Battery pack with spliced modules

Abstract

The battery pack comprises a support, the support is of a frame-shaped structure, the support is provided with a containing groove, a first partition plate is arranged in the middle of the inner wall of the containing groove along the width of the containing groove, the containing groove is divided into a first cavity and a second cavity by the first partition plate, the front end of the support extends forwards to form a supporting arm, and the supporting arm is connected with the first partition plate. The side walls of the supports are provided with locking parts matched with the supporting arms, when the adjacent supports are mutually spliced, the supporting arms can stretch into the locking parts and enable the adjacent supports to be mutually locked, and a positioning cavity for installing a battery is defined by the first cavity and the second cavity. In actual production and assembly, the two support individuals are mutually spliced to complete positioning and coating of the lithium battery, so that collision of the lithium battery in use or transportation is reduced, in addition, in actual production, the production cost of a single support is lower, meanwhile, the type of the support does not need to be identified during assembly, the assembly convenience is effectively improved, and the production efficiency is improved. And the structure is simple and stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of energy storage battery, especially a battery pack of splicing module, BACKGROUND

[0002] Battery refers to the cup, tank or other container or composite container part space of containing electrolyte solution and metal electrode to produce electric current, can convert chemical energy into electric energy device, has the division of positive pole, negative pole. With the progress of science and technology, battery refers to the small device that can generate electric energy.

[0003] With the development of small energy storage battery, the assembly convenience and carrying convenience of the battery pack are also put forward higher requirement. The existing battery pack splicing generally adopts support to realize the combination of battery, for example, China patent 202323152484.5 adopts the structure of two supports splicing each other, thereby realizing the combination between battery packs, but the position direction needs to be confirmed when assembling adjacent lithium battery, at the same time, the relative cost is also higher.

[0004] With the development of outdoor energy storage or outdoor power supply, how to realize the miniaturization and convenience of the battery pack is the key of design. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a battery pack of splicing module, aiming at improving the existing battery pack structure, thereby realizing modular splicing, improving the use convenience and assembly convenience, providing more convenient and diversified selection for outdoor energy storage or outdoor power supply.

[0006] In order to realize the above purpose, the utility model provides a battery pack of splicing module, which comprises:

[0007] The support is in frame structure, the support is provided with containing groove, the inner wall of containing groove is provided with first partition plate along the middle part of its width, the first partition plate divides containing groove into first chamber and second chamber,

[0008] The front end of the support extends the support arm forward, the side wall of the support is provided with the locking part matched with the support arm,

[0009] When the adjacent supports are spliced with each other, the support arm can extend into the locking part and lock the adjacent supports with each other, and the first chamber and the second chamber form the positioning cavity for installing the battery.

[0010] In actual production and assembly, the positioning and cladding of lithium battery can be completed by splicing two support individuals with each other, thereby reducing the collision of lithium battery in use or transportation, and the production cost of single support is lower in actual production, and the type of support does not need to be identified during assembly, which effectively improves the assembly convenience, and the structure is simple and stable. Attached Figure Description

[0011] Figure 1 For the purpose of this utility model explosion Figure One ;

[0012] Figure 2 For the purpose of this utility model explosion Figure Two ;

[0013] Figure 3 3D illustration of the support frame Figure One ;

[0014] Figure 4 3D illustration of the support frame Figure Two ;

[0015] Figure 5 This is a cross-sectional view of the present invention;

[0016] Figure 6 This is a three-dimensional schematic diagram of the present invention.

[0017] In the picture,

[0018] 100 is a lithium battery.

[0019] 1 is the support, 10 is the receiving slot.

[0020] 2 is the first dividing plate, 21 is the first chamber, and 22 is the second chamber.

[0021] 31 is the support arm, 32 is the locking part, 331 is the locking hole, and 332 is the protrusion.

[0022] 4 is an arc-shaped hole, and 5 is a rib.

[0023] 6 is the positioning arm, 7 is the recessed hole.

[0024] 8 is the supporting leg.

[0025] 9 is the second dividing plate, and 90 is the cover plate. Detailed Implementation

[0026] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0027] It should be noted that if the embodiments of the utility model have directionality indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial), the directionality indication is only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indication also changes accordingly.

[0028] In addition, if the embodiments of the utility model have the description of "first" or "second", etc., the description of "first" or "second" is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one feature. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0029] As shown in Figures 1 to 6 A battery pack of splicing module comprises:

[0030] A support 1 is in a frame structure, the support 1 is provided with a containing groove 10, the inner wall of the containing groove 10 is provided with a first partition plate 2 along the middle part of its width, the first partition plate 2 divides the containing groove 10 into a first chamber 21 and a second chamber 22,

[0031] The front end of the support 1 extends a support arm 31 forward, the side wall of the support 1 is provided with a locking portion 32 matched with the support arm 31,

[0032] When the adjacent supports 1 are spliced with each other, the support arm 31 can extend into the locking portion 32 and lock the adjacent supports 1 with each other, and the first chamber 21 and the second chamber 22 enclose a positioning cavity for mounting batteries.

[0033] In actual production and assembly, the positioning and cladding of lithium batteries 100 can be completed by splicing two supports 1 individually, thereby reducing the collision of lithium batteries 100 in use or transportation, and additionally, the production cost of a single support 1 is lower in actual production, and the type of the support 1 does not need to be identified during assembly, effectively improving the assembly convenience, and the structure is simple and stable.

[0034] Specifically, the first partition plate 2 is in a plate structure or a hollow structure, when being in a plate structure, then the adjacent lithium batteries 100 are completely independent, and the sealing property is better.

[0035] When being a hollow structure, heat dissipation performance is better, and the problem of heat accumulation is effectively avoided.

[0036] In the embodiment of the utility model, the locking portion 32 is arranged on the inner wall or the outer wall of the support 1, the end of the support arm 31 is provided with a hook groove matched with the locking portion 32, the hook groove can extend into the locking portion 32, and the mutual splicing of the adjacent supports 1 is realized, and the structure is simple and stable.

[0037] Specifically, the hook groove is a clamping hole 331, the locking portion 32 is a horizontally extending protruding block 332, and of course the specific structure can be adjusted according to actual needs.

[0038] In the embodiment of the utility model, the front side wall and the rear side wall of the top wall of the support 1 are provided with symmetrically arranged arc-shaped holes 4, at least two arc-shaped holes 4 are distributed along the length direction thereof, and are respectively used for positioning and exposing the positive electrode end and the negative electrode end of the lithium battery 100, thereby realizing the assembly of the lithium battery 100, and at the same time, the electrode end forms a standardized position, facilitating the circuit connection of the battery pack, such as welding plate.

[0039] Specifically, the outer peripheral wall of the support 1 is provided with protruding rib strips 5, the rib strips 5 are distributed in a matrix, and the rib strips 5 not only play a supporting role, but also can play a good heat dissipation interval, reducing the problem of local heat accumulation.

[0040] In the embodiment of the utility model, the two ends of the upper wall of the support 1 are provided with upward extending positioning arms 6, and the two positioning walls are symmetrically arranged, the positioning arms 6 can play a role in protecting the copper strip, thereby improving the stability of installation.

[0041] Specifically, the side wall of the support 1 is provided with a recessed hole 7, and the recessed holes 7 are oppositely arranged to realize the function of fluid channel and play a passive heat dissipation role.

[0042] In the embodiment of the utility model, the support 1 is provided with a plurality of spaced supporting legs 8, which not only play a supporting role, but also can play a good air permeability, reducing the problem of bottom collision and abrasion.

[0043] Specifically, the support 1 is integrally injection molded by plastic, a plurality of supports 1 form a module, the front end and the rear end of the module are provided with cover plates 90, the support 1 is provided with a second dividing plate 9 along the length direction thereof, and the second dividing plate 9 is used for mounting a plurality of lithium batteries 100 along the length direction of the support.

[0044] The above merely describes preferred embodiments of the present application, and is not intended to limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the inventive concept of the present application, as described in the present application specification and drawings, is included in the patent protection scope of the present application.

Claims

1. A battery pack of tiled modules, characterized by, The application relates to a bracket for mounting lithium batteries. The bracket is in a frame structure, and is provided with a containing groove, the inner wall of the containing groove is provided with a first partition plate at the middle of the width of the containing groove, the first partition plate divides the containing groove into a first chamber and a second chamber, the front end of the bracket is provided with a supporting arm, the side wall of the bracket is provided with a locking part matched with the supporting arm, when the adjacent brackets are connected with each other, the supporting arm can be inserted into the locking part to lock the adjacent brackets, and the first chamber and the second chamber form a positioning chamber for mounting the batteries.

2. The battery pack of claim 1, wherein: The first partition plate is in a plate structure or a hollow structure.

3. The battery pack of claim 1, wherein: The locking part is arranged on the inner wall or the outer wall of the bracket, the end of the supporting arm is provided with a hook groove matched with the locking part, and the hook groove can be inserted into the locking part.

4. The battery pack of claim 3, wherein: The hook groove is a clamping hole, and the locking part is a horizontally-extended protruding block.

5. The battery pack of claim 1, wherein: The front side wall and the rear side wall of the top wall of the bracket are provided with symmetrically-arranged arc-shaped holes, at least two arc-shaped holes are arranged along the length direction of the arc-shaped holes, and the arc-shaped holes are respectively used for positioning and exposing the positive electrode end and the negative electrode end of the lithium battery.

6. The battery pack of claim 1, wherein: The outer peripheral wall of the bracket is provided with protruding ribs arranged in a matrix.

7. The battery pack of claim 1, wherein: The upper wall of the bracket is provided with two upwardly-extending positioning arms arranged at the two ends of the upper wall.

8. The battery pack of claim 1, wherein: The side wall of the bracket is provided with a recess hole.

9. The battery pack of claim 6, wherein: The bracket is provided with a plurality of spaced supporting legs.

10. The battery pack of claim 6, wherein: The bracket is integrally injection molded by plastic, a plurality of brackets form a module, the front end and the rear end of the module are provided with cover plates, the bracket is provided with a second partition plate along the length direction of the bracket, and the second partition plate is used for mounting a plurality of lithium batteries along the length direction of the bracket.

Images