CN219303896U

CN219303896U - Box structure of energy storage battery pack

Info

Publication number: CN219303896U
Application number: CN202320170721.1U
Authority: CN
Inventors: 姚旺; 邓光斌; 周惠民; 曾记东; 沈春红; 董彬
Original assignee: Zhejiang Boshi New Energy Technology Co ltd
Current assignee: Zhejiang Boshi New Energy Technology Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-07-04
Anticipated expiration: 2033-02-09

Abstract

The utility model relates to the field of secondary batteries, and particularly discloses a box body structure of an energy storage battery pack, wherein the box body comprises a box body, wherein a containing cavity for containing a plurality of battery monomers is formed in the box body, and adjacent battery monomers are electrically connected through an aluminum row; the box also comprises a preset bracket arranged at the upper opening of the box body; the preset support is provided with a containing groove corresponding to the space between adjacent battery monomers, and the aluminum row is fixedly preset in the containing groove. According to the utility model, the preset support is arranged to provide the preset position for the aluminum row, so that batch electric connection of the aluminum row and the battery cells is realized, the assembly efficiency of the battery pack is improved, and the assembly process of the battery pack is simplified.

Description

Box structure of energy storage battery pack

Technical Field

The utility model relates to the field of secondary batteries, in particular to an energy storage battery pack box structure for improving the assembly efficiency of battery monomers.

Background

The energy storage battery PACK is high-energy storage equipment, has long service life and is widely applied to the field of commercial energy storage.

In the prior art, the assembly process of the battery pack generally needs to sequentially put battery cells into the battery pack to be arranged and assembled into a battery module, then place aluminum bars and wires one by one to connect each battery cell, although there is a method for putting a plurality of battery cells in batches, such as a battery pack with the patent number of CN113140848A and a manufacturing method of the battery pack, when the battery cells are installed, the battery cells are stacked into a row and clamped into the row, after the battery cells are fixedly installed, the high-low voltage wire harness, the aluminum bars and the aluminum bars are installed, but the assembly steps when the aluminum bars are installed are still very complicated, and the assembly efficiency is low, so the utility model provides a novel box structure of the energy storage battery pack.

Disclosure of Invention

The utility model aims to solve the technical problem that in the prior art, when a battery pack is assembled, the assembly efficiency of a battery cell is low, and the energy storage battery pack box body with the preset bracket is provided, so that the battery cell is fixed at the preset position, and the assembly efficiency is improved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the box body comprises a box body, wherein a containing cavity for containing a plurality of battery monomers is formed in the box body, and adjacent battery monomers are electrically connected through an aluminum row; the box also comprises a preset bracket arranged at the upper opening of the box body; the preset support is provided with a containing groove corresponding to the space between adjacent battery monomers, and the aluminum row is fixedly preset in the containing groove. Adjacent battery monomers are connected through the aluminum row, the battery monomers connected through the aluminum row form a battery module, the opening of the box body is provided with a preset support which is used for providing a preset position for the aluminum row, the preset support is provided with a containing groove used for fixing the aluminum row, so that the purposes of connecting the aluminum row and the battery monomers are achieved, a plurality of aluminum rows are installed at the preset position of the preset support, batch positioning placement of the aluminum row can be achieved, further batch electric connection of the aluminum row and the battery monomers is achieved, and the assembly efficiency of a battery pack is improved.

Preferably, the holding groove is provided with the jack catch on opposite both sides in order to centre gripping the aluminium row, the jack catch carries out spacingly to the aluminium row in vertical to reach the holding groove and to the fixed purpose of aluminium row, and then connect the aluminium row with the battery monomer realizes aluminium row with the electric monomer's electric connection in batches.

Preferably, the claw is integrally formed on the side wall of the accommodating groove, so that the processing is convenient, the production cost is reduced, the strength of the claw is ensured, and the aluminum row is prevented from being separated from the claw.

Preferably, a ventilation separator is arranged between adjacent battery cells; the top end of the ventilation partition plate is provided with a locating pin, a locating groove part is arranged in the accommodating groove, and the locating pin penetrates through the locating groove part to be in locating connection with a corresponding locating hole on the aluminum row. The ventilating partition plate is used for guiding cooling air flow to cool the battery monomer, so that heat dissipation efficiency is improved, a locating pin is fixedly arranged at the top end of the ventilating partition plate, the locating pin can be fixedly connected with the locating hole on the aluminum row to locate the position of the aluminum row, and the ventilating partition plate is connected with the aluminum row, so that installation efficiency of the aluminum row is improved.

Preferably, the accommodating groove is further provided with a positioning structure corresponding to the aluminum row so as to position the aluminum row, the positioning structure corresponds to the position of the vertex of the aluminum row, and the aluminum row can be quickly adjusted in position during installation, so that the efficiency of assembling the battery pack is improved.

Preferably, the top of ventilation baffle still disposes the buckle that is used for accomodating the pencil, be provided with on the default support and allow the hold hole that the buckle worn out, battery monomer's pencil is restricted in the buckle prevents to arrange in disorder, mutual interference between the pencil.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. in the utility model, adjacent battery monomers are connected through the aluminum row, the opening of the box body is provided with the preset bracket, the preset bracket is provided with the accommodating groove for fixing the aluminum row, the preset bracket provides a preset position for the aluminum row, and the aluminum row and the battery monomers are electrically connected in batches by fixing a plurality of aluminum rows at the preset position of the preset bracket, so that the assembly efficiency of the battery pack is improved, and the assembly process of the battery pack is simplified.

2. In the utility model, the ventilation partition plates are arranged between adjacent battery monomers, the top ends of the ventilation partition plates are provided with the positioning pins, and the positioning pins are in positioning connection with the positioning holes on the aluminum row to position the aluminum row and fix the aluminum row, so that the assembly efficiency of the battery pack is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting of the present utility model.

FIG. 1 is a schematic diagram of a first embodiment of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic diagram of the structure shown at A in FIG. 2;

FIG. 4 is an exploded view of FIG. 2;

fig. 5 is a schematic structural view of the preset bracket.

Reference numerals:

1. a case body; 11. a receiving chamber; 2. a battery cell; 3. an aluminum row; 31. positioning holes; 4. presetting a bracket; 41. a receiving groove; 411. a claw; 412. a positioning structure; 42. a tolerance hole; 5. a ventilation partition; 51. a positioning pin; 52. and (5) a buckle.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Unless defined otherwise, technical or scientific terms used in this patent document should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a," "an," or "the" and similar terms do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used merely to denote relative positional relationships, which may be changed accordingly when the absolute position of the object being described is changed, merely to facilitate description of the present utility model and to simplify description, and not to indicate or imply that the apparatus or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.

Embodiment one:

referring to fig. 1 to 4, the present utility model provides a case structure of an energy storage battery pack, the case includes a case body 1 having a housing cavity 11 formed therein for accommodating a plurality of battery cells 2, the case body 1 is configured as a frame-shaped case, the housing cavity 11 formed in the case body 1 is also configured as a frame-shaped case, adjacent battery cells 2 are electrically connected through aluminum rows 3, in this embodiment, a group of battery modules is formed by 8 battery cells 2 in a row, the group of battery modules is configured with 8 aluminum rows 3 for connecting adjacent battery cells 2, two groups of battery modules are configured in the housing cavity 11, a boss for separating the two groups of battery modules is formed at the bottom of the housing cavity 11, and the boss is formed by the bottom of the housing cavity 11 being recessed inward; the utility model also comprises a preset bracket 4 arranged at the upper opening of the box body 1, wherein the preset bracket 4 is fixed at the upper end of the battery cell 2 and is parallel to the top surface of the battery cell 2; in the present embodiment, 16 accommodating grooves 41 corresponding to the adjacent battery cells 2 are formed in the preset support 4, the number of the accommodating grooves corresponds to the number of the aluminum rows 3, and the aluminum rows 3 are fixedly preset in the accommodating grooves 41. In addition, a reinforcing rib plate is arranged in the middle of the preset support 4 to improve the strength of the preset support 4.

The adjacent battery monomers 2 are connected through the aluminum row 3, the preset support 4 is arranged at the opening of the box body 1, the accommodating groove 41 is formed in the preset support 4 to fix the aluminum row 3, and batch electric connection of the aluminum row 3 and the battery monomers 2 is realized by fixing a plurality of aluminum rows 3 at the preset position of the preset support 4, so that the assembly efficiency of a battery pack is improved, and the assembly process of the battery pack is simplified.

As shown in fig. 3 and 5, claws 411 are provided on opposite sides of the receiving groove 41 to clamp the aluminum row 3, and in this embodiment, one claw 411 is provided on each of opposite sides of the receiving groove 41 to clamp the aluminum row 3, preventing the battery cell 2 from being detached from the preset bracket 4. Specifically, the claws 411 are integrally formed on the side wall of the accommodating groove 41, so that the production cost of the preset bracket 4 is reduced, and the claws 411 are positioned in the middle of the side wall, so that the stress of the aluminum row 3 is more uniform.

A ventilation partition board 5 is arranged between adjacent battery cells 2, the ventilation partition board 5 is used for guiding cooling air flow between the adjacent battery cells 2, in this embodiment, 18 ventilation partition boards 5 are arranged in the box body 1, two positioning pins 51 are arranged at the top end of each ventilation partition board 5, the positioning pins 51 are welded on the ventilation partition board 5, a positioning groove part is arranged in the accommodating groove 41, and the positioning pins 51 pass through the positioning groove part and are in positioning connection with corresponding positioning holes 31 on the aluminum row 3, and the connection mode is welding or threaded connection.

The accommodating groove 41 is further provided with a positioning structure 412 corresponding to the aluminum row 3, and the positioning structure 412 is arranged at two ends of the accommodating groove 41 and corresponds to two vertexes of the aluminum row 3 respectively so as to achieve the purpose of positioning the aluminum row 3.

As shown in fig. 2 and 3, the top of the ventilation partition 5 is further provided with a buckle 52 for accommodating a wire harness, the buckle 52 is configured in a hook shape, the preset bracket 4 is provided with a tolerance hole 42 for allowing the buckle 52 to penetrate out, and the wire harness penetrates out of the buckle 52.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The box body comprises a box body, wherein a containing cavity for containing a plurality of battery monomers is formed in the box body, and adjacent battery monomers are electrically connected through an aluminum row; the novel box is characterized by further comprising a preset bracket arranged at the upper opening of the box body; the preset support is provided with a containing groove corresponding to the space between adjacent battery monomers, and the aluminum row is fixedly preset in the containing groove.

2. The energy storage battery pack case structure of claim 1, wherein claws are provided on opposite sides of the receiving groove to clamp the aluminum row.

3. The energy storage battery pack case structure of claim 2, wherein the claw is integrally formed at a side wall of the receiving groove.

4. The energy storage battery pack case structure according to claim 1, 2 or 3, wherein a ventilation separator is provided between adjacent battery cells; the top end of the ventilation partition plate is provided with a locating pin, a locating groove part is arranged in the accommodating groove, and the locating pin penetrates through the locating groove part to be in locating connection with a corresponding locating hole on the aluminum row.

5. The energy storage battery pack case structure according to claim 1, 2 or 3, wherein a positioning structure corresponding to the aluminum row is further provided in the receiving groove.

6. The energy storage battery pack case structure according to claim 4, wherein a positioning structure corresponding to the aluminum row is further provided in the accommodating groove.

7. The energy storage battery pack case structure according to claim 4, wherein the top of the ventilation partition plate is further provided with a buckle for accommodating a wire harness, and the preset bracket is provided with a receiving hole for allowing the buckle to pass through.

8. The energy storage battery pack case structure according to claim 6, wherein the top of the ventilation partition plate is further provided with a buckle for accommodating a wire harness, and the preset bracket is provided with a receiving hole for allowing the buckle to pass through.