CN213845417U

CN213845417U - Connection structure of soft packet of polymer lithium cell group

Info

Publication number: CN213845417U
Application number: CN202023282277.8U
Authority: CN
Inventors: 胡凌
Original assignee: Wenling Jiuxin Iot Technology Co ltd
Current assignee: Wenling Jiuxin Iot Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-30
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of soft package lithium battery connecting structure, and discloses a connecting structure of a soft package polymer lithium battery pack, which comprises a soft package battery pack, wherein the outer sleeve of the soft package battery pack is provided with a connecting sleeve, the inner wall of the connecting sleeve is provided with a supporting framework, the front surface of the supporting framework is bonded with a soft cushion layer, the surface of the soft cushion layer is tightly attached to the outer wall of the soft package battery pack, the top surface of the connecting sleeve is provided with holes, the holes are arranged in a strip shape and are equidistantly distributed on the top surface of the connecting sleeve, one end of the bottom surface of the connecting sleeve is internally provided with a first magnetic block, the connecting sleeve is sleeved on the outer sleeve of the soft package battery pack, the outer wall surface of the connecting sleeve is provided with holes, the material of the connecting device is saved, the connecting device is more economic, and the holes arranged on the outer wall of the connecting sleeve are beneficial to heat dissipation of the soft package battery pack when the soft package battery pack is damaged, the connecting sleeve can not restrict the forming of the expansion package, and the structural design is more reasonable and safer.

Description

Connection structure of soft packet of polymer lithium cell group

Technical Field

The utility model belongs to the technical field of soft packet of lithium cell connection structure, concretely relates to connection structure of soft packet of polymer lithium cell group.

Background

The soft package lithium battery is only provided with a polymer shell on the liquid lithium ion battery; structurally, the aluminum-plastic film package is adopted, so that the soft package battery can blow and crack at most under the condition of potential safety hazard, and the soft package battery does not explode like a steel shell aluminum shell battery cell, and has the characteristics of light weight, large capacity, small internal resistance and flexible design.

The existing soft-package lithium battery pack is troublesome to disassemble, the connecting device is too complex, the soft-package lithium battery pack can not be continuously used after being disassembled, and the practicability is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connection structure of soft packet of polymer lithium cell group to current connecting device who proposes among the above-mentioned background art of solution is too complicated, inconvenient dismantlement, the problem of can't continue to use after dismantling moreover.

In order to achieve the above object, the utility model provides a following technical scheme: connection structure of polymer for soft package lithium cell group, including the group battery for soft package, the outside cover of group battery for soft package is equipped with the adapter sleeve, the support chassis is installed to the inner wall of adapter sleeve, the front surface of support chassis bonds and has the cushion layer, and the surface of cushion layer hugs closely together with the outer wall of group battery for soft package, the hole has been seted up to the top surface of adapter sleeve, the hole is established to the bar form, and the equidistance distributes at the top surface of adapter sleeve.

Preferably, a first magnetic block is installed inside one end of the bottom surface of the connecting sleeve, the bottom surface of the connecting sleeve is connected with a bottom cushion layer, a second magnetic block is installed at one end of the bottom cushion layer, and the first magnetic block is adsorbed on the surface of the second magnetic block.

Preferably, the top surface of bed course is equipped with the recess, the recess is hugged closely with the bottom surface of laminate polymer battery group.

Preferably, the connecting sheets are symmetrically arranged on the bottom surface of the soft package battery pack, and round sheets are welded on the outer wall surfaces of the connecting sheets at equal intervals.

Preferably, an electric wire protective sleeve is installed to one side of laminate polymer battery group, two battery lines are installed to the internally mounted of electric wire protective sleeve.

Preferably, a connecting block is installed at one end of the battery wire, and insulating blocks are installed on two sides of the first magnetic block and the second magnetic block.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an outside cover at soft-package battery group is equipped with the adapter sleeve, and the hole has been seted up on the outer wall surface of adapter sleeve, has still saved connecting device's material, and is more economical to the hole that the adapter sleeve outer wall was seted up helps soft-package battery group heat dissipation, and when soft-package battery group damaged, the adapter sleeve can not retrain its formation and rise the package, and structural design is more reasonable, safety.

(2) The utility model discloses a bottom at the adapter sleeve is provided with first magnetic path and second magnetic path, uses through the cooperation of first magnetic path and second magnetic path for the adapter sleeve forms an inclosed overall structure, and when dismantling, only need separate the first magnetic path of adapter sleeve one end and the intraformational second magnetic path of heelpiece, and it is simple to dismantle, and connecting device circulated use, more economic environmental protection.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a sectional view of the connecting sleeve of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

in the figure: 1-connecting blocks; 2-a wire protective sleeve; 3-connecting sleeves; 31-a support skeleton; 32-a cushion layer; 4-holes; 5-soft pack battery pack; 6-a battery wire; 7-a bottom cushion layer; 8-round piece; 9-connecting pieces; 10-an insulating block; 11-a groove; 12-a first magnetic block; 13-second magnetic block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: connection structure of polymer for soft package lithium cell group, including polymer for soft package lithium cell group 5, the outside cover of polymer for soft package lithium cell group 5 is equipped with adapter sleeve 3, supporting framework 31 is installed to the inner wall of adapter sleeve 3, supporting framework 31's front surface bonds there is cushion 32, and cushion 32's surface hugs closely together with polymer for soft package lithium cell group 5's outer wall, hole 4 has been seted up to adapter sleeve 3's top surface, hole 4 establishes to the bar form, and the equidistance distributes at adapter sleeve 3's top surface, hole 4 has been seted up through the top surface with adapter sleeve 3, make polymer for soft package lithium cell group 5 in the use, can dispel the heat through hole 4, avoid the high temperature, influence polymer for soft package lithium cell group 5's use.

Further, the bottom surface one end internally mounted of adapter sleeve 3 has first magnetic path 12, the bottom surface of adapter sleeve 3 is connected with bottom pad layer 7, second magnetic path 13 is installed to bottom pad layer 7's one end, and first magnetic path 12 adsorbs on the surface of second magnetic path 13, through adsorbing the magnetic path together, make adapter sleeve 3 form overall structure, connect laminate polymer battery group 5, adapter sleeve 3 adopts the silica gel material simultaneously, also protected laminate polymer battery group 5, and adapter sleeve 3 life is longer moreover, the steam generator is simple in structure, and is more economical.

Further, the top surface of base course 7 is equipped with recess 11, and recess 11 is hugged closely with laminate polymer battery pack 5's bottom surface, and base course 7 adopts the rubber material, and is stand wear and tear, has also avoided laminate polymer battery pack 5's outer wall to receive the extrusion simultaneously, influences the use.

Further, connection piece 9 is installed to laminate polymer battery pack 5's bottom surface symmetry, and the welding of the outer wall surface equidistance of connection piece 9 has disk 8, is connected connection piece 9 and laminate polymer battery pack 5 inside battery piece through with disk 8, forms laminate polymer battery pack 5.

Further, electric wire protective sheath 2 is installed to laminate polymer battery group 5's one side, and electric wire protective sheath 2's internally mounted has two battery lines 6, protects battery line 6 through being equipped with electric wire protective sheath 2, avoids battery line 6 pressurized, buckles etc. impaired, influences life.

Further, connecting block 1 is installed to the one end of battery line 6, and insulating block 10 is all installed to the both sides of first magnetic path 12 and second magnetic path 13, through being equipped with insulating block 10, with the magnetic field separation that the magnetic path produced in the inside of adapter sleeve 3, avoids magnetic field to cause the influence to battery inside.

The utility model discloses a theory of operation and use flow: when the utility model is used, the soft-package batteries are closely arranged together, then the soft-package battery pack 5 is formed, the connecting sleeve 3 is sleeved outside the soft-package battery pack 5, so that the soft-package battery pack 5 forms an integral structure, in addition, the supporting stock price 31 of the inner wall of the connecting sleeve 3 supports the soft cushion layer 32, so that the soft cushion layer 32 is tightly attached to the outer wall surface of the soft-package battery pack 5, the soft-package battery pack 5 is limited and fixed, the soft-package battery pack 5 is prevented from scattering, then the first magnetic block 12 installed at one end of the connecting sleeve 3 and the second magnetic block 13 at one end of the bottom cushion layer 7 are adsorbed together, so that the connecting sleeve 3 forms an integral structure, the soft-package battery pack 5 is wrapped inside, the connecting sleeve 3 is simple in structure and convenient to disassemble, and the adopted silica gel material is good in toughness and can be stretched; and the deformation can not be generated, the recycling can be realized, and the method is economical and practical.

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

Claims

1. Connection structure of soft packet of polymer lithium cell group, including soft packet of battery group (5), its characterized in that: the outside cover of laminate polymer group battery (5) is equipped with adapter sleeve (3), braced frame (31) are installed to the inner wall of adapter sleeve (3), the front surface of braced frame (31) bonds and has cushion layer (32), and the surface of cushion layer (32) hugs closely together with the outer wall of laminate polymer group battery (5), hole (4) have been seted up to the top surface of adapter sleeve (3), establish to the bar form in hole (4), and the equidistance distributes at the top surface of adapter sleeve (3).

2. The bonding structure of the lithium battery pack of soft-packing polymer according to claim 1, wherein: the magnetic connecting device is characterized in that a first magnetic block (12) is arranged inside one end of the bottom surface of the connecting sleeve (3), the bottom surface of the connecting sleeve (3) is connected with a bottom cushion layer (7), a second magnetic block (13) is arranged at one end of the bottom cushion layer (7), and the first magnetic block (12) is adsorbed on the surface of the second magnetic block (13).

3. The connection structure of the soft-packed polymer lithium battery pack according to claim 2, wherein: the top surface of bed course (7) is equipped with recess (11), recess (11) are hugged closely with the bottom surface of laminate polymer battery pack (5).

4. The bonding structure of the lithium battery pack of soft-packing polymer according to claim 1, wherein: connecting pieces (9) are symmetrically installed on the bottom surface of the soft package battery pack (5), and wafers (8) are welded on the outer wall surface of the connecting pieces (9) at equal intervals.

5. The connection structure of the soft-packed polymer lithium battery pack according to claim 2, wherein: electric wire protective sheath (2) are installed to one side of laminate polymer group battery (5), the internally mounted of electric wire protective sheath (2) has two battery lines (6).

6. The bonding structure of the lithium battery pack of soft-packing polymer according to claim 5, wherein: one end of the battery wire (6) is provided with a connecting block (1), and two sides of the first magnetic block (12) and the second magnetic block (13) are provided with insulating blocks (10).