CN214013055U

CN214013055U - Novel soft-packaged battery module's gluey frame structure

Info

Publication number: CN214013055U
Application number: CN202120177249.5U
Authority: CN
Inventors: 徐荣耀
Original assignee: Shenzhen Caiyun Decoration Material Co ltd
Current assignee: Shenzhen Caiyun Decoration Material Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-08-20
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a novel soft-packaged battery module glue frame structure, including gluing frame body (1), all be equipped with the lock screw hole on four angles of gluing frame body (1), the downthehole aluminum sleeve (5) that all is equipped with of lock screw, the outside in lock screw hole is equipped with primary and secondary buckle seat (3), the both sides limit inside of gluing frame body (1) all is equipped with tongue and groove (2) that are used for supporting electric core banding position, the head and the tail both ends of gluing the frame body all are equipped with the strengthening rib, and wherein the head end is moulded plastics with conducting block (7) and is formed integratively. The utility model solves the problem of light weight of the rubber frame, and has light weight; the consistency of the whole module is improved, and the whole strength and rigidity of the module are improved; the types and the quantity of the module materials are reduced, and the manufacturing cost is reduced; meanwhile, the battery pack grouping efficiency is improved, and the problem that the operation of the battery pack grouping process is complex is solved. The utility model provides a glue frame structure not only is limited to the application on soft package module, also can use on other types of modules.

Description

Novel soft-packaged battery module's gluey frame structure

Technical Field

The utility model relates to a frame field is glued to the battery module, especially relates to a novel soft packet of battery module's gluey frame structure.

Background

The aluminum-plastic film of the soft package battery has larger deformation space, and does not explode like a steel shell and aluminum shell battery cell when thermal runaway occurs; the shell is an aluminum-plastic film, the weight is light, the proportion of the inactive part is small, and the weight of the soft package battery is 40% lighter than that of a steel shell lithium battery with the same capacity and 20% lighter than that of an aluminum shell battery; compared with the same size and specification, the soft package battery has larger capacity, and the soft package battery has the capacity which is 10-15% higher than that of a steel shell battery with the same specification and size and is 5-10% higher than that of an aluminum shell battery; the strength of the shell is low, the mechanical stress generated to the internal structure in the circulating process is small, and the shell is beneficial to the circulating life; the position of the lug is abundant, and the heat is uniformly distributed in the charging and discharging process.

Recently, the frequency of battery CTP is higher and higher, and the battery CTP gradually enters the field of view of the public. CTP is Cell to PACK, is that electric core direct integration is for the battery package to middle module link has been saved. The CTP has two technical routes, namely, a completely module-free mode is adopted, and a mode of replacing a small module with a large module is adopted. The CTP formed by the soft package battery cell basically adopts a mode of replacing a small module with a large module.

At present, the soft-packaged battery cell of the mode that adopts big module to replace little module needs a frame of gluing that can punch a hole and can fix the confluence piece again. The number of the rubber frames in the form of the soft package battery is generally 2, and one rubber frame is a structure containing a liquid cooling heat dissipation form; the other is a structure in a natural heat dissipation form.

The liquid cooling heat dissipation formula structure adopts the form of middle aluminum plate of moulding plastics in order to increase electric core and aluminum plate's area of contact to realize heat transfer, the shortcoming is weight is heavy, and the mould is with high costs, can't satisfy the requirement of system specific energy. The natural heat dissipation type structure mainly depends on single side to adopt aluminum sheets to conduct heat dissipation, the heat dissipation effect is slightly poor, more modules are made into a modularized form, the overall weight of the module is heavier, and the requirement of the system on specific energy cannot be met.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a novel laminate polymer battery module glue frame structure, the utility model discloses to glue and adopt the mutual interlocking of buckle to superpose between frame module and the module, increased the wholeness of module, indirectly promoted module intensity.

In order to solve the technical problem, the technical scheme of the utility model as follows: the utility model provides a novel soft-packaged battery module glue frame structure, includes and glues the frame body, all be equipped with the lock screw hole on four angles of gluing the frame body, the downthehole aluminium sleeve that all is equipped with of lock screw, the outside in lock screw hole is equipped with primary and secondary buckle seat, the both sides limit inside of gluing the frame body all is equipped with the tongue and groove that is used for supporting electric core banding position, the head and the tail both ends of gluing the frame body all are equipped with the strengthening rib, and wherein the head end is moulded plastics with the conducting block and is formed integratively.

Preferably, one end of the snap fastener seat is provided with a slot, and the other end of the snap fastener seat is provided with a buckle.

As preferred, the outside both sides of gluing the frame body all is equipped with first buckle for fixed soft-packaged electrical core increases module stability.

Preferably, the first buckle is provided with two groups, and each group comprises two buckles.

Preferably, two conductive blocks are arranged, and the conductive blocks and the lugs are connected together by laser welding; the middle of the two conductive blocks is provided with an air outlet, and reinforcing ribs are arranged around the air outlet.

Preferably, the cross section of the conductive block is shaped like U or U.

Preferably, a second buckle is further arranged on the snap fastener seat at the front end of the rubber frame body.

The working principle of the utility model is as follows: the utility model provides a middle position of the rubber frame structure with a concave-convex groove for supporting the edge sealing position of the battery cell; the rubber frame structure is provided with 4 mutually buckled positions of the sub-female buckle seats and modules which are mutually connected to form series-parallel connection; the structure adopts a single aluminum sheet for heat dissipation, and the heat dissipation of the upper module battery cell is also considered; the structure and the conductive block are mutually injected and formed into a whole, so that the assembly cost and the material types are favorably reduced; the structure adds an aluminum sleeve at the position of the lock screw to enhance the overall strength of the module.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model solves the problem of light weight of the rubber frame, and has light weight; the consistency of the whole module is improved, and the whole strength and rigidity of the module are improved; the types and the quantity of the module materials are reduced, and the manufacturing cost is reduced; meanwhile, the weight of the structural member of the soft package battery cell is reduced, the grouping efficiency of the battery pack is improved, and the problem of complex grouping process operation of the soft package battery is solved. The utility model provides a glue frame structure not only is limited to the application on soft package module, also can use on other types of modules.

Drawings

FIG. 1 is a structural diagram of a rubber frame provided by the present invention;

FIG. 2 is a partial enlarged view of position A;

fig. 3 is a top view of the rubber frame structure provided by the present invention;

fig. 4 is a side view of the rubber frame structure provided by the present invention;

FIG. 5 is a block diagram of the aluminum sleeve;

FIG. 6 is a structural view of the conductive block;

the labels in the figure are: 1-a rubber frame body, 2-a concave-convex groove, 3-a snap fastener seat, 4-a first fastener, 5-an aluminum sleeve, 31-a slot, 32-a plug fastener, 6-a second fastener, 7-a conductive block, 8-an exhaust hole and 9-a reinforcing rib.

Detailed Description

The technical solutions of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following technical solutions.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-5, a novel soft-packaged battery module glues frame structure, including gluing frame body 1, all be equipped with the lock screw hole on four angles of gluing frame body 1, the downthehole aluminium sleeve 5 that all is equipped with of lock screw, the outside in lock screw hole is equipped with primary and secondary buckle seat 3, the inside tongue and groove 2 that is used for supporting electric core banding position that all is equipped with in both sides limit of gluing frame body 1, the head and the tail both ends of gluing the frame body all are equipped with strengthening rib 9 and are used for the gaining in strength, and wherein the head end is moulded plastics with conducting block 7 and is formed integratively.

The two conductive blocks 1 are arranged, and the conductive blocks are used for connecting the soft package battery cells in parallel for conduction; the conductive block 7 and the electrode lug are connected together by laser welding; the middle of the two conductive blocks 7 is provided with an exhaust port 8, and reinforcing ribs 9 are arranged around the exhaust port 8. The cross-section of the conductive block 7 is "U" -shaped or "U" -shaped as shown in FIG. 6.

One end of the snap fastener seat 3 is provided with a slot 31, the other end is provided with a plug-in buckle 32, and the rubber frame is connected with the slot fastener in a modularized manner through the plug-in buckle.

Still be equipped with second buckle 6 on the primary and secondary buckle seat 3 of gluing frame body 1 front end, the second buckle is outside protruding, and the thickness of second buckle is the same with the thickness of first buckle for fixed soft-packaged electrical core.

The outer parts of two sides of the rubber frame body 1 are respectively provided with a first buckle 4; first buckle 4 is equipped with two sets ofly, and every group is two, and first buckle is used for fixed soft-packaged electrical core, increases module stability.

The installation process of the rubber frame structure is as follows: firstly, a conductive block is installed, a battery cell is placed at a concave-convex supporting position of a rubber frame, a tab is connected with the conductive block by laser welding, and a rubber frame module and a module are mutually interlocked and overlapped by adopting letter buckles to form series-parallel connection, so that the integrity of the module is increased, and the strength of the module is indirectly improved; the aluminum sleeve is added at the position of the lock screw to enhance the overall strength of the module, and finally, the aluminum sheet and the buckle are buckled to form a whole. The utility model provides a rubber frame structure module part quantity, the kind reduces, has improved the requirement of system specific energy; this structure adopts the lightweight thinking, optimizes size thickness, and adjustment material density has reduced gluey frame weight and manufacturing cost.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a novel soft packet of battery module glues frame structure, includes glues frame body (1), its characterized in that, all be equipped with the lock screw hole on four angles of gluing frame body (1), the downthehole aluminum sleeve (5) that all is equipped with of lock screw, the outside in lock screw hole is equipped with primary and secondary buckle seat (3), the both sides limit inside of gluing frame body (1) all is equipped with tongue and groove (2) that are used for supporting electric core banding position, the head and the tail both ends of gluing the frame body all are equipped with the strengthening rib, and wherein the head end is moulded plastics with conducting block (7) and is formed integratively.

2. The novel soft package battery module rubber frame structure according to claim 1, wherein one end of the snap fastener seat (3) is provided with a slot (31), and the other end is provided with a plug-in buckle (32).

3. The novel soft package battery module rubber frame structure according to claim 1, wherein the first buckles (4) are arranged on the outer portions of two sides of the rubber frame body (1).

4. The novel soft package battery module rubber frame structure according to claim 3, wherein the first fasteners (4) are provided in two groups, two in each group.

5. The novel soft package battery module rubber frame structure is characterized in that the number of the conductive blocks (7) is two, and the conductive blocks (7) and the tabs are connected together by laser welding; the middle of the two conductive blocks (7) is provided with an air outlet, and reinforcing ribs are arranged around the air outlet.

6. The novel plastic frame structure of the soft-package battery module according to claim 5, wherein the conductive block (7) has a U-shaped or U-shaped cross section.

7. The novel soft package battery module rubber frame structure according to claim 1, wherein a second buckle (6) is further arranged on the snap fastener seat (3) at the front end of the rubber frame body (1).