CN214313335U

CN214313335U - Cell structure of a large-capacity lithium-ion battery

Info

Publication number: CN214313335U
Application number: CN202120594887.7U
Authority: CN
Inventors: 朱维佳
Original assignee: Dongguan Lanfang Power Lithium Technology Co ltd
Current assignee: Dongguan Lanfang Power Lithium Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-09-28
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a battery cell structure of a large-capacity lithium ion battery, which comprises a battery box and a battery main body. The battery box is internally provided with a battery main body, a torsion spring is fixedly connected to the connecting rods, and the tops of the connecting rods are fixedly connected to each other. There are limit blocks, top blocks are slidably connected to both sides of the battery box, and the inner side of the top blocks are fixedly connected to a shell, an L-shaped rod is arranged in the middle of the shell, a limit rod is set on the shell, and a limit rod is set on the L-shaped rod. The position slot, the limit rod and the limit slot are slidably connected. By inserting the battery body from the chute into the battery box, it is stuck inside the battery box under the action of the limit block. When it needs to be taken out, just press the top. When the top block moves inward, it drives the shell, and then moves in the limit slot through the limit rod, drives the L-shaped rod to rotate inward to make the limit block rotate, and finally pushes the battery body out under the action of the compression spring. Battery box for easy installation and removal of the battery body.

Description

Cell structure of high-capacity lithium ion battery

Technical Field

The utility model relates to a battery field specifically is a large capacity lithium ion battery's electric core structure.

Background

The lithium ion battery is a secondary battery (rechargeable battery) which mainly depends on the movement of lithium ions between a positive electrode and a negative electrode to work, the lithium ions are inserted and extracted back and forth between the two electrodes in the charging and discharging process, the lithium ions are extracted from the positive electrode and inserted into the negative electrode through an electrolyte during charging, the negative electrode is in a lithium-rich state, and the lithium ions are opposite during discharging.

Lithium ion battery all can generate heat because of the reason of its own principle at the in-process of charging and discharging, and the heat is too high can have certain danger to need to take out the battery box with the battery occasionally and charge or maintain, the dismouting is inconvenient.

To the above problems, the existing device is improved, and a cell structure of a high-capacity lithium ion battery is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large capacity lithium ion battery's electric core structure adopts this device to work to battery temperature height has dangerous and the not convenient problem of dismouting in having solved above-mentioned background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a large capacity lithium ion battery's electric core structure, includes battery box and battery main body, and the inside of battery box is provided with battery main body, and the battery box is still including being provided with the spout corresponding with battery main body, and the inner wall of battery box is provided with the refrigeration piece, and battery box and the corresponding position evenly distributed of refrigeration piece have the radiating groove, and the fixed surface of radiating groove is connected with radiator fan.

Further, four equal fixedly connected with landing legs in bottom of battery box, the equal fixedly connected with base in bottom of landing leg all are provided with the mounting hole on the base.

Further, the inside rear end inner wall both sides of battery box all are provided with the shell fragment, all fixedly connected with conducting rod on the shell fragment, and the both sides of conducting rod all outwards run through the battery box and extend.

Furthermore, the inner wall of the rear end of the battery box is fixedly connected with a push plate through a compression spring.

Further, the battery main body comprises an electric core and a protection circuit board, output ends are arranged on the left side and the right side of one end of the battery main body, and the output ends correspond to the positions of the elastic pieces.

Further, the bottom inner wall both sides of battery box all are connected with the connecting rod through the pivot rotation, equal fixedly connected with torsion spring on the connecting rod, and torsion spring's other end fixed connection is in the bottom of battery box, the equal fixedly connected with stopper in top of connecting rod.

Further, the equal sliding connection in both sides of battery box has the kicking block, and the equal fixedly connected with casing in inboard of kicking block is provided with L shape pole in the middle of the casing, is provided with the gag lever post on the casing, is provided with the spacing groove on the L shape pole, gag lever post and spacing groove sliding connection.

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

1. the utility model provides a large capacity lithium ion battery's electric core structure, the inner wall of battery box is provided with the refrigeration piece, battery box and the corresponding position evenly distributed of refrigeration piece have the radiating groove, the fixed surface of radiating groove is connected with radiator fan, the heat that the battery main part during operation produced cools down through the refrigeration piece, radiator fan can play radiating effect, also can in time cool down for the other end of refrigeration piece, guaranteed that the battery main part can in time dispel the heat at the during operation, promote the security.

2. The utility model provides a pair of large capacity lithium ion battery's electric core structure, the inside rear end inner wall both sides of battery box all are provided with the shell fragment, equal fixedly connected with conducting rod on the shell fragment, the both sides of conducting rod all outwards run through the battery box and extend, the battery main part includes electric core and protection circuit board, the left and right sides of the one end of battery main part all is provided with the output, and the output is corresponding with the position of shell fragment, made things convenient for the outside at the battery box to work a telephone switchboard, avoid directly working a telephone switchboard above the battery main part, time saving and labor saving, the bad production spark oxidation output of contact has also been avoided.

3. The utility model provides an electricity core structure of large capacity lithium ion battery, the bottom inner wall both sides of battery box are all connected with the connecting rod through the pivot rotation, all fixedly connected with torsion spring on the connecting rod, torsion spring's the other end is fixedly connected at the bottom of battery box, the top of connecting rod all fixedly connected with stopper, the both sides of battery box all slidably connected with kicking block, the inboard of kicking block all fixedly connected with casing, be provided with L shape pole in the middle of the casing, be provided with the gag lever post on the casing, be provided with the spacing groove on the L shape pole, gag lever post and spacing groove sliding connection, through stopping battery main part from the spout inside of battery box, block in the battery box inside, only need press the kicking block when needing to take out, drive the casing when the kicking block moves inwards, and then through the activity of gag lever post in the spacing groove, drive L shape pole internal rotation impel the stopper to rotate, and finally, the battery main body is ejected out of the battery box under the action of the compression spring, so that the battery main body is convenient to mount and take out.

Drawings

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

fig. 2 is a schematic structural view of the battery main body of the present invention;

fig. 3 is an exploded view of the battery box structure of the present invention;

fig. 4 is an exploded view of the internal structure of the battery box of the present invention.

In the figure: 1. a battery box; 11. a compression spring; 12. pushing the plate; 13. a conductive rod; 14. a spring plate; 15. a rotating shaft; 16. a connecting rod; 17. a limiting block; 18. a torsion spring; 19. a top block; 191. a housing; 192. a limiting rod; 193. an L-shaped rod; 194. a limiting groove; 2. a chute; 3. a battery main body; 31. an electric core; 32. a protection circuit board; 33. an output end; 4. a support leg; 41. a base; 42. mounting holes; 5. a refrigeration plate; 6. a heat radiation fan; 7. a heat dissipation groove.

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. 1-3, a cell structure of a large-capacity lithium ion battery, a battery box 1 is a cuboid and has a cavity inside, a battery body 3 is slidably connected in the cavity, one end of the cavity is open, a chute 2 corresponding to the battery body 3 is arranged at the opening, four corners of the bottom of the battery box 1 are fixedly connected with supporting legs 4, the bottoms of the supporting legs 4 are fixedly connected with a base 41, mounting holes 42 for mounting screws or bolts for fixing are arranged on the base 41, refrigerating sheets 5 are fixedly connected to the upper and lower inner walls of the cavity of the battery box 1, heat dissipation grooves 7 corresponding to the refrigerating sheets 5 are uniformly distributed on the top and bottom of the battery box 1, heat dissipation fans 6 are fixedly connected to the positions of the top and bottom of the battery box 1 corresponding to the heat dissipation grooves 7, heat generated when the battery body 3 works is cooled by the refrigerating sheets 5, and the heat dissipation fans 6 can perform the heat dissipation function, the other end of the refrigeration sheet 5 can be cooled in time.

Referring to fig. 4, a cell structure of a large-capacity lithium ion battery, where spring plates 14 are disposed on both left and right sides in a cavity of a battery box 1, the spring plates 14 are made of copper, conductive rods 13 are fixedly connected to the spring plates 14, both sides of the conductive rods 13 extend outward through the battery box 1, a battery main body 3 includes a cell 31 and a protection circuit board 32, output ends 33 are disposed on both left and right sides of one end of the cell 31, and the output ends 33 correspond to the positions of the spring plates 14, thereby facilitating the wiring outside the battery box 1, avoiding the direct wiring on the battery main body 3, saving time and labor, avoiding the generation of a spark oxidation output end 33 due to poor contact, a push plate 12 is fixedly connected to the rear end of the interior of the battery box 1 through a compression spring 11, connecting rods 16 are rotatably connected to both left and right sides of the bottom inner wall of the cavity through a rotating shaft 15, and torsion springs 18 are fixedly connected to the connecting rods 16, two ends of a torsion spring 18 are respectively fixedly connected to the inner wall of the bottom of the battery box 1 and the connecting rod 16, torsion is generated when the connecting rod 16 rotates, the top of the connecting rod 16 is fixedly connected with a limiting block 17, the limiting block 17 is in a triangular prism shape and is in a right triangle shape in an overlooking state, the top of the limiting block 17 is fixedly connected with an L-shaped rod 193, the L-shaped rod 193 is movably provided with a shell 191, the shell 191 is provided with a limiting rod 192, the L-shaped rod 193 is provided with a limiting groove 194, the limiting rod 192 is in sliding connection with the limiting groove 194, the outer side of the shell 191 is fixedly connected with a top block 19, a battery body 3 is plugged into the battery box 1 from the sliding groove 2 and clamped in the battery box 1 under the action of the limiting block 17, when the battery needs to be taken out, the top block 19 only needs to be pressed, the shell 191 is driven when the top block 19 moves inwards, and then moves in the limiting groove 194 through the limiting rod 192, the L-shaped rod 193 is driven to rotate inwards to drive the limiting block 17 to rotate, and finally the battery body 3 is ejected out of the battery box 1 under the action of the compression spring 11, so that the battery body 3 is convenient to install and take out.

The working principle is as follows: the battery body 3 is inserted into the battery box 1 from the sliding groove 2, clamped in the battery box 1 under the action of the limiting block 17, when the drawer needs to be taken out, only the top block 19 needs to be pressed, the shell 191 is driven when the top block 19 moves inwards, and then the limiting rod 192 moves in the limiting groove 194 to drive the L-shaped rod 193 to rotate inwards to drive the limiting block 17 to rotate, and finally the battery main body 3 is ejected out of the battery box 1 under the action of the compression spring 11, so that the battery main body 3 is convenient to mount and take out, the left side and the right side of one end of the battery core 31 are both provided with output ends 33, and output 33 corresponds to the position of shell fragment 14, has made things convenient for and has carried out the wiring in the outside of battery box 1, avoids directly carrying out the wiring on battery main part 3, and the heat that battery main part 3 during operation produced cools down through refrigeration piece 5, and radiator fan 6 can play radiating effect, also can in time cool down for the other end of refrigeration piece 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a large capacity lithium ion battery's electric core structure, includes battery box (1) and battery subject (3), and the inside of battery box (1) is provided with battery subject (3), its characterized in that: the battery box (1) further comprises a sliding groove (2) corresponding to the battery body (3), the inner wall of the battery box (1) is provided with a refrigerating sheet (5), heat dissipation grooves (7) are uniformly distributed in positions of the battery box (1) corresponding to the refrigerating sheet (5), and the surface of each heat dissipation groove (7) is fixedly connected with a heat dissipation fan (6).

2. The cell structure of a high-capacity lithium ion battery of claim 1, wherein: four equal fixedly connected with landing legs (4) in bottom of battery box (1), the equal fixedly connected with base (41) in bottom of landing leg (4), all be provided with mounting hole (42) on base (41).

3. The cell structure of a high-capacity lithium ion battery of claim 1, wherein: the battery box is characterized in that elastic pieces (14) are arranged on two sides of the inner wall of the rear end of the interior of the battery box (1), conductive rods (13) are fixedly connected to the elastic pieces (14), and the two sides of each conductive rod (13) outwards penetrate through the battery box (1) and extend.

4. The cell structure of a high-capacity lithium ion battery of claim 2, wherein: the inner wall of the rear end of the battery box (1) is fixedly connected with a push plate (12) through a compression spring (11).

5. The cell structure of a high-capacity lithium ion battery of claim 1, wherein: the battery body (3) comprises a battery core (31) and a protection circuit board (32), output ends (33) are arranged on the left side and the right side of one end of the battery body (3), and the output ends (33) correspond to the positions of the elastic sheets (14).

6. The cell structure of a high-capacity lithium ion battery of claim 5, wherein: the battery box is characterized in that connecting rods (16) are rotatably connected to two sides of the inner wall of the bottom of the battery box (1) through rotating shafts (15), torsion springs (18) are fixedly connected to the connecting rods (16), the other ends of the torsion springs (18) are fixedly connected to the bottom of the battery box (1), and limiting blocks (17) are fixedly connected to the tops of the connecting rods (16).

7. The cell structure of a high-capacity lithium ion battery of claim 1, wherein: the battery box is characterized in that ejector blocks (19) are connected to two sides of the battery box (1) in a sliding mode, a shell (191) is fixedly connected to the inner side of each ejector block (19), an L-shaped rod (193) is arranged in the middle of each shell (191), a limiting rod (192) is arranged on each shell (191), a limiting groove (194) is formed in each L-shaped rod (193), and each limiting rod (192) is connected with the corresponding limiting groove (194) in a sliding mode.