in Figure 3 , Figure 4 and Figure 10As shown, the bottom carrier 13 comprises a bottom support plate 131 and a shock-absorbing layer 132, the bottom support plate 131 is connected on two adjacent partition plates 12, the bottom support plate 131 has a support surface and a concave accommodating groove, and the shock-absorbing layer 132 is arranged in the accommodating groove.

[0048] The energy storage system of the embodiment of the utility model, through concave formation accommodating groove of bottom support plate 131, and setting shock-absorbing layer 132 in accommodating groove, because may encounter vibration or impact in the process of transportation or use. Shock-absorbing layer 132 can provide elastic support for battery box, shock-absorbing layer 132 can effectively absorb these external forces, reduce the direct physical damage to battery box and its internal battery. At the same time, by setting shock-absorbing layer 132 can also reduce the problem of electrical connection loosening between battery and other components, guarantee the reliability of electrical connection. Thus, the energy storage system reduces the transportation loss.

[0049] As shown in Figure 3 , Figure 10 and Figure 12 As shown, the bottom support plate 131 comprises a main body segment 1311, an extension segment 1312 and a flange segment 1313, the extension segment 1312 is arranged on both sides of the main body segment 1311 in the length direction of the container frame body 11, and the extension segment 1312 extends upward along the edges of the opposite sides of the main body segment 1311 to form the accommodating groove, the flange segment 1313 extends along the upper end of the extension segment 1312 towards the direction close to the partition plate 12, the flange segment 1313 is connected with the partition plate 12, and the shock-absorbing layer 132 is arranged on the main body segment 1311. It can be understood that the bottom support plate 131 comprises the main body segment 1311, the extension segment 1312 extending upward along the edges of the opposite sides of the main body segment 1311, and the flange segment 1313 extending along the upper end of the extension segment 1312 towards the direction close to the partition plate 12.

[0050] The energy storage system of the embodiment of the utility model, through the main body segment 1311, the extension segment 1312 and the flange segment 1313 of the bottom support plate 131 are integrally bent and formed, and the accommodating groove is bent and formed, not only has the advantages of good structural integrity and high stability. Moreover, the flange segment 1313 of the outer edge also facilitates positioning and installation with the partition plate 12.

[0051] Optionally, the shock-absorbing layer 132 can be a foam layer. Because the foam layer not only has the advantages of lightness and good shock-absorbing effect. In addition, the foam layer often also has good heat insulation performance, which helps to maintain a relatively stable working environment for the battery.

[0052] Further, the foam layer is adhered on the main body segment 1311. The foam layer is fixed on the main body segment 1311 in the form of being adhered, which can improve the installation convenience of the shock-absorbing layer 132.

[0053] As Figures 1 to 3 and Figure 7 The energy storage system of the embodiment of the utility model further includes liquid cooling system 3, battery box bottom plate 22 and box main body cover 21 are detachably connected through connecting piece, one side of battery box bottom plate 22 is provided with containing clamping groove in the thickness direction away from box main body cover 21, and a part of liquid cooling system 3 is clamped in containing clamping groove.

[0054] The energy storage system of the embodiment of the utility model sets containing clamping groove on the cooperation surface of battery box bottom plate 22, and a part of liquid cooling system 3 is clamped in containing clamping groove, and a part of liquid cooling system 3 is arranged on the outside of container body and does not communicate with the inside of container body, thereby avoiding the problem of short circuit and fire of battery pack caused by the rupture of liquid cooling channel and leakage of liquid.

[0055] It can be understood that liquid cooling coil section 34 can be clamped between the foam layer and the battery box, and the battery module in the battery box can be cooled, reducing the problem of liquid leakage in the battery box.

[0056] As Figure 7 The liquid cooling system 3 includes a liquid cooling machine 31, an inlet pipe 32, an outlet pipe 33 and a plurality of liquid cooling coil sections 34, the liquid cooling machine 31, the inlet pipe 32, the plurality of liquid cooling coil sections 34 and the outlet pipe 33 are sequentially and circularly communicated, and the plurality of liquid cooling coil sections 34 are clamped one by one in the containing clamping grooves 222 of the plurality of battery box bottom plates 22.

[0057] The energy storage system of the embodiment of the utility model divides the liquid cooling system 3 into the liquid cooling machine 31, the inlet pipe 32, the outlet pipe 33 and the plurality of liquid cooling coil sections 34, and clamps the plurality of liquid cooling coil sections 34 one by one in the containing clamping grooves of the plurality of battery box bottom plates 22, so that the liquid cooling coil sections 34 can be positioned and installed through the containing clamping grooves, thereby improving the stability of the structure and the convenience of installation.

[0058] Further, each liquid cooling coil section 34 can be integrally bent and formed, and the plurality of liquid cooling coil sections 34 can be sealed and connected. Thus, the energy storage system not only has the advantage of good structural integrity, but also facilitates segmented replacement during later maintenance.

[0059] As Figures 1 to 3 and Figure 7As shown, the battery chambers are arranged in multiple rows and columns, at least part of the liquid inlet pipe 32 and the liquid outlet pipe 33 extends along the height direction of the battery box support 1, the liquid cooling coil sections 34 corresponding to the multiple battery chambers in the same row are sequentially connected to form a liquid cooling main row, and the adjacent two liquid cooling coil sections 34 in the same row are provided with a connecting buckle 4 at the connection position.

[0060] The energy storage system of the embodiment of the utility model sequentially connects the liquid cooling coil sections 34 corresponding to the multiple battery chambers in the same row to form a liquid cooling main row, and the multiple liquid cooling main rows are arranged in parallel between the liquid inlet pipe 32 and the liquid outlet pipe 33, thereby facilitating the pipeline arrangement in the liquid cooling system 3.

[0061] As shown in the figure, Figure 8 The liquid inlet pipe 32 and the liquid outlet pipe 33 are each provided with multiple external connection pipe openings, and the multiple external connection pipe openings are connected to the outermost liquid cooling coil sections 34 of the multiple liquid cooling main rows.

[0062] The energy storage system of the embodiment of the utility model is provided with multiple external connection pipe openings on the liquid inlet pipe 32 and the liquid outlet pipe 33, and the multiple external connection pipe openings are connected to the outermost liquid cooling coil sections 34 of the multiple liquid cooling main rows, so that the convenience of mounting the liquid inlet pipe 32 and the liquid outlet pipe 33 to the liquid cooling main row is further improved.

[0063] As shown in the figure, Figure 10 And Figure 11 The partition vertical plate 12 includes a vertical plate body 121 and a support strip 122 arranged on both sides of the thickness direction of the partition vertical plate 12, both ends of the vertical plate body 121 in the height direction are connected to the top plate and the bottom plate of the container frame body 11 respectively, the support strips 122 of the adjacent partition vertical plates 12 are arranged oppositely along the length direction of the container frame body 11, and the bottom support plate 131 is overlapped on the support strips 122 of the adjacent partition vertical plates 12.

[0064] The energy storage system of the embodiment of the utility model divides the partition vertical plate 12 into the vertical plate body 121 and the support strip 122 arranged on both sides of the thickness direction of the partition vertical plate 12, and the support strip 122 can be used to mount and fix the bottom support plate 131. Therefore, the energy storage system of the embodiment of the utility model has the advantage of high mounting convenience.

[0065] In addition, the bottom support plate 131 is overlapped on the support strips 122 of the adjacent partition vertical plates 12. When the bottom support plate 131 is mounted and positioned, the hand does not need to support the bottom support plate 131. Therefore, the energy storage system of the embodiment of the utility model further improves the mounting convenience.

[0066] As shown in the figure, Figure 10As shown, the bottom support plate 131 is connected with the support bar 122 through bolts.

[0067] As shown in the drawings, Figure 10 and Figure 11 As shown, the support bar 122 is L-shaped, one side of the L-shaped support bar 122 is connected with the vertical plate body 121, and the other side of the L-shaped support bar 122 is detachably connected with the bottom support plate 131, and the other side of the L-shaped support bar 122 is upwardly bent to form a clamping groove 1221.

[0068] The energy storage system of the embodiment of the utility model, through setting the support bar 122 as L-shaped to form the support, can limit the position of the battery box, and through the upward bending of the other side of the L-shaped support bar 122 to form the clamping groove 1221. Thus, the energy storage system has the advantages of high processing convenience and good structure integrity.

[0069] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, structure and operation, and therefore cannot be understood as limiting the utility model.

[0070] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0071] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0072] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or it only means that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or it only means that the horizontal height of the first feature is less than that of the second feature.

[0073] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms is not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0074] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. An energy storage system, characterized by, The energy storage system comprises: a battery box support provided with a plurality of battery chambers, the battery box support being provided with a clamping groove opening towards one side of the width direction of the battery box support; a plurality of container bodies provided in the battery chambers one by one, the container body comprising a box main cover and a battery box bottom plate, the box main cover being arranged on the battery box bottom plate to enclose a containing cavity for containing a battery module, and the battery box bottom plate extending out of the box main cover at one end of the width direction of the battery box support, the one end of the battery box bottom plate being provided with a guide portion which is slidably clamped in the clamping groove.

2. The energy storage system according to claim 1, wherein an end portion of the side of the battery box bottom plate connected with the box main cover is provided with a thinned inclined surface to form a guide portion.

3. The energy storage system according to claim 1, wherein the battery box support comprises a container frame and a plurality of partition uprights and a plurality of bottom bearing members arranged in the container frame, the plurality of partition uprights being connected on the top plate and the bottom plate of the container frame at intervals along the length direction of the container frame, the bottom bearing member being connected on two adjacent partition uprights, the bottom bearing member and the partition uprights forming a battery chamber for placing a battery box, one of the bottom bearing member and the partition uprights being provided with the clamping groove.

4. The energy storage system of claim 3, wherein, the partition upright comprises an upright body and a support strip arranged on both sides in the thickness direction of the partition upright, both ends of the upright body in the height direction being connected with the top plate and the bottom plate of the container frame respectively, the support strips of adjacent partition uprights being oppositely arranged along the length direction of the container frame, the bottom bearing member being overlapped on the support strips of adjacent partition uprights.

5. The energy storage system of claim 4, wherein, the support strip is in L shape, one side of the L-shaped support strip being connected with the upright body, the other side of the L-shaped support strip being detachably connected with the bottom bearing member, the other side of the L-shaped support strip being upwardly bent to form the clamping groove.

6. The energy storage system according to claim 3, wherein the bottom bearing member comprises a bottom support plate and a shock-absorbing layer, the bottom support plate being connected on two adjacent partition uprights, the bottom support plate being provided with a support surface and a concave containing groove, the battery box bottom plate being arranged on the support surface, the shock-absorbing layer being arranged in the containing groove.

7. The energy storage system according to claim 6, wherein the bottom support plate comprises a main section, an extension section and a flange section which are integrally bent and formed, the extension section being arranged on both sides of the main section in the length direction of the container frame, the extension section being upwardly extended along the edges of the opposite sides of the main section to form the containing groove, the flange section being extended towards the direction close to the partition upright along the upper end of the extension section, the flange section being connected with the partition upright, the shock-absorbing layer being arranged on the main section.

8. The energy storage system according to claim 6, wherein Further comprising a liquid cooling system, the battery box bottom plate is detachably connected with the box main body cover through a connecting piece, one side of the battery box bottom plate away from the box main body cover in the thickness direction is provided with a containing slot, and a part of the liquid cooling system is clamped in the containing slot.

9. The energy storage system of claim 8, wherein, The liquid cooling system comprises a liquid cooling machine, an inlet pipe, an outlet pipe and a plurality of liquid cooling coil sections, the liquid cooling machine, the inlet pipe, the plurality of liquid cooling coil sections and the outlet pipe are sequentially and circularly communicated, and the plurality of liquid cooling coil sections are correspondingly clamped in the containing slots of the plurality of battery box bottom plates.

10. The energy storage system of claim 9, wherein, The battery chambers are arranged in multiple rows and multiple columns, at least a part of the inlet pipe and the outlet pipe extends along the height direction of the battery box support, the liquid cooling coil sections corresponding to the battery chambers in the same row are sequentially and serially arranged to form a liquid cooling main row, and the adjacent two liquid cooling coil sections in the same row are provided with a connecting buckle at the connection, the connecting buckle is arranged on the battery box support and detachably clamped on the liquid cooling coil section; And / or, a plurality of external connection pipe openings are arranged on the inlet pipe and the outlet pipe, and the plurality of external connection pipe openings are inserted into the outermost liquid cooling coil sections of the plurality of liquid cooling main rows.

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