CN220400791U

CN220400791U - Flexible package polymer lithium battery pack structure

Info

Publication number: CN220400791U
Application number: CN202322053031.0U
Authority: CN
Inventors: 谭平
Original assignee: Shenzhen Huiming New Energy Co ltd
Current assignee: Shenzhen Huiming New Energy Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-26
Anticipated expiration: 2033-08-02

Abstract

The utility model relates to the technical field of lithium battery packs, in particular to a flexible package polymer lithium battery pack structure which comprises a plurality of assembly frames which are integrally of U-shaped structures, wherein lithium batteries are arranged in the plurality of assembly frames. The utility model has the advantages that: lithium battery is put in the equipment frame of wholly forming U-shaped structure, all fixedly connected with bow board in the outside both sides of equipment frame, its cambered surface outwards, can press from both sides the fastening position by it to not unidimensional lithium battery, and both sides above the equipment frame all are provided with electrically conductive mount pad, fixedly connected with three fixed column on the electrically conductive mount pad, sliding connection has the connecting plate on the fixed column of meso position, and it has the spring to overlap on it, can be connected with the positive negative pole on the lithium battery by the connecting plate, rotate on the fixed column of one of them side and be connected with the bayonet socket board, the bayonet socket has been seted up on it with a fixed column joint on another connecting plate, can be in the same place two equipment frames, and still not influence electrically conductive, thereby can constitute the group battery with a plurality of lithium batteries.

Description

Flexible package polymer lithium battery pack structure

Technical Field

The utility model relates to the technical field of lithium battery packs, in particular to a flexible package polymer lithium battery pack structure.

Background

Along with the progress and development of science and technology, lithium batteries are an indispensable new energy source in various fields of national economy at present, and have been widely applied to fields of electric automobiles, electric bicycles, mobile phones, notebook computers, aerospace, military and the like, and according to the outer packing classification of lithium batteries, lithium batteries can be divided into hard shell lithium batteries and soft package lithium batteries, wherein the hard shell lithium batteries mainly comprise steel shell lithium batteries and plastic shell lithium batteries, and the lithium ion batteries mainly comprise: square, cylinder, flexible package polymer battery, flexible package lithium battery mainly includes plastic-aluminum membrane flexible package lithium battery and abnormal shape flexible package lithium battery, and wherein flexible package polymer lithium ion battery has been used widely in various fields because of its design flexibility, security performance is good, heat conduction electric conduction performance is good, adaptation temperature is wide, but advantages such as heavy current charge and discharge.

The battery is generally fixedly connected in the existing flexible package polymer lithium battery pack, the battery pack is easy to damage in the use process, the battery pack cannot work normally, the battery is difficult to disassemble after being connected and assembled with the battery, maintenance is inconvenient, and serial-parallel connection among a plurality of batteries is also influenced.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a flexible package polymer lithium battery pack structure which effectively solves the defects of the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a flexible packaging polymer lithium battery pack structure, which includes a plurality of assembly frames having a U-shaped structure, wherein lithium batteries are disposed inside the plurality of assembly frames, bow plates are disposed on two sides of an outer portion of the plurality of assembly frames, the bow plates are propped against the lithium batteries, conductive mounting seats are disposed on two sides of an upper portion of the plurality of assembly frames, three fixing columns are fixedly connected to top surfaces of the plurality of conductive mounting seats, connecting plates capable of vertically reciprocating are disposed on the fixing columns of the plurality of middle positions, the connecting plates are electrically connected with pole columns of the lithium batteries, bayonet plates are rotatably connected to the fixing columns on any one side, and a plurality of heat dissipation plates are fixedly connected to the outer portion of the plurality of assembly frames.

By above-mentioned arbitrary scheme preferred, a plurality of the draw-in groove of array from top to bottom has all been seted up to the both sides of the outside open surface of equipment frame, a plurality of the outside both ends of bow board are located a plurality of respectively the inside of draw-in groove, and its arc section inwards, can realize the fixed mounting to the bow board through using this scheme, be convenient for assemble and dismantle it.

By any of the above schemes, it is preferable that a plurality of vent holes of a plurality of upper and lower arrays are formed on both sides of the outside of the assembly frame, and the heat dissipation effect of the assembly frame on the lithium battery can be improved by using the scheme.

By above-mentioned arbitrary scheme preferred, a plurality of the outside top of fixed column is all threaded connection has spacing cap, through the use this scheme can carry out spacingly to the part of installing on the fixed column, avoids the part to drop.

By any of the above schemes, preferably, springs are sleeved outside the fixing columns in the middle positions, and the springs are in a compressed state, so that the connecting plate can be in close contact with the pole column, and power failure is avoided.

By the above scheme, preferably, a plurality of bayonet plates are provided on one side of the outer ends thereof, the sizes of the bayonet plates are matched with the sizes of the fixing posts, and the plurality of conductive mounting seats can be combined together by using the scheme to form a battery pack from a plurality of lithium batteries.

The utility model has the following advantages:

1. this flexible package polymer lithium cell group structure, the lithium cell is put in the equipment frame of whole U-shaped structure, all fixedly connected with bow board in the outside both sides of equipment frame, its cambered surface outwards, can press from both sides the fastening position by its not unidimensional lithium cell, and both sides above the equipment frame all are provided with electrically conductive mount pad, fixedly connected with three fixed column on the electrically conductive mount pad, sliding connection has the connecting plate on the fixed column in meso position, and it has the spring to overlap, can be connected with the positive negative pole on the lithium cell by the connecting plate, rotate on the fixed column of one of them side and be connected with the bayonet socket board, set up the bayonet socket on it, bayonet socket and another fixed column joint on the connecting plate, can be in the same place two equipment frames, and still not influence electrically conductive, therefore can constitute the group battery with a plurality of lithium cells.

2. This flexible package polymer lithium cell group structure has all seted up a plurality of ventilation holes of upper and lower array in the outside both sides of equipment frame, can make the air pass, takes away certain heat, and wherein, all fixedly connected with a plurality of heating panels in the both sides of equipment frame surface, the area of contact between multiplicable equipment frame and air, the equipment frame that makes has better radiating effect, reduces the inside heat accumulation of group battery.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of the overall structure of the assembly rack of the present utility model;

fig. 4 is a schematic structural view of the assembled state of the bayonet plate and the connecting plate with the conductive mounting base in the present utility model.

In the figure: the lithium battery comprises a 1-assembly frame, a 2-lithium battery, a 3-bow plate, a 4-conductive mounting seat, a 5-bayonet plate, a 6-connecting plate, a 7-spring, an 8-heat dissipation plate, a 9-clamping groove, 10-vent holes, 11-fixing columns, 12-bayonet and 13-limit caps.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1 to 4, a flexible package polymer lithium battery pack structure comprises a plurality of assembly frames 1 which are integrally in a U-shaped structure, wherein lithium batteries 2 are arranged in the assembly frames 1, bow plates 3 are arranged on two sides of the outer parts of the assembly frames 1 and are respectively propped against the lithium batteries 2, conductive mounting seats 4 are arranged on two sides above the assembly frames 1, three fixing columns 11 are fixedly connected to the top surfaces of the conductive mounting seats 4, connecting plates 6 capable of vertically reciprocating are arranged on the fixing columns 11 in a plurality of middle positions and are electrically connected with pole columns of the lithium batteries 2, bayonet plates 5 are respectively connected to the fixing columns 11 on any side in a rotating mode, and a plurality of heat dissipation plates 8 are respectively connected to the fixing columns 11 on any other side in a clamping mode.

The two sides of the external opening surface of the assembly frames 1 are provided with a plurality of clamping grooves 9 which are arrayed up and down, two ends of the external part of the bow plates 3 are respectively positioned in the clamping grooves 9, and the arc sections of the bow plates are inward.

A plurality of vent holes 10 are formed in the two sides of the outer part of the assembly frame 1, and as an alternative technical scheme of the utility model, the positions of the vent holes 10 can be referred to the following drawings to ensure that air on the two sides of the assembly frame 1 can flow, so that heat in the assembly frame 1 can be conveniently taken out, and heat accumulation is reduced.

The limiting caps 13 are connected to the upper portions of the outer portions of the fixing columns 11 in a threaded mode, and as an alternative technical scheme of the utility model, the limiting caps 13 in threaded connection are convenient to assemble and disassemble, and the positions of the components can be limited.

The springs 7 are sleeved outside the fixing columns 11 in the middle positions, and the springs 7 are in a compressed state, so that the connecting plate 6 is always in a lower position by the springs 7 in the compressed state to ensure that the connecting plate 6 is in contact with the poles of the lithium batteries 2, and the conductive mounting seats 4 are in contact to form a conductive path, so that the series-parallel connection of the lithium batteries 2 is realized.

The bayonet 12 is formed on one side of the outer ends of the bayonet plates 5, the sizes of the bayonet 12 are matched with the sizes of the fixing columns 11, and as an alternative technical scheme of the utility model, the sizes of the bayonet 12 can be slightly smaller than the sizes of the fixing columns 11, so that a compact clamping connection is formed between the bayonet 12 and the fixing columns, the falling-off of the bayonet plates 5 is avoided, the power failure of the battery pack is caused, the normal use of the battery pack is influenced, and the bayonet plates 5 can be made of materials with better conductivity, so that the conductive mounting seats 4 can be electrically connected.

In summary, the lithium battery 2 is placed in the assembly frame 1 with the integrally formed U-shaped structure, the two sides outside the assembly frame 1 are fixedly connected with the bow plate 3, the cambered surfaces of the bow plate are outwards, the lithium battery 2 with different sizes can be clamped and fastened by the bow plate, the two sides above the assembly frame 1 are respectively provided with the conductive mounting seat 4, the conductive mounting seats 4 are fixedly connected with the three fixing columns 11, the middle fixing columns 11 are slidably connected with the connecting plate 6, the springs 7 are sleeved on the connecting plate 6 and connected with the positive electrode and the negative electrode on the lithium battery 2, the bayonet plates 5 are rotatably connected on the fixing columns 11 on one side of the connecting plate, the bayonet plates 12 are clamped with one fixing column 11 on the other connecting plate 6, the two assembly frames 1 can be combined together, and conduction is not influenced, therefore, a plurality of lithium batteries 2 can be assembled, the two sides outside the assembly frame 1 are respectively provided with a plurality of upper and lower array ventilation holes, air can pass through the three fixing columns, a certain amount of heat can be taken away, the heat dissipation effect can be reduced compared with the heat dissipation effect of the assembly frame 1, and the heat dissipation effect of the assembly frame 1 can be increased, and the heat dissipation effect can be reduced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flexible package polymer lithium battery pack structure, characterized in that: including a plurality of wholly for equipment frame (1) of U-shaped structure, a plurality of the inside of equipment frame (1) all is provided with lithium cell (2), and is a plurality of all be provided with bow board (3) on the both sides of equipment frame (1) outside, it all holds up lithium cell (2), a plurality of the both sides of equipment frame (1) top all are provided with electrically conductive mount pad (4), a plurality of the top surface of electrically conductive mount pad (4) is all fixedly connected with three fixed column (11), and a plurality of meso position all be provided with connecting plate (6) that reciprocate from top to bottom on fixed column (11), its all with the utmost point post electric connection of lithium cell (2), all rotate on fixed column (11) of any one side and be connected with bayonet socket board (5), and respectively with the outside of arbitrary opposite side all fixedly connected with a plurality of heating panel (8).

2. The flexible package polymer lithium battery pack structure of claim 1, wherein: a plurality of clamping grooves (9) which are arrayed up and down are formed in two sides of the outer opening surface of the assembly frame (1), two ends of the outer portion of the bow plate (3) are respectively located in the clamping grooves (9), and the arc sections of the bow plate are inwards.

3. The flexible package polymer lithium battery pack structure of claim 2, wherein: a plurality of vent holes (10) which are arrayed up and down are formed in two sides of the outer part of the assembly frame (1).

4. A flexible package polymer lithium battery pack structure according to claim 3, wherein: and limiting caps (13) are connected with the upper parts of the outer parts of the fixing columns (11) in a threaded manner.

5. The flexible package polymer lithium battery pack structure of claim 4, wherein: the outside of the fixed column (11) in the middle positions is sleeved with springs (7), and the springs (7) are in a compressed state.

6. The flexible package polymer lithium battery pack structure of claim 5, wherein: one side of the outer ends of the bayonet plates (5) is provided with bayonets (12), and the sizes of the bayonets (12) are matched with the sizes of the fixing columns (11).