CN216597812U

CN216597812U - Lithium battery with charging protection structure

Info

Publication number: CN216597812U
Application number: CN202121160048.0U
Authority: CN
Inventors: 赖有
Original assignee: Shenzhen Huabaotong Electronics Co ltd
Current assignee: Shenzhen Huabaotong Electronics Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-05-24
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a lithium battery with a charging protection structure, and relates to the technical field of lithium batteries. The battery comprises a protective shell and a heat dissipation plate, wherein a placing groove is formed in the protective shell, a battery body is fixedly installed in the placing groove, heat conduction plates are fixedly installed on two side faces of the battery body, a heat dissipation groove is formed in the outer surface of each heat conduction plate, a fixed frame is fixedly installed above the battery body, a thermal expansion body is fixedly installed in the fixed frame, connecting rods are fixedly installed on two side faces of the thermal expansion body, each connecting rod penetrates through the fixed frame and is fixedly installed with a connecting plate, notches are formed in two side faces of the protective shell, rotating rods are fixedly installed in the notches, the side walls of the rotating rods are rotatably connected with idler wheels, an installation block is fixedly installed on the inner surface of the heat dissipation plate, notches are formed in the side faces of the installation block, fixing rods are fixedly installed in the notches, and connecting ropes are fixedly installed on the side walls of the fixing rods. The utility model improves the heat dissipation effect and increases the heat dissipation efficiency, and has good popularization prospect.

Description

Lithium battery with charging protection structure

Technical Field

The utility model belongs to the technical field of lithium batteries, and particularly relates to a lithium battery with a charging protection structure.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium battery becomes a mainstream at present along with the development of scientific technology. The great power consumption device of demand, generally need the parallelly connected charging of a plurality of batteries to discharge, then place in the casing, can produce the phenomenon of generating heat when owing to the battery charges, and a plurality of batteries have increased the heat again, long-time heat accumulation, can cause the injury to the battery, and there is very big potential safety hazard, some lithium cell now generally only dispel the heat through the louvre when charging, this kind of radiating method radiating effect is limited, and efficiency is lower, consequently, propose a lithium cell with charge protection architecture, solve some lithium cell now and only dispel the heat through the louvre when charging, this kind of radiating method radiating effect is limited, the lower problem of efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery with a charging protection structure, which solves the problems that the existing lithium batteries only dissipate heat through heat dissipation holes during charging, and the heat dissipation method has limited heat dissipation effect and lower efficiency.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a lithium battery with a charging protection structure, which comprises a protective shell and a heat dissipation plate, wherein a placement groove is formed in the protective shell, a battery body is fixedly arranged in the placement groove, heat conduction plates are fixedly arranged on two side surfaces of the battery body, a heat dissipation groove is formed in the outer surface of the heat conduction plate, a fixed frame is fixedly arranged above the battery body, a thermal expansion body is fixedly arranged in the fixed frame, connecting rods are fixedly arranged on two side surfaces of the thermal expansion body, the connecting rods penetrate through the fixed frame and are fixedly provided with connecting plates, notches are formed in two side surfaces of the protective shell, rotating rods are fixedly arranged in the notches, the peripheral side walls of the rotating rods are rotatably connected with idler wheels, an installation block is fixedly arranged on the inner surface of the heat dissipation plate, notches are formed in the side surfaces of the installation block, fixing rods are fixedly arranged in the notches, connecting ropes are fixedly arranged on the peripheral side walls of the fixing rods, the protective shell is rotatably connected with the heat dissipation plate.

Further, protective housing upper surface sliding connection has the visor, through set up the visor at the protective housing upper surface, avoids being heated to expand and accumulate the dust on body and the connecting rod, avoids the dust to block up, and influences the normal work of the body that expands and the connecting rod that heats.

Further, the connecting rope bypasses the roller and is fixedly connected with the connecting plate, abrasion of the connecting rope is reduced by arranging the roller, and the service life of the connecting rope is prolonged.

Further, the connecting plate passes through connecting rod and thermal expansion body fixed connection, through setting up thermal expansion body and connecting rod, when thermal expansion body inflation, can drive the connecting rod and outwards remove.

Further, connect rope one end and dead lever fixed connection, connect the rope other end and connecting plate fixed connection, through setting up the dead lever, connecting rope and connecting plate, when the connecting rod outwards removed, the connecting rod can drive the connecting plate and outwards remove, and the heating panel can open and dispel the heat this moment, connects simultaneously that the rope retrains the heating panel angle that opens and shuts.

Further, the gyro wheel passes through the dwang and is connected with the protective housing rotation.

Furthermore, one side surface of the heat conducting plate is in contact with the battery body, the other side surface of the heat conducting plate is provided with a plurality of heat radiating grooves, the heat conducting plate is arranged on the side surface of the battery body, and the heat radiating grooves are arranged on the side surface of the heat conducting plate, so that heat emitted by the battery body is conducted to the heat conducting plate, and meanwhile, the heat radiating grooves increase the contact area between the heat conducting plate and air, and further the heat radiating effect is enhanced.

The utility model has the following beneficial effects:

according to the utility model, the protective cover is arranged on the upper surface of the protective shell, so that dust is prevented from accumulating on the thermal expansion body and the connecting rod, and the influence on the normal work of the thermal expansion body and the connecting rod due to the blockage of the dust is avoided; by arranging the roller, the abrasion of the connecting rope is reduced, and the service life of the connecting rope is prolonged; the heat-conducting plate is arranged on the side face of the battery body, the heat-radiating grooves are formed in the side face of the heat-conducting plate, so that heat emitted by the battery body is conducted to the heat-conducting plate, and meanwhile, the contact area between the heat-conducting plate and air is increased through the heat-radiating grooves, and the heat-radiating effect is enhanced.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is an overall schematic view of a lithium battery with a charge protection structure according to the present invention;

FIG. 2 is a partial enlarged view of portion B of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

FIG. 4 is a schematic side view of a lithium battery with a charge protection structure according to the present invention;

FIG. 5 is a partial enlarged view of portion C of FIG. 4;

fig. 6 is a schematic top view of a lithium battery with a charging protection structure according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a protective shell; 2. a protective cover; 3. a heat dissipation plate; 4. a fixing frame; 5. a thermally expansive body; 6. a connecting rod; 7. a connecting plate; 8. a battery body; 9. a heat conducting plate; 10. a heat sink; 11. a recess; 12. A roller; 13. rotating the rod; 14. connecting ropes; 15. mounting blocks; 16. a notch; 17. fixing the rod; 18. and (6) placing a groove.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, the present invention is a lithium battery with a charging protection structure, including a protection casing 1 and a heat sink 3, a placing groove 18 is formed in the protection casing 1, a battery body 8 is fixedly installed in the placing groove 18, heat conducting plates 9 are fixedly installed on both side surfaces of the battery body 8, a heat sink 10 is formed on the outer surface of the heat conducting plate 9, a fixing frame 4 is fixedly installed above the battery body 8, a thermal expansion body 5 is fixedly installed in the fixing frame 4, connecting rods 6 are fixedly installed on both side surfaces of the thermal expansion body 5, the connecting rods 6 pass through the fixing frame 4 and are fixedly installed with connecting plates 7, notches 11 are formed on both side surfaces of the protection casing 1, a rotating rod 13 is fixedly installed in the notches 11, a roller 12 is rotatably connected to the peripheral wall of the rotating rod 13, an installation block 15 is fixedly installed on the inner surface of the heat sink 3, a notch 16 is formed on the side surface of the installation block 15, a fixing rod 17 is fixedly installed in the notch 16, the peripheral side wall of the fixed rod 17 is fixedly provided with a connecting rope 14, and the protective shell 1 is rotatably connected with the heat dissipation plate 3.

Preferably, protective housing 1 upper surface sliding connection has visor 2, through set up visor 2 at protective housing 1 upper surface, avoids being heated and expands and accumulate the dust on body 5 and the connecting rod 6, avoids the dust to block up, and influences the body 5 and the connecting rod 6 normal work that expands that is heated.

Preferably, the connecting rope 14 bypasses the roller 12 and is fixedly connected with the connecting plate 7, the abrasion of the connecting rope 14 is reduced by arranging the roller 12, the service life of the connecting rope 14 is prolonged, and the roller 12 is rotatably connected with the protective shell 1 through the rotating rod 13.

Preferably, one side surface of the heat conducting plate 9 is in contact with the battery body 8, the other side surface of the heat conducting plate 9 is provided with a plurality of heat radiating grooves 10, the heat conducting plate 9 is arranged on the side surface of the battery body 8, the heat radiating grooves 10 are arranged on the side surface of the heat conducting plate 9, heat emitted by the battery body 8 is conducted to the heat conducting plate 9, and meanwhile the heat radiating grooves 10 increase the contact area between the heat conducting plate 9 and air, so that the heat radiating effect is enhanced.

Preferably, connecting plate 7 is through connecting rod 6 and thermal expansion body 5 fixed connection, through setting up thermal expansion body 5 and connecting rod 6, when thermal expansion body 5 inflation, can drive connecting rod 6 outwards removal.

Preferably, connect 14 one ends of rope and dead lever 17 fixed connection, connect 14 other ends of rope and connecting plate 7 fixed connection, through setting up dead lever 17, connecting rope 14 and connecting plate 7, when connecting rod 6 outwards removed, connecting rod 6 can drive connecting plate 7 outwards removal, and heating panel 3 can open and dispel the heat this moment, connects 14 restraint heating panel 3 angles of opening and shutting of rope simultaneously.

As shown in fig. 1 to 6, this embodiment is a method for using a lithium battery with a charging protection structure: begin to charge, generate heat when battery body 8, when making the thermal expansion body 5 inflation, can drive connecting rod 6 and outwards remove, connecting rod 6 can drive connecting plate 7 and outwards remove, and heating panel 3 can open and dispel the heat this moment, connects 14 restraint heating panel 3 angles of opening and shutting of rope simultaneously, and on heat conduction that battery body 8 sent the heat conduction 9, radiating groove 10 increased heat-conducting plate 9 and air area of contact simultaneously to strengthen the radiating effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a lithium cell with protection architecture charges, includes protective housing (1) and heating panel (3), its characterized in that: the battery protection shell is characterized in that a placing groove (18) is formed in the protection shell (1), a battery body (8) is fixedly mounted in the placing groove (18), a heat conducting plate (9) is fixedly mounted on two side faces of the battery body (8), a heat radiating groove (10) is formed in the outer surface of the heat conducting plate (9), a fixing frame (4) is fixedly mounted above the battery body (8), a thermal expansion body (5) is fixedly mounted in the fixing frame (4), a connecting rod (6) is fixedly mounted on two side faces of the thermal expansion body (5), the connecting rod (6) penetrates through the fixing frame (4) and is fixedly mounted with a connecting plate (7), notches (11) are formed in two side faces of the protection shell (1), rotating rods (13) are fixedly mounted in the notches (11), idler wheels (12) are rotatably connected to the side walls of the rotating rods (13), and mounting blocks (15) are fixedly mounted on the inner surface of the heat radiating plate (3), notch (16) have been seted up to installation piece (15) side, fixed mounting has dead lever (17) in notch (16), dead lever (17) week side wall fixed mounting has connection rope (14), protective housing (1) is connected with heating panel (3) rotation.

2. A lithium battery with a charging protection structure according to claim 1, characterized in that a protective cover (2) is slidably connected to the upper surface of the protective casing (1).

3. The lithium battery with the charging protection structure as claimed in claim 1, wherein the connecting rope (14) is wound around the roller (12) and is fixedly connected with the connecting plate (7).

4. A lithium battery with a charging protection structure according to claim 1, characterized in that the connection plate (7) is fixedly connected with the thermally expandable body (5) by a connection rod (6).

5. The lithium battery with the charging protection structure as claimed in claim 1, wherein one end of the connecting rope (14) is fixedly connected with the fixing rod (17), and the other end of the connecting rope (14) is fixedly connected with the connecting plate (7).

6. The lithium battery with a charging protection structure according to claim 1, wherein the roller (12) is rotatably connected with the protection shell (1) through a rotating rod (13).

7. The lithium battery with the charging protection structure as claimed in claim 1, wherein one side of the heat conducting plate (9) is in contact with the battery body (8), and the other side of the heat conducting plate (9) is provided with a plurality of heat dissipation grooves (10).