CN219286542U

CN219286542U - Stacked structure battery module

Info

Publication number: CN219286542U
Application number: CN202320244552.1U
Authority: CN
Inventors: 张波; 梁康华
Original assignee: Guangdong Zhongguang Energy Storage Technology Co ltd
Current assignee: Guangdong Zhongguang Energy Storage Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-30
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a stacked structure battery module which comprises a mounting frame, side plates, lithium battery cells, a top stacking piece, a bottom stacking piece and a stacking plug-in piece, wherein the bottom stacking piece is detachably and horizontally arranged at the bottom of the mounting frame, the top stacking piece is detachably and horizontally connected to the top of the mounting frame, the side plates are detachably connected to the side walls of the mounting frame, the lower side walls of the side plates extend to the outer side of the mounting frame to form a lower platform, the lithium battery cells are positioned in the mounting frame, the stacking plug-in piece is respectively connected to the bottom stacking piece and the top stacking piece, and when the stacking plug-in piece is electrically connected with the lithium battery cells, two upper and lower stacked battery modules are inserted into the corresponding bottom stacking pieces through the top stacking piece. In the aspect of fixing and positioning, the utility model reduces the use of fixing elements such as bolts, fixing rods, fixing sheets, rivets and the like, reduces the installation procedures and saves the cost.

Description

Stacked structure battery module

Technical Field

The utility model belongs to the technical field of battery modules, and particularly relates to a battery module with a stacked structure.

Background

Energy storage batteries are often used in various electrical devices to store and supply electric power as needed. In the conventional energy storage battery design, in order to combine a plurality of lithium battery cells, a metal frame body is generally enclosed to form a frame or a box frame, then fixing elements such as bolts, fixing rods, fixing sheets, rivets and the like are used for fixing the lithium battery cells in the frame or the box frame, and finally, connectors and connecting wires are used for connecting the lithium battery cells. The traditional mode has the defects of difficult assembly, difficult disassembly and maintenance, high frame material cost and the like, and in addition, after a plurality of lithium battery cells are combined to form a large lithium battery cell, the power line and the signal line of each energy storage battery module are connected. At present, a plurality of connecting seats are arranged at the back of each lithium battery cell, and then wires are plugged into the connecting seats one by one through an external plug connector. This approach not only wastes many manual assembly costs and relies on specialized construction personnel, but also the messy spreading of the exposed lines behind the lithium cells is not only visually bad, not easy to maintain, but also is a big problem in terms of safety.

It is desirable to provide a new efficient and stable stacked battery module for use.

Disclosure of Invention

The present utility model is directed to a stacked battery module, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a stack formula structure battery module, includes installing frame, curb plate, lithium cell, top stack, bottom stack and heap plug-in components, the detachable horizontal installation of bottom stack is in the bottom of installing frame, the detachable horizontal connection of top stack is at the top of installing frame, curb plate detachable connects on the lateral wall of installing frame, the lower lateral wall of curb plate extends to the installing frame and forms the lower platform, the lithium cell is located the installing frame, the heap plug-in components are connected respectively on bottom stack and top stack, heap plug-in components and lithium cell electric connection, during the connection, peg graft on corresponding bottom stack through the top stack between two upper and lower stacked battery modules.

Further technical scheme, the top stacks the piece and includes lamina tecti, top and leads to strengthening rib and top frame, lamina tecti level sets up the top at the installation frame, the top at the lamina tecti is connected to the top, the top is led to the strengthening rib and is connected between lamina tecti and top frame, form block between lamina tecti and the lamina tecti and lead to groove and four rectangle spliced grooves, block leads to the groove along the long lateral wall distribution of lamina tecti, four rectangle spliced grooves are located four corners of lamina tecti respectively.

Further technical scheme, the bottom stacking piece includes bottom apron, below and leads to strengthening rib, underframe and four rectangle grafting bosss, bottom apron horizontal connection is in the bottom of installing the frame, underframe horizontal connection is in the bottom of end apron and be located the side of curb plate, four rectangle grafting boss is opened and is located four corners of underframe respectively.

According to a further technical scheme, when the rectangular plug-in bosses are connected, the four rectangular plug-in bosses are respectively connected in the corresponding four rectangular plug-in grooves, and the lower platform is plugged in the clamping through grooves.

According to a further technical scheme, the stack plug-in comprises a female stack plug-in and a male stack plug-in, the female stack plug-in and the male stack plug-in are respectively located on the top cover plate and the bottom cover plate, the female stack plug-in and the male stack plug-in are electrically connected with the lithium battery cell, and when the female stack plug-in and the male stack plug-in are connected, the female stack plug-in and the male stack plug-in on two battery modules stacked up and down are mutually inserted.

According to a further technical scheme, two handles which are symmetrically arranged are arranged on the top cover plate.

The utility model has the beneficial effects that:

in the aspect of fixing and positioning, the utility model reduces the use of fixing elements such as bolts, fixing rods, fixing sheets, rivets and the like, reduces the installation procedures and saves the cost; in the aspect of connection of electric power and signals, a complex external connector and a complex external connecting wire are not needed, the problems of manual assembly time, cost and dependence on professional constructors can be completely overcome, and the problems that exposed circuits are scattered in the back of an energy storage battery module in a disordered way, the vision is poor, and the maintenance and safety are difficult are also completely overcome.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

Fig. 1: the three-dimensional structure of the utility model is shown in the first schematic drawing.

Fig. 2: the three-dimensional structure of the utility model is shown in the second schematic diagram.

Fig. 3: explosion diagram of the present utility model.

Fig. 4: the top stack of the present utility model is a schematic perspective view.

Fig. 5: the bottom stack of the present utility model is a schematic perspective view.

Reference numerals: 1-a mounting frame; 2-side plates; 21-a lower platform; 3-lithium battery cell; 4-top stack; 41-top cover plate; 42-reinforcing ribs are communicated above; 43-top frame; 44-clamping through grooves; 45-rectangular inserting grooves; 5-bottom stack; 51-bottom cover plate; 52-passing a reinforcing rib below; 53-a bottom frame; 54-rectangular inserting bosses; 6-female reactor plug-in; 7-male heap plug-ins; 8-a handle.

Detailed Description

The technical solutions in 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.

Please refer to fig. 1-5; the utility model provides a stack formula structure battery module, includes installing frame 1, curb plate 2, lithium cell 3, top stack piece 4, bottom stack piece 5 and heap plug-in components, the bottom of installing frame 1 is installed to bottom stack piece 5 detachable level, the top stack piece 4 is dismantled the level and is connected at the top of installing frame 1, curb plate 2 detachable connects on the lateral wall of installing frame 1, the lower lateral wall of curb plate 2 extends to the outside lower platform 21 that forms of installing frame 1, lithium cell 3 is located installing frame 1, heap plug-in components are connected respectively on bottom stack piece 5 and top stack piece 4, heap plug-in components and lithium cell 3 electric connection, during the connection, peg graft on corresponding bottom stack piece 5 through top stack piece 4 between two upper and lower stacked battery modules. When the battery module is used, when two battery modules stacked up and down are spliced together, the bottom stacking piece 5 on the upper battery module is spliced on the top stacking piece 4 on the lower battery module, and the two battery modules are electrically connected with each other through the stacking piece, so that the butt joint and the fixation of the two battery modules stacked up and down are realized.

In this embodiment, the top stacking member 4 includes a top cover 41, an upper through reinforcing rib 42 and a top frame 43, where the top cover 41 is horizontally disposed at the top of the mounting frame 1, the top frame 43 is connected to the top of the top cover 41, the upper through reinforcing rib 42 is connected between the top cover 41 and the top frame 43, and a clamping through groove 44 and four rectangular inserting grooves 45 are formed between the top frame 43 and the top cover 41, the clamping through groove 44 is distributed along a long side wall of the top frame 43, and the four rectangular inserting grooves 45 are respectively located at four corners of the top frame 43; the bottom stacking piece 5 comprises a bottom cover plate 51, a lower through reinforcing rib 52, a bottom frame 53 and four rectangular inserting bosses 54, wherein the bottom cover plate 51 is horizontally connected to the bottom of the installation frame 1, the bottom frame 53 is horizontally connected to the bottom of the bottom cover plate 51 and is positioned beside the side plate 2, and the four rectangular inserting bosses 54 are respectively positioned at four corners of the bottom frame 53; in connection, four rectangular inserting bosses 54 are respectively connected in four corresponding rectangular inserting grooves 45, and the lower platform 21 is inserted in the clamping through groove 44. When two battery modules stacked up and down are plugged, the four rectangular plugging bosses 54 on the top cover plate 41 are plugged into the four rectangular plugging grooves 45 on the corresponding bottom cover plate 51, the lower platform 21 at the bottom of the side plate 2 is butted into the clamping through groove 44 on the bottom cover plate 51, the rectangular plugging bosses 54 are clamped and matched with the rectangular plugging grooves 45, each surface is effectively limited, the battery modules are prevented from falling off in a stacked state, the contact area of stacking of the upper module and the lower module is increased by the rectangular plugging bosses 54, and the contact pressure is reduced, so that the stacked structure is more stable and reliable.

When the upper battery module and the lower battery module are stacked together, the upper through reinforcing ribs 42 and the lower through reinforcing ribs 52 respectively strengthen the top cover plate 41 and the bottom cover plate 51, deformation is avoided, and meanwhile, after the upper battery module and the lower battery module are stacked together, the upper battery module and the lower battery module are just attached to each other, so that a bearing effect is achieved.

In this embodiment, the stack insert includes a female stack insert 6 and a male stack insert 7, where the female stack insert 6 and the male stack insert 7 are located on a top cover plate 41 and a bottom cover plate 51, respectively, and the female stack insert 6 and the male stack insert 7 are electrically connected to the lithium battery core 3 through electrical connection, and when connected, the female stack insert 6 and the male stack insert 7 on two battery modules stacked up and down are mutually inserted together; when stacking up and down, the female plug-in modules 6 and the female plug-in modules 6 on the upper and lower battery modules are spliced together, so that the electricity of the two battery modules are connected in series, the pile-in modules simultaneously comprise a power connecting piece and a signal connecting piece, meanwhile, the pile-in modules belong to a hot plug-in piece, the upper and lower modules can finish the power and signal connection between the stacked combined energy storage battery modules only by successful stacking, and the complicated external plug-in devices and connecting seats are not needed, and complicated external connecting wires are not needed, so that the problems of manual assembly time, cost and dependence on professional constructors can be completely overcome, and the problems of messy scattering of exposed lines on the back of the energy storage battery modules, poor vision, difficult maintenance and safety are also completely overcome.

In this embodiment, two handles 8 are symmetrically disposed on the top cover 41; the handle 8 facilitates handling and transportation of the battery module.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a stack formula structure battery module, its characterized in that includes installing frame (1), curb plate (2), lithium cell (3), top stack piece (4), bottom stack piece (5) and heap plug-in components, the detachable horizontal installation of bottom stack piece (5) is in the bottom of installing frame (1), the top of installing frame (1) is connected to the detachable horizontal connection of top stack piece (4), curb plate (2) detachable connection is on the lateral wall of installing frame (1), the lower lateral wall of curb plate (2) extends to installing frame (1) and forms lower platform (21), lithium cell (3) are located installing frame (1), heap plug-in components are connected respectively on bottom stack piece (5) and top stack piece (4), heap plug-in components and lithium cell (3) electric connection, during the connection, peg graft on corresponding bottom stack piece (5) through top stack piece (4) between two upper and lower stacked battery modules.

2. The stacked structure battery module according to claim 1, wherein the top stacking member (4) comprises a top cover plate (41), a top through reinforcing rib (42) and a top frame (43), the top cover plate (41) is horizontally arranged at the top of the mounting frame (1), the top frame (43) is connected to the top of the top cover plate (41), the top through reinforcing rib (42) is connected between the top cover plate (41) and the top frame (43), a clamping through groove (44) and four rectangular inserting grooves (45) are formed between the top frame (43) and the top cover plate (41), the clamping through grooves (44) are distributed along the long side wall of the top frame (43), and the four rectangular inserting grooves (45) are respectively located at four corners of the top frame (43).

3. The stacked structural battery module according to claim 2, wherein the bottom stacking member (5) comprises a bottom cover plate (51), a lower through reinforcing rib (52), a bottom frame (53) and four rectangular plugging bosses (54), the bottom cover plate (51) is horizontally connected to the bottom of the mounting frame (1), the bottom frame (53) is horizontally connected to the bottom of the bottom cover plate (51) and is located beside the side plate (2), and the four rectangular plugging bosses (54) are respectively located at four corners of the bottom frame (53).

4. A stacked structural battery module according to claim 3, wherein, when connected, four of said rectangular insertion bosses (54) are respectively connected in corresponding four rectangular insertion grooves (45), and said lower platform (21) is inserted in the snap-fit through groove (44).

5. The stack structure battery module according to claim 4, wherein the stack plug-in unit comprises a female stack plug-in unit (6) and a male stack plug-in unit (7), the female stack plug-in unit (6) and the male stack plug-in unit (7) are respectively positioned on a top cover plate (41) and a bottom cover plate (51), the female stack plug-in unit (6) and the male stack plug-in unit (7) are electrically connected with the lithium battery cell (3), and when connected, the female stack plug-in unit (6) and the male stack plug-in unit (7) on two battery modules stacked up and down are mutually plugged.

6. A stacked structural battery module as claimed in claim 2, wherein two symmetrically arranged handles (8) are provided on the top cover plate (41).