CN215989020U

CN215989020U - Energy storage lithium ion battery with flame-retardant structure

Info

Publication number: CN215989020U
Application number: CN202122527711.2U
Authority: CN
Inventors: 董全峰; 范镜敏; 石青川; 胡涛; 张鲸
Original assignee: Shiyi International New Energy Co ltd
Current assignee: Shiyi International New Energy Co ltd
Priority date: 2021-09-26
Filing date: 2021-10-20
Publication date: 2022-03-08
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses an energy storage lithium ion battery with a flame suppression structure, which comprises a base, a surrounding plate and a top cover, wherein a single group of batteries is arranged above the base, the surrounding plate is arranged on the outer side of the top end of the base, heat dissipation structures are arranged at two ends inside the surrounding plate, the bottom end of the surrounding plate is fixedly connected with an installation structure, a protection structure is arranged inside the bottom end of the top cover, the protection structure comprises an embedding groove, a buffer cover and a limiting ring, and the embedding groove is arranged inside the bottom end of the top cover. The protection structure is arranged, the buffer covers are arranged at the two ends of the outer side wall of the single-group battery when the single-group battery is installed, the two ends of the single-group battery can be embedded with the embedding grooves and the limiting rings, the single-group battery is installed on the inner side of the enclosing plate to be stable and not to shake, and the buffer covers can also have a certain buffer function when the single-group battery is extruded outside so as to protect the single-group battery to a certain extent, so that the protection of the lithium ion battery is realized.

Description

Energy storage lithium ion battery with flame-retardant structure

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to an energy storage lithium ion battery with a flame suppression structure.

Background

The energy storage lithium ion battery is used as a stable power energy storage device, the lithium ion battery can be used for multiple times by charging, so that the pollution to the environment is less, and the lithium ion battery is used in a large number in the market because the power output of the lithium ion battery is stable and the pollution to the environment is less compared with other batteries;

traditional energy storage lithium ion battery is enough stable for guaranteeing its magnitude of voltage when using, often establishes ties a plurality of lithium cells and forms lithium ion battery group, and the phenomenon such as can appear colliding with, extrudeing, rocking when using in the group battery leads to lithium ion battery easily to damage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide an energy storage lithium ion battery with a flame suppression structure, which is used for solving the defect that the conventional lithium ion battery is easy to damage.

(II) contents of utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an energy storage lithium ion battery with suppress burning structure, includes base, bounding wall and top cap, the top of base is provided with single group battery, the outside on base top is provided with the bounding wall, the inside both ends of bounding wall all are provided with heat radiation structure, the top fixedly connected with top cap of bounding wall, the bottom fixedly connected with mounting structure of bounding wall, the inside of top cap bottom is provided with protective structure, protective structure is including inlaying groove, buffering lid and spacing ring, inlay the inside that the groove set up and top cap bottom.

Preferably, the heat dissipation structure includes a heat conductive copper foil, a heat collection plate and a heat dissipation fin, the heat conductive copper foil is disposed inside the enclosing plate, two ends of the heat conductive copper foil extend to the outer side of the enclosing plate and are fixedly connected with the heat collection plate, and one end of the heat collection plate is fixedly connected with the heat dissipation fin.

Preferably, the heat conducting copper foils are distributed in the enclosing plate at equal intervals, and the heat collecting plate is perpendicular to the radiating fins.

Preferably, both ends of the outer side wall of the single battery group are provided with buffer covers, and the top end of the base is fixedly connected with a limiting ring.

Preferably, the embedding grooves and the inside of the single-group battery are in an embedding structure, and the embedding grooves are distributed at equal intervals in the bottom end of the top cover.

Preferably, the mounting structure comprises a mounting groove, a clamping groove and a buckle, the mounting groove is formed in the outer side of the top end of the base, the clamping groove is formed in the outer side wall of the base, and the buckle is fixedly connected to the outer side of the bottom end of the enclosing plate.

Preferably, the clamping grooves are symmetrically distributed in the outer side wall of the base, and a clamping structure is formed between the clamping grooves and the inside of the buckle.

(III) advantageous effects

The utility model provides an energy storage lithium ion battery with a flame suppression structure, which has the advantages that: by arranging the protection structure, the buffer covers are arranged at the two ends of the outer side wall of the single-group battery when the single-group battery is installed, so that the two ends of the single-group battery can be embedded with the embedding grooves and the limiting rings, the single-group battery is installed on the inner side of the enclosing plate to be stable and not to shake, and the buffer covers can also have a certain buffer function when the single-group battery is extruded outside so as to protect the single-group battery to a certain extent, so that the protection of the lithium ion battery is realized;

through the arrangement of the heat dissipation structure, the heat conduction copper foils are arranged on the two sides of the single-group battery after the single-group battery is installed, so that the heat dissipated by the single-group battery is quickly absorbed by the heat conduction copper foils and transmitted to the heat collection plate when the single-group battery is used for a long time and dissipates heat, and the heat is discharged outwards by the heat dissipation fin at one end of the heat collection plate, so that the heat in the enclosing plate can be quickly led out to achieve the heat dissipation effect, and the heat dissipation effect of the lithium ion battery is improved;

through being provided with mounting structure, insert it perpendicularly to the base when the bounding wall is installed, the bottom that makes the bounding wall also will insert the inside messenger bounding wall and the top cap of block inslot to the buckle this moment of contact with the mounting groove and can fix, it is more convenient to make the installation of bounding wall and top cap fixed, its single battery of organizing will keep apart with the external world after bounding wall and top cap installation simultaneously, play certain suppression of combustion effect under the isolation of bounding wall and top cap when the naked light burning appears in the external world, the installation of being convenient for to this lithium ion battery has been realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top cross-sectional view of the present invention;

FIG. 3 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic three-dimensional partial structure of the protective structure of the present invention;

FIG. 5 is a front view partially in section of the mounting structure of the present invention;

fig. 6 is a three-dimensional partial structure diagram of the mounting structure of the present invention.

In the figure: 1. a base; 2. a single set of cells; 3. enclosing plates; 4. a heat dissipation structure; 401. a thermally conductive copper foil; 402. a heat collecting plate; 403. a heat dissipating fin; 5. a top cover; 6. a protective structure; 601. embedding a groove; 602. a buffer cover; 603. a limiting ring; 7. a mounting structure; 701. mounting grooves; 702. a clamping groove; 703. and (5) buckling.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, the energy storage lithium ion battery with a flame suppression structure provided by the present invention includes a base 1, a surrounding plate 3 and a top cover 5, wherein a single group of batteries 2 is disposed above the base 1, the outside of the top end of the base 1 is provided with the surrounding plate 3, the top end of the surrounding plate 3 is fixedly connected with the top cover 5, two ends inside the surrounding plate 3 are provided with heat dissipation structures 4, each heat dissipation structure 4 includes a heat conductive copper foil 401, a heat collection plate 402 and heat dissipation fins 403, the heat conductive copper foil 401 is disposed inside the surrounding plate 3, two ends of the heat conductive copper foil 401 both extend to the outside of the surrounding plate 3 and are fixedly connected with the heat collection plate 402, one end of the heat collection plate 402 is fixedly connected with the heat dissipation fins 403, the heat conductive copper foils 401 are distributed in the surrounding plate 3 at equal intervals, so that the heat dissipation effect inside the surrounding plate 3 is improved, and the heat collection plate 402 is perpendicular to the inside of the heat dissipation fins 403;

specifically, as shown in fig. 1 and fig. 2, when the structure is used, firstly, when the single-group battery 2 is used for a long time and radiates heat, the radiated heat is quickly absorbed by the heat conductive copper foil 401 and is transferred to the heat collecting plate 402, and the heat is discharged outwards by the heat radiating fin 403 at one end of the heat collecting plate 402, so that the heat inside the enclosing plate 3 can be quickly led out to achieve the effect of heat radiation;

the protection structure 6 is arranged inside the bottom end of the top cover 5, the protection structure 6 comprises an embedding groove 601, a buffering cover 602 and a limiting ring 603, the embedding groove 601 is arranged inside the bottom end of the top cover 5, the buffering covers 602 are arranged at two ends of the outer side wall of the single-group battery 2, the limiting ring 603 is fixedly connected to the top end of the base 1, and the embedding groove 601 and the inside of the single-group battery 2 are in an embedding structure, so that the single-group battery 2 is more stably installed, and the embedding grooves 601 are distributed in the bottom end of the top cover 5 at equal intervals;

specifically, as shown in fig. 1, 3, 4 and 6, when the structure is used, firstly, buffer covers 602 are installed at two ends of the outer side wall of the single-group battery 2 when the single-group battery 2 is installed, so that two ends of the single-group battery 2 can be embedded with the embedding groove 601 and the limiting ring 603, the single-group battery 2 is installed inside the enclosing plate 3 so as to be stable and free from shaking, and when the outside of the single-group battery 2 is extruded, the buffer covers 602 can have a certain buffer effect so as to protect the single-group battery 2;

the bottom end of the enclosing plate 3 is fixedly connected with a mounting structure 7, the mounting structure 7 comprises a mounting groove 701, a clamping groove 702 and a buckle 703, the mounting groove 701 is arranged at the outer side of the top end of the base 1, the clamping groove 702 is arranged inside the outer side wall of the base 1, the buckle 703 is fixedly connected at the outer side of the bottom end of the enclosing plate 3, the clamping grooves 702 are symmetrically distributed inside the outer side wall of the base 1, and a clamping structure is formed between the clamping groove 702 and the buckle 703, so that the enclosing plate 3 and the top cover 5 are more stably mounted;

specifically, as shown in fig. 1, 5 and 6, when this structure is used, the surrounding plate 3 is first inserted perpendicularly into the base 1 when it is mounted, and the bottom end of the surrounding plate 3 is brought into contact with the mounting groove 701, and at this time, the buckle 703 is also inserted into the engaging groove 702, so that the surrounding plate 3 and the top cover 5 are fixed, and the mounting and fixing of the surrounding plate 3 and the top cover 5 are facilitated.

The working principle is as follows: when the energy storage lithium ion battery is used, firstly, when the energy storage lithium ion battery needs to be installed, the buffer covers 602 are respectively sleeved at the upper end and the lower end of the single-group battery 2, then, the bottom end of the single-group battery 2 is sequentially inserted into the limiting ring 603 at the top end of the base 1, so that the single-group battery 2 is placed in order, then, the top cover 5 and the surrounding plate 3 are covered above the base 1, the embedding grooves 601 are covered at the top end of the single-group battery 2, so that the upper end and the lower end of the single-group battery 2 are embedded through the embedding grooves 601 and the limiting ring 603, and at the moment, the position of the single-group battery 2 is limited by the embedding grooves 601 and the limiting ring 603 and cannot shake;

secondly, when the enclosing plate 3 and the top cover 5 are arranged above the base 1, the top cover 5 needs to be pressed down forcibly, so that the bottom end of the enclosing plate 3 is contacted with the top end of the mounting groove 701, at the moment, the buckle 703 is also inserted into the inside of the clamping groove 702 to form clamping, so that the enclosing plate 3, the top cover 5 and the base 1 are stably connected, at the moment, the enclosing plate 3 and the top cover 5 isolate the single-group battery 2 inside the enclosing plate from the outside, when open fire occurs in the outside, the open fire can be isolated under the isolation of the enclosing plate 3 and the top cover 5, and at the moment, the energy storage lithium ion battery is mounted;

finally, the energy storage lithium ion battery can be used after being installed, a single battery 2 generates a certain amount of heat to raise the internal temperature of the surrounding plate 3 in the use process, the heat conducting copper foils 401 on the two sides of the single battery 2 can quickly absorb the heat in the surrounding plate 3 and quickly transfer the heat to the interior of the heat collecting plate 402, the heat absorbed by the heat collecting plate 402 is discharged outwards through the heat radiating fins 403, the heat in the surrounding plate 3 is quickly discharged, and the use work of the energy storage lithium ion battery is finally completed.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an energy storage lithium ion battery with suppress burning structure, includes base (1), bounding wall (3) and top cap (5), its characterized in that: a single group of batteries (2) is arranged above the base (1), and a surrounding plate (3) is arranged on the outer side of the top end of the base (1);

the heat dissipation structure (4) is arranged at each of two ends of the inner portion of the enclosing plate (3), the top end of the enclosing plate (3) is fixedly connected with the top cover (5), and the bottom end of the enclosing plate (3) is fixedly connected with the mounting structure (7);

the inside of top cap (5) bottom is provided with protective structure (6), protective structure (6) are including inlaying groove (601), buffering lid (602) and spacing ring (603), inlay the inside of groove (601) setting and top cap (5) bottom.

2. The energy storage lithium ion battery with a flame suppression structure according to claim 1, wherein: the heat dissipation structure (4) comprises a heat conduction copper foil (401), a heat collection plate (402) and heat dissipation fins (403), the heat conduction copper foil (401) is arranged inside the enclosing plate (3), two ends of the heat conduction copper foil (401) extend to the outer side of the enclosing plate (3) and are fixedly connected with the heat collection plate (402), and one end of the heat collection plate (402) is fixedly connected with the heat dissipation fins (403).

3. The energy storage lithium ion battery with a flame suppression structure according to claim 2, wherein: the heat conducting copper foils (401) are distributed in the enclosing plate (3) at equal intervals, and the heat collecting plate (402) is perpendicular to the heat radiating fins (403).

4. The energy storage lithium ion battery with a flame suppression structure according to claim 1, wherein: buffer covers (602) are arranged at two ends of the outer side wall of the single-group battery (2), and a limiting ring (603) is fixedly connected to the top end of the base (1).

5. The energy storage lithium ion battery with a flame suppression structure according to claim 1, wherein: inlay and be mosaic structure between groove (601) and singly organize battery (2) inside, inlay inside of groove (601) bottom in top cap (5) and be equidistant distribution.

6. The energy storage lithium ion battery with a flame suppression structure according to claim 1, wherein: the mounting structure (7) comprises a mounting groove (701), a clamping groove (702) and a buckle (703), the mounting groove (701) is arranged on the outer side of the top end of the base (1), the clamping groove (702) is arranged inside the outer side wall of the base (1), and the buckle (703) is fixedly connected to the outer side of the bottom end of the enclosing plate (3).

7. The energy storage lithium ion battery with a flame suppression structure according to claim 6, wherein: the clamping grooves (702) are symmetrically distributed in the outer side wall of the base (1), and a clamping structure is formed between the clamping grooves (702) and the inside of the buckle (703).