Energy storage power supply battery pack group

Abstract

The utility model relates to an energy storage power supply battery pack group, which structurally comprises a battery pack group, the battery pack group comprises at least more than two battery packs which are sequentially stacked, a nickel sheet is arranged between every two adjacent battery packs, and nickel sheets, insulating sheets and aluminum profiles are sequentially arranged outside the battery packs at two end parts of the battery pack group. And a protection plate is arranged on the aluminum profile on one side. The battery pack, the nickel sheet, the insulating sheet and the aluminum profiles are fixedly connected through penetrating long-rod bolts, and the long-rod bolts respectively enter from bolt holes in four corners of the aluminum profile at one end, extend out from bolt holes in four corners of the aluminum profile at the other end, and then are locked through nuts. According to the energy storage power supply battery pack set designed by adopting the scheme of the utility model, aluminum profiles are used for replacing a fan to dissipate heat of the battery pack, so that the structure of the battery pack set can be simplified, and the power consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the field of batteries, in particular to an energy storage power supply battery pack. Background Art

[0002] In 2022, our company applied for a utility model patent "A battery pack structure for energy storage power supply", with publication number CN217522158U. Its structure is to penetrate two sets of battery packs through long rod bolts to achieve the effect of capacity expansion. However, it is necessary to use a fan to dissipate heat for the battery pack. The fan not only requires additional power supply for the battery pack, which increases energy consumption and reduces the actual battery usage of customers, but also increases the volume of the battery pack and makes its overall structure more complicated. Utility Model Content

[0003] In view of the current problems, the utility model provides an energy storage power supply battery pack group. By arranging nickel sheets and aluminum profiles at both ends of the battery pack group, the heat dissipation effect can be guaranteed even if a fan is replaced and installed, so as to solve the problems of complex battery pack structure and high energy consumption.

[0004] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0005] A battery pack group for energy storage power supply includes a battery pack group, wherein the battery pack group includes at least two battery packs stacked in sequence, a nickel sheet is provided between adjacent battery packs, and nickel sheets, insulating sheets and aluminum profiles are sequentially provided outside the battery packs at both ends of the battery pack group, and the battery packs, the nickel sheets, the insulating sheets and the aluminum profiles are fixedly connected by penetrating long rod bolts.

[0006] Multiple battery packs are connected in series and parallel through nickel sheets to achieve the purpose of capacity expansion. Aluminum profiles are used at both ends of the battery pack to improve the heat dissipation capacity of the battery pack. The battery pack is locked and fixed through a long rod bolt through-type structure to increase the overall product structural strength.

[0007] Furthermore, the battery pack includes a plurality of batteries and a battery frame disposed at both ends of the batteries. The batteries of each battery pack are placed in the receiving grooves of the battery frame at both ends thereof.

[0008] Furthermore, a protection plate is provided on one side of the aluminum profile, and the protection plate is electrically connected to the battery.

[0009] Furthermore, the battery pack group includes two groups of battery packs, and the two groups of battery packs are fixedly connected by penetrating long rod bolts.

[0010] Furthermore, there are a plurality of long-rod bolts, and the plurality of long-rod bolts are arranged in an array. The long-rod bolts arranged in an array have a stable installation structure.

[0011] Furthermore, there are four long-rod bolts, which respectively enter from the bolt holes at the four corners of the aluminum profile at one end, extend from the bolt holes at the four corners of the aluminum profile at the other end, and are then locked by nuts.

[0012] Furthermore, the aluminum profile includes a bottom plate and side plates at both ends of the bottom plate, and the side plates are used to be fixedly connected to the mounting frame.

[0013] Furthermore, the mounting frame includes a base plate, four columns and a top plate, the four columns are fixed at the four corners of the base plate, the battery pack group is arranged on the base plate, the top plate is arranged above the battery pack group, the side plates are fixedly connected to the base plate and the top plate respectively, and the top plate is also fixedly connected to the columns.

[0014] Furthermore, a plurality of grooves are punched in the middle of the base plate. The punched groove structure not only serves as a reinforcing rib of the base plate, but also improves the heat dissipation performance of the battery pack.

[0015] Furthermore, the top plate is provided with a plurality of through holes, and the through holes of the top plate can dissipate heat from the battery pack.

[0016] Compared with the prior art, the utility model has the following beneficial effects: by adding aluminum profiles at both ends of the battery pack to replace the fan, the heat dissipation of the battery pack can be achieved without consuming additional power from the battery pack, so that the power of the battery can be fully used for customer needs, thereby improving the use efficiency, simplifying the structure of the battery pack, and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of an energy storage power supply battery pack of the utility model;

[0018] Figure 2 This is an exploded diagram of an energy storage power battery pack of the utility model;

[0019] Figure 3 It is a schematic diagram of an energy storage power supply battery pack group placed on a mounting frame according to the utility model;

[0020] Markings in the figure: battery pack 1, battery 1-1, battery frame 1-2, nickel sheet 2, insulating sheet 3, aluminum profile 4, bottom plate 4-1, side plate 4-2, long rod bolt 5, protective plate 6, mounting frame 7, base plate 7-1, column 7-2, top plate 7-3, groove 7-4. DETAILED DESCRIPTION

[0021] The utility model is described in detail below in conjunction with the accompanying drawings.

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a mechanical connection or an electrical connection, or it can be the internal connection between two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0025] like Figure 1-3 The utility model provides an energy storage power battery pack group, including a battery pack group, wherein the battery pack group includes at least two battery packs 1 stacked in sequence, each battery pack 1 includes a plurality of batteries 1-1 and a battery skeleton 1-2 respectively arranged at both ends of the battery, and the battery 1-1 is placed in the receiving groove of the battery skeleton 1-2 at both ends thereof.

[0026] Nickel sheets 2 are provided between the multiple battery packs 1, and nickel sheets 2, insulating sheets 3 and aluminum profiles 4 are sequentially provided outside the battery packs 1 at both ends of the battery pack group, and the battery pack 1, the nickel sheet 2, the insulating sheet 3 and the aluminum profile 4 are fixedly connected by penetrating long rod bolts 5. A protection plate 6, i.e., a BMS, is provided on one side of the aluminum profile 4, and the protection plate 6 is electrically connected to the battery to control the charge and discharge of the battery 1-1.

[0027] In this embodiment, the battery pack group includes two groups of battery packs 1, and the two groups of battery packs 1 are fixedly connected by penetrating long rod bolts 5. There are multiple long rod bolts 5, and the multiple long rod bolts 5 are arranged in an array. The long rod bolts 5 arranged in an array have a stable installation structure.

[0028] Specifically, there are four long-rod bolts 5, which enter from the bolt holes at the four corners of the aluminum profile 4 at one end, extend from the bolt holes at the four corners of the aluminum profile 4 at the other end, and are locked by nuts. The four-corner array fixing has a simple and stable structure.

[0029] The aluminum profile 4 includes a bottom plate 4-1 and side plates 4-2 at both ends of the bottom plate 4-1. The bottom plate 4-1 and the two side plates 4-2 are an integrally formed structure, and the side plates 4-2 are used to be fixedly connected to the mounting frame 7 by bolts.

[0030] The mounting frame 7 includes a base plate 7-1, four columns 7-2 and a top plate 7-3. The four columns 7-2 are fixed at the four corners of the base plate 7-1. The battery pack is arranged on the base plate 7-1. The top plate 7-3 is arranged above the battery pack. The side plates 4-2 are respectively fixedly connected to the base plate 7-1 and the top plate 7-3 by bolts, and the top plate 7-3 is also fixedly connected to the columns 7-2 by bolts.

[0031] A plurality of grooves 7-4 are punched in the middle of the base plate 7-1. The punched grooves 7-4 not only serve as reinforcing ribs for the base plate 7-1, but also improve the heat dissipation performance of the battery pack. The top plate 7-3 is provided with a plurality of through holes, which are long and narrow and serve to dissipate heat from the battery pack.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An energy storage power supply battery pack, comprising a battery pack, characterized in that: The battery pack group comprises at least two battery packs (1) stacked in sequence, a nickel sheet (2) is provided between adjacent battery packs (1), a nickel sheet (2), an insulating sheet (3) and an aluminum profile (4) are arranged in sequence outside the battery packs (1) at both ends of the battery pack group, and the battery pack (1), the nickel sheet (2), the insulating sheet (3) and the aluminum profile (4) are fixedly connected by penetrating long rod bolts (5).

2. The energy storage power supply battery pack according to claim 1, characterized in that: The battery pack (1) comprises a plurality of batteries (1-1) and a battery frame (1-2) respectively arranged at both ends of the battery (1-1).

3. An energy storage power supply battery pack according to claim 1 or 2, characterized in that: A protective plate (6) is provided on the aluminum profile (4) on one side.

4. An energy storage power supply battery pack according to claim 1 or 2, characterized in that: The battery pack group comprises two groups of battery packs (1), and the two groups of battery packs (1) are fixedly connected by penetrating long rod bolts (5).

5. The energy storage power supply battery pack according to claim 4, characterized in that: There are a plurality of the long rod bolts (5), and the plurality of the long rod bolts (5) are distributed and arranged in an array.

6. The energy storage power supply battery pack according to claim 5, characterized in that: There are four long-rod bolts (5), which respectively enter from the bolt holes at the four corners of the aluminum profile (4) at one end, extend from the bolt holes at the four corners of the aluminum profile (4) at the other end, and are then locked by nuts.

7. An energy storage power supply battery pack according to claim 1 or 2, characterized in that: The aluminum profile (4) comprises a bottom plate (4-1) and side plates (4-2) at both ends of the bottom plate (4-1), and the side plates (4-2) are used for being fixedly connected to the mounting frame (7).

8. The energy storage power supply battery pack according to claim 7, characterized in that: The mounting frame (7) comprises a base plate (7-1), four columns (7-2) and a top plate (7-3); the four columns (7-2) are fixedly arranged at four corners of the base plate (7-1); the battery pack is arranged on the base plate (7-1); the top plate (7-3) is arranged above the battery pack; the side plates (4-2) are respectively fixedly connected to the base plate (7-1) and the top plate (7-3); and the top plate (7-3) is also fixedly connected to the columns (7-2).

9. The energy storage power supply battery pack according to claim 8, characterized in that: A plurality of grooves (7-4) are punched in the middle of the base plate (7-1).

10. The energy storage power supply battery pack according to claim 8, characterized in that: The top plate (7-3) is provided with a plurality of through holes.

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