CN210006794U

CN210006794U - Household energy storage lithium battery pack box

Info

Publication number: CN210006794U
Application number: CN201921072887.XU
Authority: CN
Inventors: 刘巍; 王聪; 张天赐; 陈中华; 王宝成
Original assignee: Hubei Lithium Nuo Amperex Technology Ltd
Current assignee: Hubei Lithium Nuo Amperex Technology Ltd
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-01-31
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses an domestic energy storage lithium cell package box, belong to domestic energy storage equipment technical field, it includes end open-ended lower box, with the supporting upper cover plate that sets up of lower box and be located the module more than in the box, the inboard of upper cover plate is equipped with strengthening rib and the second strengthening rib of mutual vertical range, strengthening rib, all be equipped with the through-hole that supplies the bolt to pass on the second strengthening rib, the outside border of upper cover plate still is equipped with the arc that is used for settling the bolt more than 1 and crosses the aqueduct, every module is including piling up the end cover board that becomes the body, be located the soft package of lithium cell between the end cover board and the working of plastics between per two soft package lithium cells, every two adjacent working of plastics link to each other with the buckle mode, end cover board and upper cover plate bolted connection, the utility model discloses a package box, not only bearing capacity is stronger, and inside sets up the miniature energy storage module more than , can guarantee that whole.

Description

Household energy storage lithium battery pack box

Technical Field

The utility model relates to an energy storage battery belongs to lithium cell technical field, specifically relates to kinds of domestic lithium cell package box.

Background

The energy storage battery is auxiliary electricity storage devices for a household energy storage system, when the energy generated by a solar photovoltaic array is excessive, the redundant energy can be stored in the energy storage battery, and when the external load needs to consume more energy, the energy originally stored in the battery can be released and supplied to the external load.

The lithium ion battery is composed of a positive current collector, electrolyte, a diaphragm, a positive electrode, a negative current collector and the like, and mainly has the characteristics of high energy density, high working voltage, environmental friendliness, no pollution, no memory effect and the like.

The battery cabinet as a management energy storage battery system generally comprises a standardized battery module, a battery management system and other components, and as a packaging box body of a household energy storage lithium ion battery, it needs to have a stronger bearing capacity for the internal standardized battery module in the aspect of , and in addition, the problem of box body deformation caused by self gravity needs to be avoided in the aspect of .

Disclosure of Invention

In order to solve the technical problem, the utility model provides a domestic energy storage lithium cell package box that bearing capacity is stronger sets up the miniature energy storage module more than simultaneously in this lithium cell package box, can guarantee that whole energy storage equipment possesses great capacity.

In order to achieve the purpose, the utility model discloses an domestic lithium cell package box, it includes end open-ended lower box, with the supporting upper cover plate that sets up of lower box and be located the interior module more than of box, the inboard of upper cover plate is equipped with strengthening rib and the second strengthening rib of mutual vertical arrangement, all be equipped with the through-hole that supplies the bolt to pass on strengthening rib, the second strengthening rib, the outside border of upper cover plate still is equipped with more than 1 arc transition groove that is used for settling the bolt;

each module comprises end cover plates stacked into bodies, soft-package lithium batteries located between the end cover plates and plastic parts located between every two soft-package lithium batteries, every two adjacent plastic parts are connected in a buckling mode, the end cover plates are connected with the upper cover plate through bolts, bolt holes are formed in the edges of the end cover plates, and the bolts sequentially penetrate through the bolt holes and through holes in the reinforcing ribs and the second reinforcing ribs, so that the modules are fixedly connected with the upper cover plate.

, the upper cover plate is also provided with a groove for accommodating the sealing ring.

, the outer side wall of the upper cover plate is provided with an exhaust hole for heat dissipation.

step by step, the bolt passes the arc and crosses the aqueduct and is connected upper cover plate and lower box promptly the utility model discloses aspect guarantee the upper cover plate and be connected with dismantling between the lower box, aspect in addition for guaranteeing the firm form of inside module group and whole package box in the operation process, still be equipped with the sealing washer between the contact surface of upper cover plate and lower box, preferred, the sealing washer is rubber seal.

, the outer side wall of the lower box body is provided with a hook and a wall hanging plate, wherein the hook is fixedly connected on the lower box body through the wall hanging plate.

, the outer side wall of the lower box body is also provided with a third reinforcing rib.

, a th notch is provided at the end of the upper cover , and a second notch matching with the th notch is also provided at the end of the lower box .

, each plastic piece is also provided with an aluminum bus bar for connecting the soft package lithium battery.

, each die set surface is provided with aluminum press bar for fixing.

Drawings

FIG. 1 is a perspective view of a lithium battery pack case according to the present invention;

FIG. 2 is a perspective view of a lithium battery pack case according to the present invention;

FIG. 3 is a partially enlarged schematic view of a connection relationship between the case cover and the case body in FIG. 1;

FIG. 4 is a schematic structural view of the case cover of FIG. 1;

FIG. 5 is a partially enlarged schematic view of FIG. 4;

FIG. 6 is a schematic structural diagram of a single module;

FIG. 7 is a schematic structural view of the plastic part of FIG. 6;

FIG. 8 is a schematic structural view of the upper cover plate with a plurality of modules disposed therein;

wherein, each part in fig. 1 to 8 is numbered as follows:

lithium battery pack case 1 (wherein: upper cover plate 1.1 (wherein: exhaust hole 1.10, groove 1.11, th notch 1.12, th reinforcing rib 1.13, second reinforcing rib 1.14, through hole 1.15, arc transition groove 1.16, aluminum pressing strip 1.17, BMS mounting plate 1.18, electrical appliance mounting plate 1.19), lower case 1.2 (wherein: third reinforcing rib 1.21, hook 1.22, wall hanging plate 1.23, second notch 1.24), seal ring 1.3, module 1.4 (plastic part 1.41, aluminum confluence piece 1.4a, buckle 1.4b, clamping groove 1.4c, end cover plate 1.42, soft pack lithium battery 1.43)).

Has the advantages that:

the utility model discloses a package box not only conveniently settles, and the structure is firm moreover, can bear stronger outside and internal action power to inside sets up the miniature energy storage module more than , can guarantee that whole energy storage equipment possesses great capacity.

Detailed Description

For better explanation of the present invention, the main contents of the present invention will be further illustrated in below with reference to specific examples, but the present invention is not limited to the following examples.

As shown in fig. 1 and 2, the utility model discloses an kinds of domestic lithium cell package box 1, it includes end open-ended lower box 1.2, with the supporting upper cover plate 1.1 that sets up of lower box 1.2 still is equipped with radiating exhaust hole 1.10 in upper cover plate 1.1's lateral surface lower box 1.2's lateral wall still is equipped with third strengthening rib 1.21, couple 1.22 and wall link plate 1.23, and wherein, couple 1.22 and wall link plate 1.23 are located with the surface, wall link plate 1.23 makes couple 1.22 fixed connection on lower box 1.2, and third strengthening rib 1.21 then guarantees lower box 1.2 non-deformable all around.

As shown in fig. 4, th reinforcing ribs 1.13 and second reinforcing ribs 1.14 which are vertically arranged with each other are arranged on the inner side of the upper cover plate 1.1, through holes 1.15 for bolts to pass through are arranged on the th reinforcing ribs 1.13 and the second reinforcing ribs 1.14, more than 1 arc transition groove 1.16 for installing bolts is arranged on the outer side edge of the upper cover plate 1.1, and as can be seen from fig. 4 and 5, the bolts pass through the arc transition grooves 1.16 to connect the upper cover plate 1.1 with the lower box 1.2, namely, the detachable connection between the upper cover plate 1.1 and the lower box 1.2 is ensured, in addition, , as can be seen from fig. 3, a groove 1.11 for accommodating a sealing ring 1.3 is further arranged on the upper cover plate 1.1, preferably, the width of the groove 1.11 is 2.5mm, the depth is 1.25mm, the sealing ring 1.3 can ensure the whole packing box 1 is in the operation process, and the sealing ring 1.3 is preferably, and the rubber sealing ring is stable.

As can be seen from fig. 4, the th reinforcing rib 1.13 and the second reinforcing rib 1.14 vertically arranged with each other enclose a micro-section for accommodating the module 1.4.

As shown in fig. 6, each of the modules 1.4 includes an end cover plate 1.42 stacked into , soft-packed lithium batteries 1.43 located between the end cover plates 1.42, and plastic parts 1.41 located between every two soft-packed lithium batteries 1.43, wherein bolt holes are also provided at the edge of the end cover plate 1.42, and screws sequentially pass through the bolt holes and the through holes 1.15 on the reinforcing ribs 1.13 and the second reinforcing ribs 1.14, so as to fixedly connect the module 1.4 and the upper cover plate 1.1, and meanwhile, the modules 1.4 are connected in series by copper bars at .

As shown in fig. 7, the upper end and the lower end of each plastic part 1.41 are provided with a buckle 1.4b and a clamping groove 1.4c, and every two adjacent plastic parts 1.41 are connected in a buckling manner; each plastic part 1.41 is also provided with an aluminum bus bar 1.4a for connecting the soft package lithium battery 1.43. Particularly, the lug of the soft package lithium battery 1.43 is connected with the aluminum bus sheet 1.4a, so that smooth transfer of electrons is realized.

Referring to fig. 8, after more than modules 1.4 are placed on the inner side of the upper cover plate 1.1, aluminum pressing strips 1.17 for fixing are arranged on the surface of each module 1.4, and a BMS mounting plate 1.18 and an electrical appliance mounting plate 1.19 are further arranged between the modules, so that normal charging and discharging of the internal soft package lithium battery 1.43 are ensured.

The above examples are merely preferred examples and are not intended to limit the embodiments of the present invention. In addition to the above embodiments, the present invention has other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims

1, household lithium battery pack box body, which comprises a lower box body with an opening at end, an upper cover plate matched with the lower box body and more than modules positioned in the box body, wherein the inner side of the upper cover plate is provided with a th reinforcing rib and a second reinforcing rib which are vertically arranged, the th reinforcing rib and the second reinforcing rib are both provided with through holes for bolts to pass through, and the edge of the outer side of the upper cover plate is also provided with more than 1 arc-shaped transition groove for arranging the bolts;

each module comprises end cover plates stacked into an body, lithium battery soft packages positioned between the end cover plates and plastic parts between every two lithium battery soft packages, every two adjacent plastic parts are connected in a buckling mode, and the end cover plates are connected with the upper cover plate through bolts.

2. A household lithium battery pack case as claimed in claim 1, wherein: the upper cover plate is also provided with a groove for accommodating the sealing ring.

3. A household lithium battery pack case as claimed in claim 1, wherein: the outer side wall of the upper cover plate is provided with an exhaust hole for heat dissipation.

4. A household lithium battery pack case as claimed in claim 1, wherein: the bolt passes through the arc transition groove to connect the upper cover plate with the lower box body.

5. The household lithium battery pack box as claimed in any of claims 1-4, wherein the outer side wall of the lower box is provided with a hook and a wall hanging plate.

6. The household lithium battery pack box as claimed in any of claims 1-4, wherein a third reinforcing rib is further provided on the outer side wall of the lower box.

7. The case body of claim , wherein the upper cover plate has a th notch and the lower case body has a second notch matching with the th notch.

8. The household lithium battery pack box as claimed in any of claims 1-4, wherein each plastic part is further provided with an aluminum bus bar for connecting the lithium battery pack.

9. The household lithium battery pack box as claimed in any of claims 1 to 4, wherein an aluminum bead for fixing is provided on the surface of each module.