CN220672770U - Blade aluminum shell battery module - Google Patents

Abstract

The utility model relates to the technical field of blade battery modules, in particular to a blade aluminum shell battery module. Including lower box, stop gear and last box, a plurality of first wiring holes of group have been seted up to a lateral wall of lower box, the mounting hole has all been seted up to the both sides wall of lower box, stop gear's both sides wall equal threaded connection has the mounting bolt, through making first electrode wire pass fourth wiring hole and second wiring hole, and with first conductive block electric connection, make the anodal electric connection of first electrode wire and a plurality of group blade battery body, through making the second electrode wire pass corresponding a set of first wiring hole and third wiring hole, make the negative electrode electric connection of second electrode wire and a plurality of group blade battery body, make the number of this blade battery module can adjust blade battery body wantonly, and make things convenient for the dismantlement and the installation of blade battery body.

Description

Blade aluminum shell battery module

Technical Field

The utility model belongs to the technical field of blade battery modules, and particularly relates to a blade aluminum shell battery module.

Background

Thin and long blade batteries have been widely put into the market, and the blade batteries have the advantages of good heat radiation capability, high safety performance, no open flame or smoke during needling, and difficult thermal runaway; the space is also saved, the modules can be skipped when the modules are grouped, the volume utilization rate is greatly improved, and more battery cells are arranged in the same space. Compared with the traditional battery pack, the volume utilization rate of the blade battery is improved by more than 50%, and the endurance mileage of the blade battery is greatly improved.

Through searching, in the prior art, chinese application number: CN202223121562.0, filing date: 2022-11-23 discloses a blade cell module and a blade battery, wherein at least one end face in the length direction and/or at least one side face in the width direction of the blade cell module are provided with reinforcing parts. The reinforcing part can improve the rigidity and strength of the blade cell module, ensure the stability of the whole structure of the blade cell module and improve the mode. When the random vibration test is carried out, the local part of the blade cell module is not easy to crack and fail, so that the blade cell module is ensured not to scatter. Even if the stacking direction is unfavorable, the rigidity of the cell module can be ensured so that the cell module meets the test requirement and the later-stage use requirement

The device still has the following drawbacks: although the rigidity of electric core module can be ensured to make electric core module accord with test requirement and later stage operation requirement, but this electric core module can't adjust the quantity of electric core at will in order to satisfy different power supply demands, and accomplish the inconvenient dismantlement and the installation to electric core after the equipment, the practicality is relatively poor.

Disclosure of Invention

The utility model provides a blade aluminum shell battery module which comprises a lower box body, a limiting mechanism and an upper box body, wherein one side wall of the lower box body is provided with a plurality of groups of first wiring holes, a plurality of groups of blade battery bodies are movably clamped in the limiting mechanism, the two ends of each group of blade battery bodies are respectively provided with a pole, one group of pole is a positive pole, and the other group of pole is a negative pole;

the limiting mechanism comprises a limiting block, a plurality of groups of clamping grooves are formed in the limiting block, the clamping grooves are movably clamped with the blade battery bodies, a second wiring hole is formed in the limiting block, one group of clamping grooves are fixedly connected with first conductive blocks at the end parts, two adjacent groups of clamping grooves are fixedly connected with second conductive blocks, and the second conductive blocks are electrically connected with the blade battery bodies of two adjacent groups respectively, and two adjacent groups of clamping grooves are fixedly connected with third conductive blocks at one side inner walls.

Further, the mounting holes are formed in two side walls of the lower box body, the mounting bolts are connected with two side walls of the limiting mechanism in a threaded mode, two groups of the mounting bolts are connected with two groups of the mounting holes in a threaded mode respectively, a fourth wiring hole is formed in one side wall of the lower box body, and the fourth wiring hole and the first wiring holes of the groups are located on two opposite side walls respectively.

Further, the inner wall bottom of going up the box is laminated with the activity of a plurality of groups blade battery body's top, a plurality of groups of heat dissipation grooves have all been seted up to the top and the lateral wall of going up the box, the equal fixedly connected with second connecting block of both sides wall of going up the box, two sets of equal threaded connection has connecting bolt on the second connecting block, two sets of connecting bolt respectively with two sets of first connecting block threaded connection.

Further, the second wiring hole is communicated with the group of clamping grooves, and the first conductive block is electrically connected with the positive pole of the blade battery body.

Further, the structures of the third conductive blocks and the second conductive blocks are the same in size, the third conductive blocks penetrate through the inner walls of the two adjacent clamping grooves respectively, and a second electrode wire is electrically connected to the third conductive blocks.

Further, the first conductive block is electrically connected with a first electrode wire, and the first electrode wire is movably attached to the inner walls of the second wiring hole and the fourth wiring hole.

Further, a plurality of groups of third wiring holes are formed in one side wall of the limiting block, the plurality of groups of third wiring holes are respectively in one-to-one correspondence with the plurality of groups of first wiring holes, and the second electrode lead is movably attached to the inner wall of the corresponding group of third wiring holes and the inner wall of the first wiring holes.

Further, a first conductive groove is formed in the first conductive block, and the first conductive groove is movably clamped with the positive electrode electric column of the blade battery body.

Further, a second conductive groove is formed in the second conductive block, the second conductive groove is movably clamped with the negative electrode electric column of the battery body of the group of blades, a third conductive groove is formed in the second conductive block, and the third conductive groove is movably clamped with the positive electrode electric column of the battery body of the adjacent group of blades.

The beneficial effects of the utility model are as follows:

1. the blade battery body is inserted into the clamping groove, the positive electrode electric posts and the negative electrode electric posts of the two adjacent blade battery bodies are electrically connected through the second conductive block and the third conductive block, the first electrode wire passes through the fourth wiring hole and the second wiring hole and is electrically connected with the first conductive block, the first electrode wire is electrically connected with the positive electrodes of the blade battery bodies, the second electrode wire passes through the corresponding first wiring hole and the third wiring hole, the second electrode wire is electrically connected with the negative electrodes of the blade battery bodies, the number of the blade battery bodies can be adjusted randomly by the blade battery module, and the disassembly and the installation of the blade battery bodies are facilitated.

2. Through making connecting bolt carry out threaded connection to first connecting block and second connecting block, make last box and lower box fix and protect blade battery body, through offer a plurality of groups of radiating grooves on last box, make things convenient for blade battery body working in-process to dispel the heat, through making a plurality of groups of blade battery body joint respectively in the inside of a plurality of groups of joint grooves, avoid contact extrusion to lead to damaging between a plurality of groups of blade battery body, and improved battery module's radiating effect.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 illustrates an exploded view of a body structure according to an embodiment of the present utility model;

FIG. 2 illustrates a top cross-sectional view of a lower housing according to an embodiment of the present utility model;

FIG. 3 illustrates a top cross-sectional view of a spacing mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a first conductive block structure according to an embodiment of the present utility model;

fig. 5 shows a schematic diagram of a second conductive block structure according to an embodiment of the present utility model.

In the figure: 1. a lower box body; 2. a first wiring hole; 3. a mounting hole; 4. a first connection block; 5. a limiting mechanism; 51. a limiting block; 52. a clamping groove; 53. a second wiring hole; 54. a first conductive block; 541. a first conductive groove; 55. a second conductive block; 551. a second conductive groove; 552. a third conductive groove; 56. a third wiring hole; 57. a third conductive block; 6. installing a bolt; 7. a blade battery body; 8. a pole; 9. an upper case; 10. a heat sink; 11. a second connection block; 12. a connecting bolt; 13. and a fourth wiring hole.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.

The embodiment of the utility model provides a blade aluminum shell battery module which comprises a lower box body 1, a limiting mechanism 5 and an upper box body 9; as illustrated by way of example in fig. 1 and 2.

A plurality of groups of first wiring holes 2 are formed in one side wall of the lower box body 1, mounting holes 3 are formed in two side walls of the lower box body 1, two groups of mounting holes 3 are symmetrically distributed by taking a central axis of the lower box body 1 as a center, two groups of first connecting blocks 4 are fixedly connected to the lower box body 1, mounting bolts 6 are connected to two side walls of a limiting mechanism 5 in a threaded manner, two groups of mounting bolts 6 are respectively connected with the two groups of mounting holes 3 in a threaded manner, the limiting mechanism 5 is movably attached to the inner wall of the lower box body 1, a plurality of groups of blade battery bodies 7 are movably clamped in the limiting mechanism 5, polar posts 8 are arranged at two ends of the blade battery bodies 7, one group of polar posts 8 are positive polar posts, and the other group of polar posts 8 are negative polar posts;

the inner wall bottom of last box 9 and the top activity laminating of a plurality of group's blade battery body 7, a plurality of groups of heat dissipation grooves 10 have all been seted up to the top and the lateral wall of going up box 9, the equal fixedly connected with second connecting block 11 of both sides wall of going up box 9, two sets of equal threaded connection has connecting bolt 12 on the second connecting block 11, two sets of connecting bolt 12 respectively with two sets of first connecting block 4 threaded connection, fourth wiring hole 13 has been seted up to a lateral wall of lower box 1, fourth wiring hole 13 and a plurality of first wiring hole 2 of group are located relative both sides wall respectively.

The limiting mechanism 5 comprises a limiting block 51; as illustrated by way of example in fig. 3.

The limiting block 51 is movably attached to the inner wall of the lower case 1, a plurality of groups of clamping grooves 52 are formed in the limiting block 51, the plurality of groups of clamping grooves 52 are movably clamped with the plurality of groups of blade battery bodies 7 respectively, a second wiring hole 53 is formed in the limiting block 51, the second wiring hole 53 corresponds to the fourth wiring hole 13, the second wiring hole 53 is mutually communicated with one group of clamping grooves 52, a first conductive block 54 is fixedly connected to the end part of one group of clamping grooves 52, the first conductive block 54 is electrically connected with the positive pole of the blade battery body 7, a first electrode wire is electrically connected to the first conductive block 54, a second conductive block 55 is fixedly connected between the first electrode wire and the inner walls of the second wiring hole 53 and the fourth wiring hole 13, the plurality of groups of second conductive blocks 55 penetrate through the inner walls of the adjacent two groups of clamping grooves 52, the plurality of groups of second conductive blocks 55 are respectively connected with the adjacent two groups of blade battery bodies 7, and the first conductive blocks 55 are arranged on the same side walls of the first conductive blocks 54 and the second conductive blocks 54;

a plurality of third wiring holes 56 are formed in one side wall of the limiting block 51, the plurality of third wiring holes 56 are respectively in one-to-one correspondence with the plurality of first wiring holes 2, one side inner wall of each adjacent two groups of clamping grooves 52 is fixedly connected with a third conductive block 57, the plurality of groups of third conductive blocks 57 and the second conductive blocks 55 are the same in structural size, the plurality of groups of third conductive blocks 57 respectively penetrate through the inner walls of the adjacent two groups of clamping grooves 52, one group of third conductive blocks 57 are electrically connected with second electrode wires, the second electrode wires are movably attached to the corresponding groups of third wiring holes 56 and the inner walls of the first wiring holes 2, and the third conductive blocks 57 are respectively electrically connected with the adjacent two groups of blade battery bodies 7.

As illustrated by way of example in fig. 4 and 5.

The first conductive block 54 is provided with a first conductive groove 541, the first conductive groove 541 is movably clamped with the positive electrode of the blade battery body 7, the second conductive block 55 is provided with a second conductive groove 551, the second conductive groove 551 is movably clamped with the negative electrode of the blade battery body 7, the second conductive block 55 is provided with a third conductive groove 552, and the third conductive groove 552 is movably clamped with the positive electrode of the adjacent blade battery body 7.

The working principle of the blade aluminum shell battery module provided by the embodiment of the utility model is as follows:

the plurality of groups of blade battery bodies 7 are inserted into the clamping groove 52, positive and negative electrode electric posts of two adjacent groups of blade battery bodies 7 are electrically connected through the plurality of groups of second conductive blocks 55 and the plurality of groups of third conductive blocks 56, the first electrode wires pass through the fourth wiring holes 13 and the second wiring holes 53 and are electrically connected with the first conductive blocks 54, the first electrode wires are electrically connected with positive electrodes of the plurality of groups of blade battery bodies 7, the second electrode wires pass through the corresponding group of first wiring holes 2 and the corresponding group of third wiring holes 56, the second electrode wires are electrically connected with negative electrodes of the plurality of groups of blade battery bodies 7, the number of the blade battery bodies 7 can be adjusted at will by the blade battery module, and the blade battery bodies 7 can be electrically connected without wires, so that the blade battery bodies 7 with different numbers can be connected in series and supplied with power, and the disassembly and the installation of the blade battery bodies 7 are convenient.

Through making connecting bolt 12 carry out threaded connection to first connecting block 4 and second connecting block 11, make last box 9 and lower box 1 fix and protect blade battery body 7, through offer a plurality of groups of heat dissipation grooves 10 on last box 9, make things convenient for blade battery body 7 in-process to dispel the heat, through making a plurality of groups of blade battery body 7 joint respectively in the inside of a plurality of groups of joint grooves 52, avoid contact extrusion to lead to damaging between a plurality of groups of blade battery body 7, and improved battery module's radiating effect.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (8)

1. The utility model provides a blade aluminum hull battery module, includes box (1), stop gear (5) and last box (9), its characterized in that: a plurality of groups of first wiring holes (2) are formed in one side wall of the lower box body (1), mounting holes (3) are formed in two side walls of the lower box body (1), mounting bolts (6) are connected with two side walls of the limiting mechanism (5) in a threaded mode, two groups of mounting bolts (6) are connected with the two groups of mounting holes (3) in a threaded mode respectively, a plurality of groups of blade battery bodies (7) are movably clamped in the limiting mechanism (5), polar posts (8) are arranged at two ends of the blade battery bodies (7), one group of polar posts (8) are positive polar posts, and the other group of polar posts (8) are negative polar posts;

the limiting mechanism (5) comprises a limiting block (51), a plurality of groups of clamping grooves (52) are formed in the limiting block (51), the clamping grooves (52) are respectively and movably clamped with the blade battery bodies (7), a second wiring hole (53) is formed in the limiting block (51), a first conductive block (54) is fixedly connected to the end part of one group of the clamping grooves (52), a second conductive block (55) is fixedly connected between two adjacent groups of the clamping grooves (52), the second conductive blocks (55) are respectively and electrically connected with the blade battery bodies (7) of two adjacent groups, and a third conductive block (57) is fixedly connected to the inner wall of one side of the clamping groove (52) of two adjacent groups;

the third conductive blocks (57) and the second conductive blocks (55) have the same structure and size, the third conductive blocks (57) penetrate through the inner walls of the two adjacent clamping grooves (52) respectively, and a group of third conductive blocks (57) are electrically connected with a second electrode wire.

2. The blade aluminum case battery module according to claim 1, wherein: a fourth wiring hole (13) is formed in one side wall of the lower box body (1), and the fourth wiring hole (13) and the plurality of groups of first wiring holes (2) are respectively located on two opposite side walls.

3. The blade aluminum case battery module according to claim 1, wherein: the inner wall bottom of last box (9) is laminated with the top activity of a plurality of group's blade battery body (7), a plurality of groups of heat dissipation groove (10) have all been seted up to the top and the lateral wall of going up box (9), the equal fixedly connected with second connecting block (11) of both sides wall of going up box (9), two sets of equal threaded connection has connecting bolt (12) on second connecting block (11), two sets of connecting bolt (12) respectively with two sets of first connecting block (4) threaded connection.

4. The blade aluminum case battery module according to claim 1, wherein: the second wiring holes (53) are communicated with the group of clamping grooves (52), and the first conductive blocks (54) are electrically connected with the positive pole of the blade battery body (7).

5. The blade aluminum case battery module according to claim 4, wherein: the first conductive block (54) is electrically connected with a first electrode wire, and the first electrode wire is movably attached to the inner walls of the second wiring hole (53) and the fourth wiring hole (13).

6. The blade aluminum case battery module according to claim 1, wherein: a plurality of groups of third wiring holes (56) are formed in one side wall of the limiting block (51), the groups of third wiring holes (56) are respectively in one-to-one correspondence with the groups of first wiring holes (2), and the second electrode lead is movably attached to the inner walls of the corresponding groups of third wiring holes (56) and the corresponding groups of first wiring holes (2).

7. The blade aluminum case battery module according to claim 6, wherein: the first conductive block (54) is provided with a first conductive groove (541), and the first conductive groove (541) is movably clamped with the positive electrode electric column of the blade battery body (7).

8. The blade aluminum case battery module according to claim 1, wherein: the second conductive block (55) is provided with a second conductive groove (551), the second conductive groove (551) is movably clamped with the negative electrode electric column of the blade battery body (7), the second conductive block (55) is provided with a third conductive groove (552), and the third conductive groove (552) is movably clamped with the positive electrode electric column of the adjacent blade battery body (7).