Battery pack fixing support tool, liquid cooling container and energy storage system

Abstract

The utility model discloses a battery pack fixing support tool, a liquid cooling container and an energy storage system. The energy storage system comprises the liquid cooling container and at least one battery pack. The battery pack fixing support tool is arranged in the liquid cooling container, and the number of the battery pack fixing support tool is at least one. The battery pack fixing support tool comprises a main support, at least one layered support and a battery pack base, and the layered supports are arranged in the main support; the battery pack base is used for bearing a battery pack, is arranged on the layered bracket and is fixed on the layered bracket; the battery pack fixing support tool loads the battery packs in a layered mode, the space utilization rate in the liquid-cooled container is improved, and the capacity of the battery packs in the liquid-cooled container is increased. The method can be widely applied to the technical field of energy.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy, in particular to a battery pack fixing support tool, a liquid-cooled container and an energy storage system. BACKGROUND

[0002] With the continuous expansion of the use of new energy, energy storage technology, especially MW-level electrochemical energy storage technology, has made significant breakthroughs. MW-level container-type battery energy storage systems have many advantages such as high energy storage capacity, reliable operation, strong operability, and strong adaptability, and are increasingly widely used in new energy storage, microgrids, mobile power stations, and shared energy storage.

[0003] Compared with the same capacity of air-cooled container energy storage systems on the market, the liquid-cooled container energy storage system does not need to design a battery cooling air duct, and at the same time, due to the reduction of the use of fans and other mechanical components, the liquid-cooled energy storage system has lower failure rate and lower noise. Compared with air-cooled cell heat dissipation, liquid-cooled heat dissipation has high efficiency and better cell temperature consistency, which can save system self-consumption, prolong the service life of the cell and reduce the risk of thermal runaway.

[0004] However, the internal space of the common liquid-cooled container is not reasonably designed, the internal space is often wasted, the battery pack is limited, and the loading of the battery pack is difficult. CONTENT OF THE INVENTION

[0005] To solve at least one of the above technical problems, the present application provides a battery pack fixing support tool, a liquid-cooled container and an energy storage system, and the technical solutions are as follows.

[0006] The energy storage system provided by the present application includes a liquid-cooled container and at least one battery pack.

[0007] The present application provides a liquid-cooled container.

[0008] The present application provides a battery pack fixing support tool, which is arranged in the liquid-cooled container, and the battery pack fixing support tool is arranged as at least one. The battery pack fixing support tool includes a main support, a layered support and a battery pack base, the layered support is arranged in the main support, and the layered support is arranged as at least one layer; the battery pack base is used for carrying the battery pack, the battery pack base is arranged on the layered support, and the battery pack base is fixed to the layered support.

[0009] In some embodiments of the present application, the battery pack base can be detached from the layered support.

[0010] In some embodiments of the present application, the battery pack base is arranged on the layered support in a push-pull manner, the front end of the battery pack base is movable on the layered support, and the rear end of the battery pack base is fixedly connected with the layered support or the rear end of the battery pack base is fixedly connected with the main support.

[0011] In some embodiments of the present application, the layered support or the main support is provided with a fixing seat, and the rear end of the battery pack base is mounted on the fixing seat through a threaded member.

[0012] In some embodiments of the present application, the battery pack fixing support tooling includes a connecting structure, one end of the connecting structure is fixedly connected with the rear end of the battery pack base through a threaded member, and the other end of the connecting structure is fixedly connected with the fixing seat through a threaded member.

[0013] In some embodiments of the present application, the connecting structure is provided with at least one of a waist-shaped hole extending horizontally and a waist-shaped hole extending vertically, and the threaded member penetrates through the waist-shaped hole.

[0014] In some embodiments of the present application, the battery pack fixing support tooling includes a first limiting seat and a second limiting seat, the first limiting seat is arranged on the battery pack base or the first limiting seat is arranged on the battery pack, the second limiting seat is arranged on the layered support or the second limiting seat is arranged on the main support, and the second limiting seat limits the position of the battery pack base pushed into the layered support in an abutting manner.

[0015] In some embodiments of the present application, the first limiting seat and the second limiting seat are both provided with inclined surfaces, and the inclined surface of the first limiting seat is used for abutting the inclined surface of the second limiting seat.

[0016] The present application has at least the following beneficial effects: in a liquid-cooled container, the battery pack fixing support tooling loads the battery pack in layers, improves the space utilization rate of the interior of the liquid-cooled container, and increases the capacity of the battery pack of the liquid-cooled container. The present application can be widely applied in the field of energy technology.

[0017] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0018] The present application will be further illustrated below in combination with the drawings and embodiments. It should be noted that the embodiments embodied in the following drawings are exemplary and are used only to explain the present application, and cannot be understood as a limitation on the present application.

[0019] Figure 1 The structure diagram for arranging multiple layers of battery packs in the battery pack fixing support tooling.

[0020] Figure 2 Structure diagram of arranging a layer of battery packs in the battery pack fixing support tool.

[0021] Figure 3 For Figure 2 Exploded view of the structure.

[0022] The reference signs: 1000, layered support; 1100, support beam; 2000, battery pack base; 3100, fixing seat; 3200, connecting structure; 4100, first limiting seat; 4200, second limiting seat; 5100, column. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below with reference to the accompanying drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be understood that if the terms "center", "middle", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] In the description of the present application, if the meaning of several is more than one, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described that the first, the second is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features or the order of the indicated technical features.

[0026] In the description of the present application, unless otherwise explicitly specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example: it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In the description of the present application, if the description of the terms "as an embodiment", "an embodiment", "some examples", "some embodiments", "illustrative embodiments", "example", "specific example", "some examples" and the like appear, it means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present description, the illustrative description of the above terms does not necessarily refer 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.

[0028] The present application relates to an energy storage system, which comprises a liquid-cooled container and a battery pack, the battery pack being arranged in the liquid-cooled container.

[0029] It can be understood that the battery pack is arranged as at least one. A plurality of battery packs are connected in series to form a large-capacity energy storage system.

[0030] The present application relates to a liquid-cooled container, and a battery pack fixing support tool is arranged in the liquid-cooled container. Further, the battery pack fixing support tool is fixedly arranged in the liquid-cooled container.

[0031] Further, the battery pack fixing support tool is arranged as at least one. In some examples, when the battery pack fixing support tool is arranged as a plurality, the plurality of battery pack fixing support tools are arrayed in the liquid-cooled container.

[0032] It should be noted that the battery pack is arranged in the battery pack fixing support tool. Specifically, the battery pack is arranged on the battery pack base 2000 of the battery pack fixing support tool.

[0033] In some examples, when the battery pack is arranged as a plurality, the plurality of battery packs are arranged in layers in the battery pack fixing support tool, so that the space of the energy storage system is more compact. Further, the battery packs between the adjacent layers above and below have gaps, which helps heat dissipation and cooling.

[0034] The other configurations and operations of the energy storage system and the liquid-cooled container are recorded in the related art for those skilled in the art, and will not be described in detail here. The structure of the battery pack fixing support tool will be introduced below.

[0035] The present application relates to a battery pack fixing support tool, which comprises a main support, a layered support 1000 and a battery pack base 2000, the layered support 1000 being arranged in the main support, the battery pack base 2000 being arranged in the shape of a rectangular frame, the battery pack base 2000 being used for carrying the battery pack, and the battery pack base 2000 being arranged on the layered support 1000.

[0036] It can be understood that the battery pack is fixed to the battery pack base 2000, the battery pack base 2000 is fixed to the layered support 1000, the layered support 1000 is fixed to the main support, and the main support is fixed in the liquid cooling container.

[0037] It should be noted that the layered support 1000 is provided as at least one layer, and correspondingly, the battery pack base 2000 is provided as at least one. One battery pack base 2000 is arranged on each layer of the layered support 1000, in which case a plurality of battery packs can be arranged in the battery pack fixing support tool to form a battery cluster.

[0038] As an embodiment, the layered support 1000 includes two support beams 1100, the two support beams 1100 are arranged in parallel, and the two support beams 1100 are fixedly connected with the main support. The bottoms of the left and right sides of the battery pack base 2000 are respectively located on the two support beams 1100.

[0039] Further, the lower side of the support beam 1100 is provided with a rib plate to improve the support strength of the support beam 1100.

[0040] It should be noted that the battery pack base 2000 can be detached from the layered support 1000, so that the battery pack base 2000 is taken out of the battery pack fixing support tool, so as to assemble and disassemble the battery pack.

[0041] As an embodiment, the battery pack base 2000 is arranged on the layered support 1000 in a push-pull manner, which is convenient for operation.

[0042] It can be understood that the user or the mechanical arm or the forklift pushes the battery pack base 2000 forward on the layered support 1000, and then the battery pack base 2000 enters the battery pack fixing support tool. The user or the mechanical arm or the forklift moves the battery pack base 2000 backward on the layered support 1000, and then the battery pack base 2000 is pulled out of the battery pack fixing support tool.

[0043] Specifically, the space between the upper and lower adjacent two layers of the layered support 1000 is for the battery pack base 2000 to be inserted, the front end of the battery pack base 2000 can move on the layered support 1000, after the battery pack base 2000 is pushed in, the rear end of the battery pack base 2000 is fixedly connected with the main support, and then the battery pack base 2000 is fixed to the layered support 1000.

[0044] Further, the main support is provided with a fixing seat 3100, the fixing seat 3100 is located on the surface of the main support, the fixing seat 3100 is close to the layered support 1000, and the rear end of the battery pack base 2000 is installed with the fixing seat 3100 through a threaded part. If the user or the mechanical arm wants to pull out the battery pack base 2000, the threaded part is loosened.

[0045] Regarding the fixation of the battery pack base 2000, at least an alternative design can be that the rear end of the battery pack base 2000 is fixedly connected with the layered support 1000. In this case, the layered support 1000 is provided with a fixing seat 3100. Further, the fixing seat 3100 is arranged at the end of the layered support 1000.

[0046] In some examples, the battery pack fixing support tool includes a connecting structure 3200, two ends of the connecting structure 3200 are fixedly installed with the fixing seat 3100 and the battery pack base 2000 respectively. Specifically, one end of the connecting structure 3200 is fixedly connected with the rear end of the battery pack base 2000 through a threaded part, and the other end of the connecting structure 3200 is fixedly connected with the fixing seat 3100 through a threaded part. Further, the connecting structure 3200 is arranged as a connecting plate, the side surface of the connecting plate is attached to the surface of the fixing seat 3100 and the battery pack base 2000, and the threaded part penetrates the connecting plate to realize locking and fixation.

[0047] It should be noted that the connecting structure 3200 is provided with at least one of a waist-shaped hole extending horizontally and a waist-shaped hole extending vertically, and the threaded part penetrates the waist-shaped hole. The waist-shaped hole is reserved on the connecting structure 3200 for installing the threaded part.

[0048] In some examples, the connecting structure 3200 is provided with a waist-shaped hole extending horizontally, and the waist-shaped hole extending horizontally is located at one end of the connecting structure 3200 for connecting the layered support 1000, and the threaded part penetrates the waist-shaped hole extending horizontally and is locked with the layered support 1000. Alternatively, the waist-shaped hole extending horizontally is located at one end of the connecting structure 3200 for connecting the fixing seat 3100.

[0049] In other examples, the connecting structure 3200 is provided with a waist-shaped hole extending vertically, and the waist-shaped hole extending vertically is located at one end of the connecting structure 3200 for connecting the fixing seat 3100, and the threaded part penetrates the waist-shaped hole extending vertically and is locked with the fixing seat 3100. Alternatively, the waist-shaped hole extending vertically is located at one end of the connecting structure 3200 for connecting the layered support 1000.

[0050] In still other examples, the connecting structure 3200 is provided with a waist-shaped hole extending horizontally and a waist-shaped hole extending vertically. The waist-shaped hole extending horizontally is located at one end of the connecting structure 3200, and the waist-shaped hole extending vertically is located at the other end of the connecting structure 3200.

[0051] As an implementation, the threaded part is arranged as a screw, the fixing seat 3100 is provided with a threaded hole, and the layered support 1000 is provided with a threaded hole.

[0052] As another alternative embodiment, the threaded member can be replaced by a bolt at least, the fixing seat 3100 is provided with a through hole, the layered support 1000 is provided with a through hole, and the threaded member cooperates with a nut to realize locking.

[0053] As an embodiment, the battery pack fixing support tool includes a first limiting seat 4100 and a second limiting seat 4200, the first limiting seat 4100 is arranged on the battery pack base 2000, and the second limiting seat 4200 is arranged on the layered support 1000. The second limiting seat 4200 limits the position of the battery pack base 2000 pushed into the layered support 1000 in a manner of abutting against the first limiting seat 4100. When the second limiting seat 4200 abuts against the first limiting seat 4100, it indicates that the battery pack base 2000 is in a set position in the battery pack fixing support tool.

[0054] Further, the first limiting seat 4100 and the second limiting seat 4200 are both provided with inclined surfaces, and the inclined surface of the first limiting seat 4100 is used to abut against the inclined surface of the second limiting seat 4200. The inclined surfaces of the first limiting seat 4100 and the second limiting seat 4200 abut against each other, which can compensate for the machining error of the inclined surfaces of the first limiting seat 4100 and the second limiting seat 4200. Even if the inclination angles of the two inclined surfaces are inconsistent, the inclined surface of the second limiting seat 4200 can abut against the inclined surface of the first limiting seat 4100.

[0055] In some examples, the second limiting seat 4200 is arranged as an inverted “L” shaped plate, and the downward plane of the second limiting seat 4200 is formed as an inclined surface, and the upward plane of the first limiting seat 4100 is formed as an inclined surface.

[0056] It should be noted that the first limiting seat 4100 is arranged on the left and right sides of the battery pack base 2000, and the first limiting seats 4100 on the left and right sides are in symmetrical positions. Correspondingly, the layered support 1000 is provided with the second limiting seat 4200 on the left and right sides.

[0057] Regarding the abutment of the first limiting seat 4100 and the second limiting seat 4200, there are at least the following alternative examples: the first limiting seat 4100 and the second limiting seat 4200 are arranged as a baffle or a stopper.

[0058] Regarding the arrangement of the first limiting seat 4100, there are at least the following alternative examples: the first limiting seat 4100 is arranged on the battery pack, the first limiting seat 4100 is located on the left and right sides of the battery pack, and the battery pack is fixed to the battery pack base 2000 by a plurality of screws or bolts. When the second limiting seat 4200 abuts against the first limiting seat 4100, the battery pack stops moving, that is, the battery pack base 2000 stops moving.

[0059] As to the arrangement of the second limiting seat 4200, at least the following alternative examples exist: the second limiting seat 4200 is arranged on the main support.

[0060] As an implementation, the main support comprises columns 5100, and the columns 5100 are arranged in at least four, and the layered support 1000 is fixedly arranged on the side of the column 5100.

[0061] In some examples, the columns 5100 are shared by the battery pack fixing support tools of adjacent battery packs in the same row. Further, the fixing seats 3100 on the columns 5100 between the battery pack fixing support tools of adjacent battery packs in the same row are shared.

[0062] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art in the technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

Claims

1. A battery pack fixation bracket tool, characterized by: The battery pack fixing support tool includes a main support, a layered support arranged in the main support, the layered support being arranged as at least one layer, a battery pack base used for carrying a battery pack, the battery pack base being arranged on the layered support and fixed to the layered support. The battery pack base can be detached from the layered support. The battery pack base is arranged on the layered support in a push-pull manner, a front end of the battery pack base being movable on the layered support, and a rear end of the battery pack base being fixedly connected to the layered support or the rear end of the battery pack base being fixedly connected to the main support. The layered support or the main support is provided with a fixing seat, and the rear end of the battery pack base is mounted to the fixing seat through a threaded member.

2. The battery pack fixation bracket tooling of claim 1, wherein: The battery pack fixing support tool includes a connecting structure, one end of the connecting structure being fixedly connected to the rear end of the battery pack base through a threaded member, and the other end of the connecting structure being fixedly connected to the fixing seat through a threaded member.

3. The battery pack fixation bracket tooling of claim 2, wherein: The connecting structure is provided with at least one of a horizontally extending waist-shaped hole and a vertically extending waist-shaped hole, and the threaded member penetrates through the waist-shaped hole.

4. The battery pack fixation bracket tooling of claim 3, wherein: The battery pack fixing support tool includes a first limiting seat and a second limiting seat, the first limiting seat being arranged on the battery pack base or the first limiting seat being arranged on the battery pack, and the second limiting seat being arranged on the layered support or the second limiting seat being arranged on the main support, the second limiting seat limiting the position of the battery pack base pushed into the layered support in a manner of abutting against the first limiting seat.

5. The battery pack fixation bracket tooling of claim 4, wherein: The first limiting seat and the second limiting seat are both provided with inclined surfaces, and the inclined surface of the first limiting seat is used for abutting against the inclined surface of the second limiting seat.

6. The battery pack fixation bracket tooling of claim 5, wherein: The battery pack fixing support tool as claimed in any one of claims 1 to 8 is arranged in the liquid-cooled container, and the battery pack fixing support tool is arranged as at least one.

7. The battery pack fixation bracket tooling of claim 3, wherein: The liquid-cooled container as claimed in claim 9; 8. The battery pack fixation bracket tooling of claim 7, wherein: At least one battery pack arranged on the battery pack base.

9. A liquid-cooled container, characterized by: ​ 10. An energy storage system characterized by: ​ ​ ​

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