CN217468615U

CN217468615U - Aluminum alloy battery pack adopting laser welding

Info

Publication number: CN217468615U
Application number: CN202220976186.4U
Authority: CN
Inventors: 徐光波; 张铁龙
Original assignee: Jiangsu Maier Auto Parts Co ltd
Current assignee: Jiangsu Maier Auto Parts Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-20
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses an aluminum alloy battery pack adopting laser welding, which comprises an aluminum alloy battery pack shell, wherein the outer wall of the aluminum alloy battery pack shell is fixedly connected with a plurality of radiating fan blades, two sleeves are symmetrically arranged on both sides of the inner wall of the aluminum alloy battery pack shell, movable blocks are fixedly connected with the inner walls of the four sleeves, a plurality of buffer springs are fixedly connected with the front sides of the four movable blocks, and an extrusion air bag is fixedly connected with the front sides of the plurality of buffer springs, through the matching of the movable blocks, the buffer springs and the extrusion air bag, when the battery pack is placed in the aluminum alloy battery pack shell, both sides of the battery pack are extruded through the extrusion air bag, because the extrusion air bag has certain flexibility, the battery pack can be effectively protected, the arranged buffer springs play a role of buffering, when the battery pack is shaken, the battery pack can be protected by driving the extrusion air bag through the contraction and the extension of the buffer spring.

Description

Aluminum alloy battery pack adopting laser welding

Technical Field

The utility model relates to an aluminum alloy battery package, in particular to adopt laser welding's aluminum alloy battery package.

Background

Along with the development of energy conservation, environmental protection and light weight of automobiles, the materials of the battery can shell also appear a plurality of light weight materials such as glass fiber reinforced composite materials, SMC sheet materials, carbon fiber composite materials and the like, but due to factors such as technology, cost and the like, the materials are not applied on a large scale. At present, most of the new energy automobile battery pack shell is made of aluminum alloy materials and laser welding is adopted, the density of the aluminum alloy battery pack shell material is low, and the patching requirement of the energy density of a battery system is easily met, so that the new energy automobile battery pack shell material is large in using amount at present and becomes a mainstream.

However, the existing aluminum alloy battery pack adopting laser welding has a poor structure and certain defects:

the existing aluminum alloy battery pack does not usually have a structure for protecting the internal battery during installation, so that the internal battery is loosened and abraded when jolting for a long time, the service life of the battery is influenced, the heat dissipation structure of the battery pack is incomplete, the battery cannot be uniformly cooled, and the service life of the whole battery is also influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adopt laser welding's aluminum alloy battery package to current aluminum alloy battery package that proposes in solving above-mentioned background does not have the structure that carries out the protection to the internal battery usually when the installation and the heat radiation structure of battery package is incomplete, can't be to the even radiating problem of battery.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adopt laser welding's aluminum alloy battery package, includes aluminum alloy battery package shell, a plurality of heat dissipation fan pieces of outer wall fixedly connected with of aluminum alloy battery package shell, the equal symmetry in both sides of aluminum alloy battery package shell inner wall is equipped with two sleeves, four the equal fixedly connected with movable block of telescopic inner wall, four a plurality of buffer spring of the equal fixedly connected with in front of movable block, it is a plurality of buffer spring's the equal fixedly connected with extrusion gasbag in front, it is a plurality of the outer wall of extrusion gasbag all with adjacent telescopic inner wall sliding connection, the top of aluminum alloy battery package shell is equipped with the top cap.

As a preferred technical scheme of the utility model, two draw-in grooves, four have been seted up to the equal symmetry in both sides of aluminum alloy battery package shell inner wall the equal fixedly connected with fixture block in four corners at the sleeve back, it is adjacent a set of the outer wall of fixture block all with the inner wall sliding connection of draw-in groove.

As an optimal technical scheme of the utility model, a plurality of ventholes, adjacent a set of have all been seted up in the four corners of aluminum alloy battery package shell inner wall the front of air outlet is all corresponded to the one end of venthole is laminated mutually.

As a preferred technical scheme of the utility model, the through-hole has all been seted up, four in the four corners on aluminum alloy battery package shell top the inner wall of through-hole all alternates and is connected with the connecting pipe, four the top of connecting pipe all runs through with the four corners of inner chamber bottom is fixed.

As a preferred technical scheme of the utility model, the inner chamber has been seted up to the inside of top cap, the top fixed mounting of the inner wall of inner chamber has the fan.

As a preferred technical scheme of the utility model, the four corners of inner chamber inner wall is all fixed to be run through there is the air guide fill, four the one end of air guide fill all runs through with the top of adjacent connecting pipe is fixed.

As an optimal technical scheme of the utility model, four a plurality of air outlets have all been seted up to one side that the connecting pipe outer wall is close to each other, and is a plurality of the size of air outlet is all unanimous.

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

1. the utility model relates to an adopt laser welding's aluminum alloy battery package, through having set up the sleeve, the movable block, buffer spring and extrusion gasbag's cooperation, place the battery package when aluminum alloy battery package shell is inside, the both sides of battery package are extruded through the extrusion gasbag, because extrusion gasbag self has certain pliability, can carry out effectual protection to the battery package, the buffer spring of setting plays the cushioning effect, when the battery package is receiving when rocking, accessible buffer spring's shrink with extend and drive the extrusion gasbag and protect the battery package, collide the inside condition that causes the damage of aluminum alloy battery package shell when avoiding rocking.

2. The utility model relates to an adopt laser welding's aluminum alloy battery package, through having set up the top cap, the fan, the air guide fill, the cooperation of connecting pipe and air outlet, it is inside deep into the through-hole to drive the connecting pipe when the top of top cap and aluminum alloy battery package shell is fixed, the air outlet is laminated with corresponding gas outlet hole this moment, carry wind-force to the inner chamber inside through the fan operation, it runs through to inside the connecting pipe to drive wind-force under the cooperation that the air guide was fought, further cooperation through air outlet and gas outlet transmits wind-force to aluminum alloy battery package shell internal reaction on the battery package, play effective and even radiating effect to the battery package.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the middle sleeve and the squeeze bag of the present invention;

fig. 3 is a schematic bottom view of the middle top cover of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

In the figure: 1. an aluminum alloy battery pack shell; 2. a heat radiation fan sheet; 3. a card slot; 4. a clamping block; 5. a sleeve; 6. a movable block; 7. a buffer spring; 8. extruding the air bag; 9. a through hole; 10. an air outlet; 11. a top cover; 12. an inner cavity; 13. a fan; 14. a wind guide hopper; 15. a connecting pipe; 16. and (7) air outlet.

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. 1-4, the present invention provides a technical solution of an aluminum alloy battery pack using laser welding:

the first embodiment is as follows:

as shown in figures 1 and 2, an aluminum alloy battery pack adopting laser welding comprises an aluminum alloy battery pack shell 1, a plurality of radiating fan blades 2 are fixedly connected to the outer wall of the aluminum alloy battery pack shell 1, two sleeves 5 are symmetrically arranged on both sides of the inner wall of the aluminum alloy battery pack shell 1, movable blocks 6 are fixedly connected to the inner walls of the four sleeves 5, a plurality of buffer springs 7 are fixedly connected to the front sides of the four movable blocks 6, extrusion air bags 8 are fixedly connected to the front sides of the buffer springs 7, the outer walls of the extrusion air bags 8 are slidably connected with the inner walls of the adjacent sleeves 5, a top cover 11 is arranged on the top of the aluminum alloy battery pack shell 1, and when the battery pack is placed inside the aluminum alloy battery pack shell 1 through the matching of the sleeves 5, the movable blocks 6, the buffer springs 7 and the extrusion air bags 8, the two sides of the battery pack are extruded through the extrusion air bags 8, because extrusion gasbag 8 self has certain pliability, can carry out effectual protection to the battery package, buffer spring 7 of setting plays the cushioning effect, when the battery package is receiving when rocking, accessible buffer spring 7's shrink drives extrusion gasbag 8 with the extension and protects the battery package, collide the condition that causes the damage to aluminium alloy battery package shell 1 inside when avoiding rocking, two draw-in grooves 3 have been seted up to the equal symmetry in both sides of 1 inner wall of aluminium alloy battery package shell, the equal fixedly connected with fixture block 4 in four corners at the 5 backs of four sleeves, the outer wall of a set of fixture block 4 adjacent all with the inner wall sliding connection of draw-in groove 3.

Example two:

on the basis of the first embodiment, as shown in fig. 1, fig. 3 and fig. 4, a plurality of air outlets 10 are all formed in four corners of the inner wall of the aluminum alloy battery pack case 1, one ends of a group of adjacent air outlets 10 are all attached to the front surface of the air outlet 16, through holes 9 are all formed in four corners of the top end of the aluminum alloy battery pack case 1, connecting pipes 15 are all connected to the inner walls of the four through holes 9 in an inserting manner, the top ends of the four connecting pipes 15 are all fixedly penetrated through the four corners of the bottom end of the inner cavity 12, an inner cavity 12 is formed in the top cover 11, a fan 13 is fixedly mounted at the top end of the inner wall of the inner cavity 12, air guide buckets 14 are fixedly penetrated through the four corners of the inner wall of the inner cavity 12, one ends of the four air guide buckets 14 are all fixedly penetrated through the top ends of the adjacent connecting pipes 15, a plurality of air outlets 16 are all formed in one side, the outer walls of the four connecting pipes 15 are close to each other, the sizes of the plurality of the air outlets 16 are all consistent, and the air outlets are formed by the top cover 11, Fan 13, air guide hopper 14, the cooperation of connecting pipe 15 and air outlet 16, it is inside to drive connecting pipe 15 and go deep into through-hole 9 with top cap 11 and aluminum alloy battery package shell 1's top fixed, air outlet 16 laminates with corresponding venthole 10 mutually this moment, carry wind-force to inner chamber 12 inside through fan 13 operation, it runs through to connecting pipe 15 inside to drive wind-force under air guide hopper 14's cooperation, further cooperation through air outlet 16 and venthole 10 transmits wind-force to aluminum alloy battery package shell 1 internal action on the battery package, play effective and even radiating effect to the battery package.

The working principle is as follows: when the device is used, a battery pack is placed in the aluminum alloy battery pack shell 1, the outer wall of the battery pack is extruded and protected through the four extrusion air bags 8, when the device is shaken during operation, the arranged buffer spring 7 plays a role in auxiliary buffering, shaking power is dispersed, the battery pack is kept stable in the aluminum alloy battery pack shell 1, the clamping block 4 is taken out in the clamping groove 3 in a sliding mode, the whole body can be disassembled and maintained, when the top cover 11 is clamped at the top of the aluminum alloy battery pack shell 1 during installation, the connecting pipe 15 is driven to penetrate into the through hole 9, after the air outlet 16 and the air outlet 10 are consistent in position and are mutually attached, the fan 13 is operated to convey wind power to the inner cavity 12, the wind power is driven to penetrate into the connecting pipe 15 under the cooperation of the wind guide hopper 14, and further the wind power is transmitted to the inner part of the aluminum alloy battery pack shell 1 through the cooperation of the air outlet 16 and the air outlet 10 to act on the battery pack, the heat dissipation function is achieved, and the arranged heat dissipation fan blades 2 also have the heat conduction and heat dissipation functions.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

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

1. The utility model provides an adopt laser welding's aluminum alloy battery package, includes aluminum alloy battery package shell (1), its characterized in that: the aluminum alloy battery package shell (1) outer wall fixedly connected with a plurality of heat dissipation fan blades (2), the equal symmetry in both sides of aluminum alloy battery package shell (1) inner wall is equipped with two sleeves (5), four the equal fixedly connected with movable block (6) of inner wall of sleeve (5), four a plurality of buffer spring (7) of the equal fixedly connected with in front of movable block (6), it is a plurality of buffer spring (7) the equal fixedly connected with in front extrude gasbag (8), it is a plurality of the outer wall of extrusion gasbag (8) all with the inner wall sliding connection of adjacent sleeve (5), the top of aluminum alloy battery package shell (1) is equipped with top cap (11).

2. The aluminum alloy battery pack for laser welding according to claim 1, wherein: two clamping grooves (3), four are symmetrically formed in two sides of the inner wall of the aluminum alloy battery pack shell (1), four clamping blocks (4) are fixedly connected to four corners of the back face of the sleeve (5) in a four-corner mode, and the clamping blocks (4) are adjacent to one another and are connected with the inner wall of the clamping grooves (3) in a sliding mode.

3. The aluminum alloy battery pack adopting laser welding as claimed in claim 1, wherein: a plurality of air outlets (10) are formed in four corners of the inner wall of the aluminum alloy battery pack shell (1), and one end of each air outlet (10) is adjacent to the front face of the corresponding air outlet (16).

4. The aluminum alloy battery pack for laser welding according to claim 1, wherein: through-hole (9), four have all been seted up in the four corners on aluminum alloy battery package shell (1) top the inner wall of through-hole (9) all alternates and is connected with connecting pipe (15), four the top of connecting pipe (15) all runs through with the four corners of inner chamber (12) bottom is fixed.

5. The aluminum alloy battery pack for laser welding according to claim 1, wherein: an inner cavity (12) is formed in the top cover (11), and a fan (13) is fixedly mounted at the top end of the inner wall of the inner cavity (12).

6. The aluminum alloy battery pack for laser welding according to claim 5, wherein: four corners of the inner wall of the inner cavity (12) are fixedly provided with air guide hoppers (14) in a penetrating manner, and one ends of the air guide hoppers (14) are fixedly penetrated with the tops of the adjacent connecting pipes (15).

7. The aluminum alloy battery pack for laser welding according to claim 6, wherein: four a plurality of air outlets (16), a plurality of are all seted up to one side that the outer wall of connecting pipe (15) is close to each other the size of air outlet (16) is all unanimous.