CN210837861U - Lithium ion battery pack - Google Patents

Abstract

The utility model discloses a lithium ion battery pack, which comprises a shell, wherein a plurality of single batteries are arranged in the shell, a plurality of placing grooves are arranged at the bottom of the shell, the plurality of single batteries are arranged in the corresponding placing grooves, the inner wall of the shell is provided with two clamping plates, a plurality of through holes are arranged on the two clamping plates, the plurality of single batteries all penetrate through the corresponding through holes on the two clamping plates, a groove is arranged at the edge of the top end of the shell, a plurality of clamping grooves are arranged on the groove, a sealing cover is arranged above the groove, a plurality of clamping blocks are arranged on the lower surface of the sealing cover, the plurality of clamping blocks correspond to the plurality of clamping grooves, a positive electrode lug and a negative electrode lug are respectively arranged on one side of the shell, two sides of the shell are provided with two groups of a plurality of round holes, and the single batteries are kept to work in a normal temperature environment, so that the service lives of the single batteries are ensured.

Description

Lithium ion battery pack

Technical Field

The utility model relates to a lithium ion battery group belongs to group battery technical field.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; when discharging, the lithium ion battery is used widely in life, and a plurality of single lithium ion batteries are usually connected in series or in parallel to form a battery pack so as to meet actual needs.

For preventing the circumstances such as fish tail from appearing in group battery in use, often can protect with the protective housing, nevertheless current group battery protection box is very not convenient for install and dismantle, and the while can not be fine dispels the radiating heat of group battery during operation, can reduce the life of battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery group to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium ion battery pack comprises a shell, wherein a plurality of single batteries are arranged in the shell, a plurality of placing grooves are arranged at the bottom of the shell, a plurality of single batteries are placed in the corresponding placing grooves, the inner wall of the shell is provided with two clamping plates, a plurality of through holes are arranged on the two clamping plates, a plurality of single batteries penetrate through the corresponding through holes on the two clamping plates, a groove is arranged on the edge of the top end of the shell, a plurality of clamping grooves are arranged on the groove, a sealing cover is arranged above the groove, the lower surface of the sealing cover is provided with a plurality of clamping blocks which correspond to the clamping grooves, one side of the shell is respectively provided with a positive lug and a negative lug, two sides of the shell are provided with two groups of round holes, the inner walls of the round holes below the positive electrode lug and the negative electrode lug are fixedly connected with fans, and the inner walls of the round holes are fixedly connected with dust screens.

Preferably, rubber pads are bonded on the inner walls of the through holes in the two clamping plates and are in close contact with the outer surfaces of the corresponding single batteries.

Preferably, the top end parts of a plurality of single batteries are in contact with the lower surface of the sealing cover.

Preferably, the sealing cover has a certain flexibility.

Preferably, the two side edges of the sealing cover are symmetrically provided with control blocks.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be equipped with the recess on the casing top, be equipped with a plurality of draw-in grooves on the recess, the sealed lid lower surface corresponding to the recess is equipped with a plurality of fixture blocks, through the mutual cooperation of a plurality of fixture blocks and a plurality of draw-in grooves, can install and dismantle sealed lid very simply, thereby can handle the group battery in the casing very simply, and is very convenient, simultaneously the casing is inside to be equipped with two grip blocks, be equipped with a plurality of through-holes on two grip blocks, a plurality of through-hole inner walls are equipped with the cushion, can carry out fine centre gripping and fixing to a plurality of monomer batteries, every monomer battery has independent standing groove, mutual noninterference, all be equipped with a plurality of round holes in the casing both sides, the round hole inner wall of casing one side fixedly connected with a plurality of fans, the round hole inner wall of casing other side is equipped with the dust, the single batteries are always kept to work in a normal temperature environment, so that the service lives of the single batteries are guaranteed.

Drawings

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

FIG. 2 is a cross-sectional view taken along the plane A-A of the present invention;

fig. 3 is a schematic structural view of the sealing cover of the present invention;

fig. 4 is a schematic structural view of the left side surface of the present invention;

fig. 5 is a schematic diagram of a right side structure of the present invention.

In the figure: 1. a housing; 2. a single battery; 3. a clamping plate; 4. a placement groove; 5. a through hole; 6. a rubber pad; 7. a card slot; 8. a groove; 9. a clamping block; 10. a control block; 11. a sealing cover; 12. a positive tab; 13. a negative tab; 14. a circular hole; 15. a fan; 16. a dust screen.

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. 1-5, the present invention provides a technical solution: a lithium ion battery pack comprises a shell 1, a plurality of single batteries 2 are arranged in the shell 1, a plurality of placing grooves 4 are arranged at the bottom of the shell 1, the plurality of single batteries 2 are arranged in the corresponding placing grooves 4, two clamping plates 3 are arranged on the inner wall of the shell 1, a plurality of through holes 5 are arranged on the two clamping plates 3, the plurality of single batteries 2 respectively penetrate through the corresponding through holes 5 on the two clamping plates 3, a groove 8 is arranged at the edge of the top end of the shell 1, a plurality of clamping grooves 7 are arranged on the groove 8, a sealing cover 11 is arranged above the groove 8, a plurality of clamping blocks 9 are arranged on the lower surface of the sealing cover 11, the plurality of clamping blocks 9 correspond to the plurality of clamping grooves 7, a positive lug 12 and a negative lug 13 are respectively arranged on one side of the shell 1, two groups of a plurality of round holes 14 are arranged on the two sides of the shell 1, fans 15, through the mutual matching of the clamping blocks 9 and the clamping grooves 7, the sealing cover 11 can be very simply installed and disassembled, so that the single batteries 2 in the shell 1 can be very simply processed, the operation is very convenient, meanwhile, through the through holes 5 on the two clamping plates 3 and the placing grooves 4 at the bottom of the shell 1, the single batteries 2 can be well clamped and fixed, each single battery 2 is provided with an independent placing groove 4 without mutual interference, the two sides of the shell 1 are respectively provided with a plurality of round holes 14, the inner wall of the round hole 14 at one side of the shell 1 is fixedly connected with a plurality of fans 15, the inner wall of the round hole 14 at the other side of the shell 1 is provided with a dustproof net 16, heat generated by the working operation of the single batteries 2 in the shell 1 can be well blown out of the shell 1 through the plurality of fans 15, so that the single batteries 2 always work in a normal temperature environment, thereby ensuring the service life of the plurality of unit batteries 2.

All bond on 5 inner walls of a plurality of through-holes on two grip blocks 3 and have cushion 6, a plurality of cushions 6 with correspond 2 surface in close contact with of battery cell, can be fine carry out inseparable centre gripping to battery cell 2 outer walls, 2 top tip of a plurality of battery cell all with sealed 11 lower surface contact, sealed lid 11 has certain bending, sealed 11 both sides border symmetry of lid is equipped with control block 10, convenient dismantlement and the installation to sealed lid 11 through two control block 10, because sealed lid 11 has certain bending, make the installation of sealed lid 11 with dismantle more convenient.

Specifically, the utility model discloses during the use, mutually support through a plurality of draw-in grooves 7 on the recess 8 and a plurality of fixture blocks 9 with the sealed 11 lower surfaces of lid that recess 8 is corresponding, can be very simple to sealed 11 install and dismantle, thereby can be very simple handle monomer battery 2 to in the casing 1, it is very convenient, all be equipped with a plurality of round holes 14 in casing 1 both sides, a plurality of fans 15 of the 14 inner wall fixedly connected with of the round hole of casing 1 one side, 14 inner walls of casing 1 opposite side round hole are equipped with dust screen 16, through a plurality of fans 15 can be fine with casing 1 in time blow off casing 1 because the heat that a plurality of monomer battery 2 work function produced, make a plurality of monomer battery 2 keep working under normal temperature environment always, thereby guarantee a plurality of monomer battery 2's life.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or 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 device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (5)

1. A lithium ion battery pack comprises a shell (1) and is characterized in that a plurality of single batteries (2) are arranged inside the shell (1), a plurality of placing grooves (4) are formed in the bottom of the shell (1), the single batteries (2) are placed in the corresponding placing grooves (4), two clamping plates (3) are arranged on the inner wall of the shell (1), a plurality of through holes (5) are formed in the two clamping plates (3), the single batteries (2) penetrate through the corresponding through holes (5) in the two clamping plates (3), a groove (8) is formed in the edge of the top end of the shell (1), a plurality of clamping grooves (7) are formed in the groove (8), a sealing cover (11) is arranged above the groove (8), a plurality of clamping blocks (9) are arranged on the lower surface of the sealing cover (11), and the clamping blocks (9) correspond to the clamping grooves (7), casing (1) one side is equipped with anodal ear (12) and negative pole ear (13) respectively, casing (1) both sides are equipped with a plurality of round holes of two sets of (14), equal fixedly connected with fan (15) on a plurality of round hole of a set of (14) inner walls of anodal ear (12) and negative pole ear (13) below, another group is a plurality of equal fixedly connected with dust screen (16) on round hole (14) inner wall.

2. The lithium ion battery pack of claim 1, wherein: two all bond on a plurality of through-hole (5) inner wall on grip block (3) and have cushion (6), a plurality of cushion (6) and corresponding battery cell (2) surface in close contact with.

3. The lithium ion battery pack of claim 1, wherein: the top end parts of the plurality of single batteries (2) are all contacted with the lower surface of the sealing cover (11).

4. The lithium ion battery pack of claim 1, wherein: the sealing cover (11) has certain flexibility.

5. The lithium ion battery pack of claim 1, wherein: control blocks (10) are symmetrically arranged at the two side edges of the sealing cover (11).

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