CN218039762U

CN218039762U - Energy storage device with large volume and convenient assembly

Info

Publication number: CN218039762U
Application number: CN202221170680.8U
Authority: CN
Inventors: 林俊志
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-12-13
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a big and energy memory device of being convenient for assembly of volume, including casing, electric core and end cover assembly, electric core is installed the inside of casing, end cover assembly installs the side of casing, end cover assembly includes end cover and confluence piece, the one side laminating of confluence piece the electricity core is installed, the middle part of confluence piece another side is equipped with the spliced pole, and the end cover is equipped with and embraces the ring tightly, the spliced pole is installed embrace in the ring tightly, the confluence piece the end cover with form the stock solution cavity between the casing, the overflow hole has been seted up to the confluence disc. The utility model discloses an end cover forms the stock solution cavity with the structure of converging the piece, stock solution and water conservancy diversion when being favorable to pouring into electrolyte, the utility model discloses simple structure realizes automatic assembly easily.

Description

Energy storage device with large volume and convenient assembly

Technical Field

The utility model belongs to the technical field of the energy storage component, especially, relate to an energy storage device that volume is big and be convenient for assembly.

Background

Batteries or supercapacitors are widely used as energy storage devices in the fields of industry, energy, military and the like. The electrode leading-out part mainly plays a role in connecting the internal core body with external equipment, and is used as a key link of connection, and the electrode leading-out structure adopted by the electrode leading-out part not only has important influence on the resistance of the energy storage device, but also is important for the stability, reliability and service life of the single body.

For example, chinese patent publication No. CN 210984546U discloses an energy storage device single body, a top end of a tank body of the single body is open, a bottom end is closed, and a battery cell is installed in the tank body; the positive current collector on the bottom surface of the battery cell is electrically connected to the positive electrode cover plate on the top surface of the tank body through the tank body, and the negative electrode cover plate is fixedly connected to the upper part of the negative current collector on the top surface of the battery cell; the negative electrode cover plate and the positive electrode cover plate are both provided with center holes, the fixing piece penetrates through the center holes of the negative electrode cover plate and the positive electrode cover plate and is electrically communicated with the negative electrode cover plate, and the positive electrode cover plate and the negative electrode cover plate and the positive electrode cover plate and the fixing piece are electrically insulated through sealing rings; the top surface of mounting is equipped with the negative pole post, and positive plate cover top surface is equipped with a plurality of positive posts.

In the prior art, the electrode leading-out structure is complex and inconvenient to install, and occupies the liquid storage space of electrolyte.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big and energy storage device of being convenient for assembly of volume aims at solving the problem that exists among the background art. For realizing the purpose, the utility model adopts the technical proposal that:

an energy storage device with large volume and convenient assembly comprises a shell, a battery cell and an end cover assembly, wherein the battery cell is arranged inside the shell, and the end cover assembly is arranged at the side end of the shell;

the end cover subassembly includes end cover and the piece that converges, the one side laminating of the piece that converges the electricity core installation, the middle part of the piece another side that converges is equipped with the spliced pole, and the end cover is equipped with and embraces and encircles, the spliced pole is installed embrace and encircle in, the piece that converges the end cover with form the stock solution cavity between the casing, the overflow hole has been seted up to the piece that converges.

Furthermore, the inner side surface of the end cover is sunken to form a liquid storage expansion tank.

Furthermore, the confluence sheet is provided with a through hole, and the through hole penetrates through the confluence sheet and the connecting column.

Furthermore, the outer side surface of the end cover is provided with a pole column position, and the middle part of the pole column position is provided with a pole column.

Furthermore, the end cover is provided with a liquid injection hole, and the liquid injection hole is communicated with the liquid storage cavity.

Further, the joint of the end cover and the shell is welded and sealed.

The utility model has the advantages that:

the utility model discloses a mutually support between end cover subassembly and the casing and form the stock solution cavity, improved the stock solution volume of electrolyte, stock solution and water conservancy diversion when being favorable to the battery to pour into electrolyte into, the utility model discloses simple structure easily assembles, can improve production efficiency, reduces the time cost of production.

Drawings

Fig. 1 is an overall schematic view of an energy storage device with a large volume and convenient assembly provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a part a of an energy storage device with a large volume and convenient assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an embodiment of a large-capacity and easy-to-assemble energy storage device provided in an embodiment of the present invention.

Fig. 4 is a schematic diagram of three structures of an embodiment of an energy storage device with a large volume and convenient assembly provided by an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1. a housing; 2. an electric core; 3. an end cap assembly; 31. an end cap; 311. a clasping ring; 312. connecting grooves; 313. a liquid storage expansion tank; 314. a liquid injection hole; 315. a pole position; 316. a pole column; 32. a confluence sheet; 321. connecting columns; overflow hole; 323. a through hole; 33. a reservoir chamber.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein, the terms "vertical," "horizontal," "left," "right," and the like are for illustrative purposes only and do not represent the only embodiments, and as used herein, the terms "upper," "lower," "left," "right," "front," "rear," and the like are used in a positional relationship with reference to the drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-2, an embodiment of the present invention provides an energy storage device with a large volume and convenient assembly, including a housing 1, a battery cell 2 and an end cap assembly 3, wherein the battery cell 2 is installed inside the housing 1, and the end cap assembly 3 is installed at a side end of the housing 1;

the end cover assembly 3 comprises an end cover 31 and a bus bar sheet 32, one surface of the bus bar sheet 32 is attached to the battery cell 2 for installation, a connecting column 321 is arranged in the middle of the other surface of the bus bar sheet 32, the end cover 31 is provided with a clasping ring 311, the connecting column 321 is installed in the clasping ring 311, a liquid storage cavity 33 is formed among the bus bar sheet 32, the end cover 31 and the shell 1, and an overflow hole 322 is formed in the bus bar sheet 32.

In this embodiment, the inner side surface of the end cap 31 is recessed to form a liquid storage expansion tank 313.

In this embodiment, the flow-joining plate 32 has a through hole 323, the through hole 323 is provided through the flow-joining plate 32 and the connecting column 321, the cap 31 has a liquid injection hole 314, and the liquid injection hole 314 and the through hole 323 are communicated with each other.

In this embodiment, the outer side surface of the end cap 31 is provided with

posts

316 and 315, the middle portions of the

posts

316 and 315 are provided with posts 316, and the liquid injection hole 314 is disposed to penetrate the posts 316.

In the present embodiment, the connection between the end cap 31 and the housing 1 is sealed by welding.

The working mode is as follows:

in this embodiment, the structure of the end cap assembly 3 is simple, during assembly, only the connecting column 321 of the manifold piece 32 needs to be installed in the clasping ring 311 of the end cap 31, and then the end cap assembly 3 is welded and installed at the side end of the shell 1, so that the assembly mode is rapid and convenient.

Annotate liquid through-hole 323 and notes liquid hole 314 when annotating the liquid, electrolyte can store in stock solution cavity 33, has increased the stock solution volume of electrolyte, is favorable to the stock solution and the water conservancy diversion of electrolyte more.

Example two:

as shown in fig. 3, in the first embodiment, the lid 31 has a liquid injection hole 314 formed at a position corresponding to the liquid storage expansion tank 313, the liquid injection hole 314 is sealed by the safety valve plug 4, and the bus bar 32 has a through hole 323 formed therein.

The working mode is as follows:

in this embodiment, when end cover 31 and confluence piece 32 pressfitting, the gaseous ability between electric core 2 and the casing 1 is discharged from through-hole 31, annotates the liquid hole and sets up on end cover 31 to seal through safe valve plug 4 or sealing plug, can guarantee to annotate the effect of liquid water conservancy diversion, can ensure the difficult weeping of electrolyte again better.

Example three:

as shown in fig. 4, in the first embodiment, the lid 31 is not provided with the pour hole 314, and the manifold 32 is not provided with the through hole 323.

The working mode is as follows:

in this embodiment, the other end of the energy storage device is used for injecting liquid during liquid injection, so that the end cover 31 has better sealing performance.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims

1. An energy storage device that volume is big and be convenient for assembly, its characterized in that: the battery comprises a shell, a battery cell and an end cover assembly, wherein the battery cell is arranged in the shell, and the end cover assembly is arranged at the side end of the shell;

the end cover subassembly includes end cover and confluence piece, the one side laminating of confluence piece the electricity core installation, the middle part of confluence piece another side is equipped with the spliced pole, and the end cover is equipped with and embraces the ring, the spliced pole is installed embrace in the ring, the confluence piece the end cover with form the stock solution cavity between the casing, the overflow hole has been seted up to the confluence piece.

2. A high volume and easy to assemble energy storage device according to claim 1, wherein: the inner side surface of the end cover is sunken to form a liquid storage expansion tank.

3. A high volume and easy to assemble energy storage device according to claim 1 or 2, wherein: the through hole has been seted up to the piece that converges, the through hole run through the piece that converges with the spliced pole setting.

4. A high volume and easy to assemble energy storage device according to claim 1, wherein: the outer side surface of the end cover is provided with a polar column position, and the middle part of the polar column position is provided with a polar column.

5. A high volume and easy to assemble energy storage device according to claim 1, wherein: the end cover is provided with a liquid injection hole which is communicated with the liquid storage cavity.

6. An energy storage device of large volume and easy assembly as claimed in any one of claims 1,2,4 and 5, wherein: and the joint of the end cover and the shell is welded and sealed.