Module-free energy storage battery standard box

Abstract

The utility model provides a module-free energy storage battery standard box, which comprises a battery box with an opening on one side; the liquid cooling plate is placed in the battery box from the opening direction of the battery box; the base plate comprises four side walls, and the base plate is embedded into the battery box from the opening direction of the battery box; the battery cell is placed in the base plate from the opening direction of the battery box; the end part pre-pressing plate is arranged between the top plate of the battery box and the base plate; and the side surface pre-pressing plate is arranged between the side surface plate of the battery box and the base plate. Certain pressure is applied to the battery cell through the pre-pressing plate, friction force generated by the pressure enables the battery cell, the liquid cooling plate and the battery box not to move, it is guaranteed that the appearance of the battery is kept stable in the battery transferring and working process, the reliability of the battery cell is improved, a structure for fixing the battery cell does not need to be additionally arranged in the vertical direction, and the cost is reduced. A module assembling tool is not needed, the assembling process is simple, and the size is small.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and in particular to a module-free energy storage battery standard box. Background Art

[0002] At present, most energy storage battery boxes adopt a modular structure, that is, the battery pack is composed of multiple modules. This structure has a module tooling link in the battery grouping process, and the assembly is relatively complicated. In addition, due to the modular structure, there are other components such as end plates, the volume is relatively large, the energy density is low, and the cost is relatively high. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a module-free energy storage battery standard box.

[0004] The technical solution adopted by the utility model is as follows:

[0005] The first aspect of the utility model proposes a module-free energy storage battery standard box, comprising: a battery box, one side of which is open; a liquid cooling plate, the liquid cooling plate is placed in the battery box from the opening direction of the battery box; a pad, the pad includes four side walls, the pad is embedded in the battery box from the opening direction of the battery box; a battery cell, the battery cell is placed in the pad from the opening direction of the battery box; an end pre-pressure plate, the end pre-pressure plate is arranged between the side plate of the battery box and the pad, the end pre-pressure plate is used to apply pressure to the battery cell from the end; a side pre-pressure plate, the side pre-pressure plate is arranged between the side panel of the battery box and the pad, the side pre-pressure plate is used to apply pressure to the battery cell from the side; and a cover plate, the cover plate is used to cover the opening of the battery box.

[0006] The above-mentioned module-free energy storage battery standard box of the utility model also has the following additional technical features:

[0007] Specifically, the battery box adopts a sheet metal structure.

[0008] Furthermore, the internal frame of the battery box is welded with rectangular tubes, and the external skin is made of carbon steel plates.

[0009] Specifically, the end pre-compression plate or the side pre-compression plate includes: a support plate; a side limiting structure and an end limiting structure arranged on the support plate, the side limiting structure and the end limiting structure constitute a limiting groove, and the limiting groove includes multiple; a spring, the spring is arranged in the limiting groove and a gap is left between the spring and the limiting groove, and the spring can slide in the limiting groove.

[0010] Furthermore, the spring is formed by bending a spring steel plate.

[0011] Beneficial effects of the utility model:

[0012] The utility model applies a certain pressure to the battery cell through the pre-pressing plate, and the friction force generated by the pressure prevents the battery cell from moving with the liquid cooling plate and the battery box, thereby ensuring that the battery maintains a stable appearance during transportation and operation, and improving the reliability of the battery cell. There is no need to add a structure to fix the battery cell in the vertical direction, and no module assembly tooling is required. Not only is the assembly process simple, but the volume is also small, which can make the energy storage battery lighter, safer, and have a higher energy density. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an exploded view of a module-free energy storage battery standard box according to the first embodiment of the utility model;

[0014] Figure 2 This is an assembly diagram of a module-free energy storage battery standard box according to an embodiment of the utility model;

[0015] Figure 3 It is a structural schematic diagram of a battery box according to an embodiment of the utility model;

[0016] Figure 4 It is a schematic structural diagram of an end pre-compression plate or a side pre-compression plate according to an embodiment of the utility model;

[0017] Figure 5 This is a front view of an end pre-compression plate or a side pre-compression plate according to an embodiment of the utility model;

[0018] Figure 6 It is a side schematic diagram of a spring according to an embodiment of the utility model. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Figure 1 This is an exploded view of a module-free energy storage battery standard box according to the first embodiment of the utility model; Figure 2 It is an assembly diagram of a module-free energy storage battery standard box according to an embodiment of the utility model.

[0021] like Figure 1-2 As shown, the module-free energy storage battery standard box includes: a battery box 1, a liquid cooling plate 2, a pad 3, a battery cell 4, an end pre-compression plate 5, a side pre-compression plate 6 and a cover plate.

[0022] Among them, one side of the battery box 1 is open; the liquid cooling plate 2 is placed in the battery box 1 from the opening direction of the battery box 1; the pad 3 includes four side walls, and the pad 3 is embedded in the battery box 1 from the opening direction of the battery box 1; the battery cell 4 is placed in the pad 3 from the opening direction of the battery box 1; the end pre-compression plate 5 is arranged between the side plate of the battery box 1 and the pad 3, and the end pre-compression plate 5 is used to apply pressure to the battery cell 4 from the end; the side pre-compression plate 6 is arranged between the side panel of the battery box 1 and the pad 3, and the side pre-compression plate 6 is used to apply pressure to the battery cell from the side, and the cover plate is used to cover the opening of the battery box, and the cover plate can be arranged above the battery cell 4 to cover the battery cell 4.

[0023] Specifically, the pre-compression plate is installed between the pad 3 and the battery box 1. The pre-compression plate applies pressure to the battery cell 4 from the end and the side. The pad 3 installed between the pre-compression plate and the battery cell 4 increases the force-bearing area of ​​the battery cell and plays a role in protecting the battery cell.

[0024] In the present utility model, if Figure 3 As shown, the battery box 1 can be made of sheet metal. Further, the internal frame of the battery box 1 can be made of rectangular tubes welded together, and the external skin can be made of carbon steel plates.

[0025] In the present utility model, if Figure 4-5 As shown, according to a specific example of the utility model, the end pre-compression plate 5 or the side pre-compression plate 6 includes: a support plate 11; a side limiting structure 12 and an end limiting structure 13 arranged on the support plate 11, the side limiting structure 11 and the end limiting structure 13 constitute a limiting groove, and the limiting groove includes a plurality of; a spring 14, the spring 14 is arranged in the limiting groove and a gap is left between the spring 14 and the limiting groove, and the spring 14 can slide in the limiting groove.

[0026] Specifically, a gap is left between the spring 14 and the side limiting structure 11 so that the spring 14 can slide in the limiting groove, and the end of the spring 14 can slide during the deformation process under force.

[0027] In the present invention, the springs of the end pre-compression plate 5 and the side pre-compression plate 6 are consistent. Compared with the end pre-compression plate 5, the side pre-compression plate 6 can be provided with fewer limit grooves and springs, for example, only three limit grooves and springs.

[0028] Furthermore, if Figure 6 As shown, the spring 14 can be formed by bending a spring steel plate and subjected to appropriate heat treatment.

[0029] In summary, according to the module-free energy storage battery standard box of the embodiment of the utility model, a certain pressure is applied to the battery cell through the pre-pressure plate. The friction generated by the pressure prevents the battery cell from moving among the liquid cooling plate and the battery box, thereby ensuring that the battery maintains a stable appearance during transportation and operation, and improving the reliability of the battery cell. There is no need to add a structure to fix the battery cell in the vertical direction, and no module assembly tooling is required. Not only is the assembly process simple, but the size is also small, which can make the energy storage battery lighter, safer, and have a higher energy density.

[0030] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. 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 utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0033] In addition, each functional unit in each embodiment of the utility model can be integrated into a processing module, or each unit can exist physically separately, or two or more units can be integrated into one module. The above-mentioned integrated module can be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it can also be stored in a computer-readable storage medium.

[0034] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A module-free energy storage battery standard box, characterized in that: include: A battery box, one side of which is open; A liquid cooling plate, the liquid cooling plate being placed in the battery box from the opening direction of the battery box; A backing plate, the backing plate comprising four side walls, and the backing plate is embedded in the battery box from the opening direction of the battery box; A battery cell, the battery cell being placed in the pad from the opening direction of the battery box; An end pre-compression plate, the end pre-compression plate is arranged between the side plate of the battery box and the pad, and the end pre-compression plate is used to apply pressure to the battery cell from the end; A side pre-compression plate, the side pre-compression plate is arranged between the side panel of the battery box and the pad, and the side pre-compression plate is used to apply pressure to the battery cell from the side; A cover plate is used to cover the opening of the battery box.

2. The module-free energy storage battery standard box according to claim 1, characterized in that: The battery box adopts a sheet metal structure.

3. The module-free energy storage battery standard box according to claim 2, characterized in that: The internal frame of the battery box is welded with rectangular tubes, and the external skin is made of carbon steel plates.

4. The module-free energy storage battery standard box according to claim 1, characterized in that: The end pre-compression plate or the side pre-compression plate comprises: Support plate; A side limiting structure and an end limiting structure are arranged on the support plate, wherein the side limiting structure and the end limiting structure constitute a limiting groove, and the limiting groove includes a plurality of limiting grooves; A spring is arranged in the limiting groove with a gap between the spring and the limiting groove, and the spring can slide in the limiting groove.

5. The module-free energy storage battery standard box according to claim 4, characterized in that: The spring is formed by bending a spring steel plate.

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