CN216850041U - Soft packet of lithium ion battery of crescent - Google Patents

Abstract

The utility model relates to a lithium cell technical field specifically is a soft packet of lithium ion battery of crescent, the fixed block that two symmetries of packaging position both ends fixedly connected with of battery body set up, and the battery body keeps away from the one end fixedly connected with fixed plate of its packaging position, two between fixed block and the fixed plate respectively first elastic support mechanism of fixedly connected with and second elastic support mechanism, and the both sides setting that first elastic support mechanism and second elastic support mechanism are located battery body, the radian trend of first elastic support mechanism and second elastic support mechanism is unanimous with the radian trend of battery body. The utility model discloses in, can realize the outside support guard action to battery body through setting up first elastic support mechanism and second elastic support mechanism, prevent excessive deformation, improve the security, and have certain elastic buffer guard action, set up the heat conduction thermal diffusivity that the fin improved this device, increase of service life.

Description

Soft packet of lithium ion battery of crescent

Technical Field

The utility model relates to a lithium battery technology field specifically is a soft packet of lithium ion battery of crescent.

Background

The lithium ion battery is a rechargeable battery, which works by depending on lithium ions moving between a positive electrode and a negative electrode, in the charging process, Li + is inserted and extracted back and forth between the two electrodes, when the battery is charged, the Li + is extracted from the positive electrode and inserted into the negative electrode through an electrolyte, the negative electrode is in a lithium-rich state, the lithium ion battery is opposite when discharging, a battery which generally adopts a material containing a lithium element as an electrode is a representative of a modern high-performance battery, the soft package lithium battery is only provided with a polymer shell on the liquid lithium ion battery, and is structurally packaged by an aluminum plastic film, the soft package battery can be blown and cracked at most under the condition of potential safety hazard, and the lithium ion battery is widely applied to consumer electronics products, military products, aviation products and the like.

In a crescent soft package lithium ion battery (with the patent number of CN209001046U), the device can be installed inside an irregular Bluetooth headset, and the problem that the battery cannot be installed on an irregular product or the installed battery capacity is too small is solved, but the crescent soft package lithium ion battery is too simple in structure and is not protected by a supporting structure outside, so that a battery body is easily damaged due to excessive deformation, potential safety hazards exist, the heat dissipation performance of the battery body is poor, and the service life is short. Therefore, the person skilled in the art provides a crescent soft package lithium ion battery to solve the problems mentioned in the above background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a soft packet of lithium ion battery of crescent 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 crescent soft package lithium ion battery comprises a battery body, wherein two symmetrically arranged fixed blocks are fixedly connected to two ends of a packaging position of the battery body, a fixed plate is fixedly connected to one end, away from the packaging position, of the battery body, a first elastic supporting mechanism and a second elastic supporting mechanism are fixedly connected between the two fixed blocks and the fixed plate respectively, the first elastic supporting mechanism and the second elastic supporting mechanism are arranged on two sides of the battery body, the radian trend of the first elastic supporting mechanism and the radian trend of the second elastic supporting mechanism are consistent with that of the battery body, and six cooling fins are arranged on two sides of an aluminum plastic film of the battery body along the radian trend of the battery body at equal intervals;

first elastic support mechanism and second elastic support mechanism adopt the looks isostructure, first elastic support mechanism include with fixed block fixed connection's first arc loop bar, with fixed plate fixedly connected with second arc loop bar and arc slide bar, the smooth chamber of arc has all been seted up in first arc loop bar and the second arc loop bar, the both ends of arc slide bar run through respectively and extend to equal fixedly connected with slider in two arc smooth chambers, and two sliders slide chamber sliding connection with two arcs respectively, the one end inner wall fixed connection that compression spring and arc smooth chamber were passed through to the one end that the arc slide bar was kept away from to the slider.

As a further aspect of the present invention: the first arc loop bar and the one end that the second arc loop bar is close all set up with the smooth chamber intercommunication of arc slide sliding hole that sets up, and the both ends of arc slide bar run through two slide hole settings respectively, the inner wall of slide hole and the lateral wall sliding connection of arc slide bar.

As a further aspect of the present invention: the aluminum plastic film of the battery body is fixedly connected with the radiating fin through soldering.

As a further aspect of the present invention: the fixed block, the fixed plate, the first arc-shaped sleeve rod, the second arc-shaped sleeve rod and the arc-shaped sliding rod are all made of insulating materials through casting, and the insulating materials are selected from any one of engineering plastics, glass fiber reinforced plastics, PVC composite materials and nylon.

As a further aspect of the present invention: the radiating fin is formed by punching a metal material, and the metal material is any one of aluminum, copper and zinc.

As a further aspect of the present invention: the radian radius of the first elastic supporting mechanism is smaller than that of the battery body, and the radian radius of the second elastic supporting mechanism is larger than that of the battery body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up first elastic support mechanism and second elastic support mechanism, when battery body receives the extrusion, fixed block and fixed plate are toward close direction displacement, at this moment, can promote first arc loop bar and second arc loop bar toward close direction displacement on the arc slide bar, two sliders are the relative slip displacement in two arc sliding cavities respectively this moment, two compression spring receive the extrusion shrink of slider and produce elasticity, the elastic action is bounce-back, can weaken the extrusion force between first arc loop bar and the second arc loop bar, thereby realize the outside support guard action to battery body, prevent excessive deformation, the security is improved, and certain elastic buffer guard action has.

2. The radiating fins are arranged on the two sides of the battery body, so that the heat conduction and radiation performance of the device are improved, and the service life is prolonged.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of a crescent soft package lithium ion battery;

fig. 2 is a schematic cross-sectional structure diagram of a first elastic support mechanism in a crescent soft package lithium ion battery.

In the figure: 1. a battery body; 2. a fixed block; 3. a fixing plate; 4. a heat sink; 5. a first arcuate loop bar; 6. a second arc-shaped loop bar; 7. an arc-shaped sliding rod; 8. an arc-shaped sliding cavity; 9. a slider; 10. a compression spring; 11. and (4) a slide hole.

Detailed Description

Referring to fig. 1-2, in the embodiment of the present invention, a crescent soft package lithium ion battery comprises a battery body 1, the battery body 1 is a crescent soft package lithium ion battery mentioned in the background art, as the prior art, two symmetrically disposed fixing blocks 2 are fixedly connected to two ends of a package position of the battery body 1, a fixing plate 3 is fixedly connected to one end of the battery body 1 away from the package position, a first elastic supporting mechanism and a second elastic supporting mechanism are respectively fixedly connected between the two fixing blocks 2 and the fixing plate 3, the first elastic supporting mechanism and the second elastic supporting mechanism are disposed at two sides of the battery body 1, the direction of the radian of the first elastic supporting mechanism and the direction of the radian of the second elastic supporting mechanism are consistent with the direction of the radian of the battery body 1, six cooling fins 4 are disposed at equal intervals along the direction of the radian of two sides of an aluminum-plastic film of the battery body 1, the heat conduction and the heat dissipation of the device are improved, and the service life is prolonged;

the first elastic supporting mechanism and the second elastic supporting mechanism adopt the same structure, the first elastic supporting mechanism comprises a first arc loop bar 5 fixedly connected with a fixed block 2, a second arc loop bar 6 and an arc slide bar 7 fixedly connected with a fixed plate 3, arc slide cavities 8 are respectively arranged in the first arc loop bar 5 and the second arc loop bar 6, two ends of the arc slide bar 7 respectively penetrate and extend into the two arc slide cavities 8 and are respectively fixedly connected with a slide block 9, the two slide blocks 9 are respectively and slidably connected with the two arc slide cavities 8, one end of the slide block 9 far away from the arc slide bar 7 is fixedly connected with the inner wall of one end of the arc slide cavity 8 through a compression spring 10, when the battery body 1 is extruded, the fixed block 2 and the fixed plate 3 displace towards the similar direction, at the moment, the first arc loop bar 5 and the second arc loop bar 6 can be pushed to displace towards the similar direction on the arc slide bar 7, at the moment, the two sliding blocks 9 respectively slide and displace relatively in the two arc-shaped sliding cavities 8, the two compression springs 10 generate elastic force by being extruded and contracted by the sliding blocks 9, the elastic force rebounds, and the extrusion force between the first arc-shaped loop bar 5 and the second arc-shaped loop bar 6 can be weakened, so that the external support protection effect on the battery body 1 is realized, the excessive deformation is prevented, the safety is improved, and a certain elastic buffer protection effect is realized;

in fig. 2: one end of the first arc-shaped loop bar 5, close to the second arc-shaped loop bar 6, is provided with a sliding hole 11 communicated with the arc-shaped sliding cavity 8, two ends of the arc-shaped sliding rod 7 are respectively arranged by penetrating through the two sliding holes 11, and the inner wall of the sliding hole 11 is connected with the outer side wall of the arc-shaped sliding rod 7 in a sliding manner, so that the first arc-shaped loop bar 5 and the second arc-shaped loop bar 6 can move on the arc-shaped sliding rod 7 conveniently;

in fig. 1: the aluminum plastic film of the battery body 1 and the radiating fin 4 are fixedly connected by soldering, so that the connection is firm;

in fig. 1: the fixed block 2, the fixed plate 3, the first arc-shaped loop bar 5, the second arc-shaped loop bar 6 and the arc-shaped slide bar 7 are all made of insulating materials through casting, and the insulating materials are selected from any one of engineering plastics, glass fiber reinforced plastics, PVC composite materials and nylon and have the functions of insulation and electric shock prevention;

in fig. 1: the radiating fins 4 are formed by punching metal materials, and the metal materials are selected from any one of aluminum, copper and zinc, so that the heat conducting and radiating effects are good;

in fig. 1: the radian radius of first elastic support mechanism is less than the radian radius of battery body 1, and the radian radius of second elastic support mechanism is greater than the radian radius of battery body 1, ensures the deformability of this device.

The utility model discloses a theory of operation is: in this device, when battery body 1 receives the extrusion, fixed block 2 and fixed plate 3 toward close direction displacement, this moment, can promote first arc loop bar 5 and second arc loop bar 6 toward close direction displacement on arc slide bar 7, two sliders 9 are relative slip displacement in two arc sliding chambers 8 respectively this moment, two compression spring 10 receive the extrusion shrink of slider 9 and produce elasticity, the elastic action bounce-back, can weaken the extrusion force between first arc loop bar 5 and the second arc loop bar 6, thereby realize the outside support guard action to battery body 1, prevent excessive deformation, the security is improved, and certain springiness cushioning guard action has, secondly, set up fin 4 in battery body 1's both sides, the heat conduction thermal diffusivity of this device is improved, and service life is prolonged.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a soft packet of lithium ion battery of crescent, includes battery body (1), its characterized in that, the encapsulation position both ends fixedly connected with two fixed blocks (2) that the symmetry set up of battery body (1), and battery body (1) keep away from its one end fixedly connected with fixed plate (3) of encapsulation position, two fixedly connected with first elastic support mechanism and second elastic support mechanism respectively between fixed block (2) and fixed plate (3), and first elastic support mechanism and second elastic support mechanism are located the both sides setting of battery body (1), the radian trend of first elastic support mechanism and second elastic support mechanism is unanimous with the radian trend of battery body (1), the plastic-aluminum membrane both sides of battery body (1) are provided with six fin (4) along its radian trend impartial interval arrangement;

first elastic support mechanism and second elastic support mechanism adopt the looks isostructure, first elastic support mechanism include with fixed block (2) fixed connection first arc loop bar (5), with fixed plate (3) fixedly connected with second arc loop bar (6) and arc slide bar (7), arc sliding chamber (8) have all been seted up in first arc loop bar (5) and second arc loop bar (6), the both ends of arc slide bar (7) are run through respectively and are extended to equal fixedly connected with slider (9) in two arc sliding chamber (8), and two slider (9) slide connection with two arc sliding chamber (8) respectively, the one end inner wall fixed connection of arc sliding chamber (8) is passed through compression spring (10) to the one end that arc slide bar (7) were kept away from in slider (9).

2. The crescent soft-package lithium ion battery of claim 1, wherein the sliding holes (11) communicated with the arc sliding cavities (8) are formed in the ends, close to the first arc-shaped loop bar (5) and the second arc-shaped loop bar (6), of the arc-shaped sliding rods (7), the two ends of the arc-shaped sliding rods (7) respectively penetrate through the two sliding holes (11), and the inner walls of the sliding holes (11) are connected with the outer side walls of the arc-shaped sliding rods (7) in a sliding manner.

3. The crescent soft package lithium ion battery according to claim 1, wherein the aluminum plastic film of the battery body (1) is fixedly connected with the heat sink (4) by soldering.

4. The crescent soft package lithium ion battery of claim 1, wherein the fixing block (2), the fixing plate (3), the first arc-shaped loop bar (5), the second arc-shaped loop bar (6) and the arc-shaped sliding bar (7) are made of insulating materials by casting, and the insulating materials are selected from any one of engineering plastics, glass fiber reinforced plastics, PVC composite materials and nylon.

5. The crescent soft package lithium ion battery of claim 1, wherein the heat sink (4) is formed by stamping a metal material, and the metal material is selected from any one of aluminum, copper and zinc.

6. The crescent soft package lithium ion battery of claim 1, wherein the radian radius of the first elastic supporting mechanism is smaller than that of the battery body (1), and the radian radius of the second elastic supporting mechanism is larger than that of the battery body (1).

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