CN213304277U

CN213304277U - Lithium ion battery group with theftproof structure

Info

Publication number: CN213304277U
Application number: CN202022683879.8U
Authority: CN
Inventors: 陈金培; 张均; 王海洋; 钟佳根
Original assignee: Zhifu Electronic Technology Dongguan Co ltd
Current assignee: Zhifu Electronic Technology Dongguan Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-05-28
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a lithium ion battery pack with an anti-theft structure, which comprises a shell, wherein four corners at the bottom end inside the shell are all fixedly provided with a limiting block, the top parts of the four limiting blocks are all provided with a limiting groove, the inside parts of the four limiting grooves are all connected with a sliding block in a sliding way, the top parts of the four sliding blocks are respectively fixedly connected with the bottom parts of four supporting legs, the top parts of the four supporting legs are fixedly connected with the four corners at the bottom part of a transverse plate, the center of the bottom end inside the shell is rotatably connected with a threaded rod, the middle part of the threaded rod is in threaded connection with a driven bevel gear, the lifting device is arranged, so that the maintenance of the lithium battery pack is facilitated for workers, the heat dissipation device is arranged, the problem that the service life of the lithium battery pack is influenced due to overhigh temperature of the battery pack is avoided, through being provided with and putting not hard up device, prevent to remove in-process casing and group battery collision and lead to the group battery to receive the damage.

Description

Lithium ion battery group with theftproof structure

Technical Field

The utility model relates to a battery field specifically is a lithium ion battery group with theftproof structure.

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 a positive electrode, and is inserted into a negative electrode through an electrolyte, the negative electrode is in a lithium-rich state, and the opposite is true during discharging, and the lithium ion battery has the characteristics of high output voltage, high specific energy, stable discharging voltage and long cycle life, so the lithium ion battery is widely applied to the fields of notebook computers, digital cameras and mobile phones, becomes the most widely applied power energy source at present due to the environment-friendly and energy-saving characteristics, and the lithium ion battery pack formed by connecting a plurality of single batteries in series or in parallel or in series and parallel has been increasingly widely used as a power supply energy source to be applied to various fields due to the characteristics of high capacity and high-rate discharging.

But present lithium ion battery group is difficult to take out from its sealed casing, cause the lithium cell extremely difficult to be overhauld, and then lead to the maintenance process of lithium cell extremely inconvenient, and exothermic phenomenon can appear in work, if do not have good heat-radiating equipment to lithium ion battery group to dispel the heat, these heats will gather together, and then probably cause the explosion of lithium ion battery group, and then produce danger, do not set up anti-theft device simultaneously, lead to some lithium ion battery group that need be in outdoor work to be stolen very easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery group with theftproof structure to in solving the traditional lithium ion battery group that proposes in the above-mentioned background art and being in sealed box, inconvenient maintenance, and the heat that produces among the charge-discharge process is difficult for discharging, leads to the battery explosion, does not set up the problem that anti-theft device is easily stolen.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium ion battery pack with an anti-theft structure comprises a shell, wherein limiting blocks are fixedly arranged on four corners of the bottom end in the shell, limiting grooves are formed in the tops of the four limiting blocks, sliding blocks are connected to the insides of the four limiting grooves in a sliding manner, the tops of the four sliding blocks are fixedly connected with the bottoms of four supporting legs respectively, the tops of the four supporting legs are fixedly connected with the four corners of the bottom of a transverse plate, a threaded rod is rotatably connected with the center of the bottom end in the shell, a driven bevel gear is fixedly connected to the middle of the threaded rod, a rotating shaft is connected to one side of the shell in an inserting manner, a handle is fixedly connected to one end of the rotating shaft, a driving bevel gear is fixedly connected to the other end of the rotating shaft, one side of the driving bevel gear is meshed with one side of the, the bottom of thread bush and the one end threaded connection of threaded rod, the fixed lithium cell group that is provided with in top of diaphragm, the top fixedly connected with radiating fin of lithium cell group, the equal fixed recess of having seted up in center of the inside both sides of casing, the inner wall fixedly connected with backup pad of recess, the rectangular channel has been seted up to the bottom of backup pad one side, the top fixedly connected with connecting block of backup pad one side, the bottom of connecting block is connected with the fly leaf through rotation axis, one side fixed connection of spring and rectangular channel is passed through to the bottom of fly leaf one side, the top of casing one side articulates there is the safety cover, circular through-hole has been seted up at the center at safety cover top, the fixed fan that is provided with in.

As an optimal technical scheme of the utility model, the fixed pickproof lock that is provided with in one side of safety cover bottom, one side fixed mounting of pickproof lock has the lockpin, the key hole has been seted up to one side at casing top, the lockpin hole has been seted up on the top of the inside one side of casing, just the lockpin hole corresponds the setting with the lockpin.

As a preferred technical scheme of the utility model, a plurality of evenly distributed's louvre is seted up in the front of casing, and is a plurality of the inside of louvre and the inside of circular through-hole are all fixed and are provided with the filter screen.

As an optimized technical proposal of the utility model, the shell and the safety cover are made of carbon steel.

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

1. through the matching of the handle, the conical gear, the threaded rod and the transverse plate, when the lithium battery pack is damaged, the threaded rod is rotated by rotating the handle to drive the transverse plate to ascend, so that the lithium battery pack is quickly lifted out of the shell, and the convenience of workers in lithium battery overhaul can be improved;

2. by arranging the heat dissipation device, the heat dissipation fins conduct heat generated by the lithium battery pack during operation, and the heat dissipated by the lithium battery body can be quickly led into the air under the action of the through holes, the fan and the heat dissipation holes, so that the over-high heat of the lithium battery body can be avoided, and the service life of the lithium battery body can be prolonged;

3. can closely laminate lithium cell group in the casing is inside through the locking device that moves that sets up in the casing, prevent that the casing when removing, lithium cell group and the inside collision of casing cause lithium cell group to damage, and be provided with the pickproof lock, can effectively prevent that some lithium ion battery groups that need be at the field work from being stolen.

Drawings

Fig. 1 is a front cross-sectional view of a lithium ion battery pack with an anti-theft structure according to the present invention;

fig. 2 is a perspective view of a lithium ion battery pack with an anti-theft structure according to the present invention;

fig. 3 is a top view of a safety cover of a lithium ion battery pack with an anti-theft structure according to the present invention;

fig. 4 is an enlarged view of a portion a of the lithium ion battery pack with an anti-theft structure according to the present invention.

In the figure: 1. a housing; 2. a transverse plate; 3. a support leg; 4. a limiting block; 5. a slider; 6. a threaded rod; 7. a driven bevel gear; 8. a handle; 9. a driving bevel gear; 10. a threaded sleeve; 11. a lithium battery pack; 12. a heat dissipating fin; 13. a groove; 14. a support plate; 15. a rectangular groove; 16. connecting blocks; 17. a movable plate; 18. a spring; 19. a circular through hole; 20. a safety cover; 21. a fan; 22. an anti-theft lock; 23. a key hole; 24. heat dissipation holes; 25. and (4) a filter 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. 1-4, the utility model provides a lithium ion battery pack with an anti-theft structure, which comprises a casing 1, wherein stoppers 4 are fixedly arranged at four corners of the bottom end inside the casing 1, limiting grooves are formed at the tops of the four stoppers 4, sliders 5 are slidably connected inside the four limiting grooves, the tops of the four sliders 5 are respectively and fixedly connected with the bottoms of four supporting legs 3, the tops of the four supporting legs 3 are fixedly connected with the four corners of the bottom of a transverse plate 2, a threaded rod 6 is rotatably connected at the center of the bottom end inside the casing 1, a driven bevel gear 7 is fixedly connected at the middle part of the threaded rod 6, a rotating shaft is penetratingly connected with one side of the casing 1, a handle 8 is fixedly connected with one end of the rotating shaft, a driving bevel gear 9 is fixedly connected with the other end of the rotating shaft, one side of the, center fixedly connected with thread bush 10 of diaphragm 2 bottom, the bottom of thread bush 10 and the one end threaded connection of threaded rod 6, the fixed lithium cell group 11 that is provided with in top of diaphragm 2, the top fixedly connected with radiating fin 12 of lithium cell group 11, the equal fixed recess 13 of having seted up in center of the inside both sides of casing 1, the inner wall fixedly connected with backup pad 14 of recess 13, rectangular channel 15 has been seted up to the bottom of backup pad 14 one side, the top fixedly connected with connecting block 16 of backup pad 14 one side, the bottom of connecting block 16 is connected with fly leaf 17 through rotation axis, one side fixed connection of spring 18 with rectangular channel 15 is passed through to the bottom of fly leaf 17 one side, the top of casing 1 one side articulates there is safety cover 20, circular through-hole 19 has been seted up at the center at safety cover 20 top.

Preferably, an anti-theft lock 22 is fixedly arranged on one side of the bottom of the safety cover 20, a lock pin is fixedly arranged on one side of the anti-theft lock 22, a key hole 23 is formed in one side of the top of the casing 1, a lock pin hole is formed in the top end of one side inside the casing 1, the lock pin hole corresponds to the lock pin, a key is inserted into the key hole 23 to rotate the lock cylinder of the anti-theft lock 22, the lock pin is controlled to lock the safety cover 20 and the casing 1, and the lithium battery pack 11 is prevented from being stolen.

Preferably, a plurality of evenly distributed's louvre 24 has been seted up in casing 1's front, and the inside of a plurality of louvres 24 and the inside of circular through-hole 19 are all fixed and are provided with filter screen 25, filter the air that gets into in casing 1, avoid dust and impurity in the air to get into casing 1, and the dust is attracted by the static easily, leads to the dust to cover on lithium cell group 11, influences the heat dissipation of lithium cell group 11.

Preferably, the housing 1 and the safety cover 20 are made of carbon steel and can be directly welded to a place where installation is needed, and the direct disassembly by a thief is difficult.

When the lithium ion battery pack with the anti-theft structure is used, the lithium ion battery pack 11 conducts heat generated in the charging and discharging process to the radiating fins 12, the heat on the radiating fins 12 blows outside air to the radiating fins 12 through the fan 21 in the through hole to cool the radiating fins 12, the air flows out of the shell 1 through the radiating holes 24, the air flow in the shell 1 is accelerated, the lithium ion battery pack can be prevented from exploding due to overhigh temperature and further generating dangerous conditions, when the lithium ion battery pack 11 is damaged after being used for a long time and needs to be overhauled, the handle 8 is manually rotated to drive the driving bevel gear 9 to rotate so as to drive the driven bevel gear 7 to rotate, the driven bevel gear 7 rotates to drive the threaded rod 6 to rotate so as to drive the transverse plate 2 to move up and down, and when the transverse plate 2 moves up and down, four corners at the bottom slide in the limiting block 4 through the supporting legs 3, stability when diaphragm 2 has been promoted to remove, lithium cell group 11 and fly leaf 17 contact, make fly leaf 17 laminate to backup pad 14 direction gradually, spring 18 is compressed and produces elasticity, elasticity acts on lithium cell group 11 through fly leaf 17, lithium cell group 11 produces reaction force, make lithium cell group 11 and casing 1 zonulae occludens, prevent that whole casing 1 from colliding with casing 1 and causing the damage at the in-process lithium cell group 11 that removes, because casing 1 and package shopping are carbon steel and make, but the lug weld is in the position that needs the installation, accessible pickproof lock 22 pins between casing 1 and the safety cover 20, make the thief be difficult to directly open or dismantle.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a lithium ion battery group with theftproof structure, includes casing (1), its characterized in that: the four corners of the bottom end in the shell (1) are fixedly provided with limit blocks (4), the tops of the four limit blocks (4) are provided with limit grooves, the interiors of the four limit grooves are connected with slide blocks (5) in a sliding manner, the tops of the four slide blocks (5) are respectively fixedly connected with the bottoms of the four support legs (3), the tops of the four support legs (3) are fixedly connected with the four corners of the bottom of the transverse plate (2), the center of the bottom end in the shell (1) is rotatably connected with a threaded rod (6), the middle part of the threaded rod (6) is fixedly connected with a driven bevel gear (7), one side of the shell (1) is alternately connected with a rotating shaft, one end of the rotating shaft is fixedly connected with a handle (8), the other end of the rotating shaft is fixedly connected with a driving bevel gear (9), and one side of the driving bevel gear (9) is meshed with one side, the center of the bottom of the transverse plate (2) is fixedly connected with a threaded sleeve (10), the bottom of the threaded sleeve (10) is in threaded connection with one end of a threaded rod (6), a lithium battery pack (11) is fixedly arranged at the top of the transverse plate (2), heat radiating fins (12) are fixedly connected at the top of the lithium battery pack (11), grooves (13) are fixedly formed in the centers of two sides of the inner part of the shell (1), a supporting plate (14) is fixedly connected to the inner wall of each groove (13), a rectangular groove (15) is formed in the bottom end of one side of the supporting plate (14), a connecting block (16) is fixedly connected to the top end of one side of the supporting plate (14), a movable plate (17) is rotatably connected to the bottom of the connecting block (16) through a rotating shaft, and the bottom end of one side of the movable plate (17, the top of one side of the shell (1) is hinged with a safety cover (20), a circular through hole (19) is formed in the center of the top of the safety cover (20), and a fan (21) is fixedly arranged inside the circular through hole (19).

2. The lithium ion battery pack with the anti-theft structure according to claim 1, wherein: an anti-theft lock (22) is fixedly arranged on one side of the bottom of the safety cover (20), a lock pin is fixedly arranged on one side of the anti-theft lock (22), a key hole (23) is formed in one side of the top of the shell (1), a lock pin hole is formed in the top end of one side of the inside of the shell (1), and the lock pin hole and the lock pin are arranged correspondingly.

3. The lithium ion battery pack with the anti-theft structure according to claim 1, wherein: a plurality of radiating holes (24) which are uniformly distributed are formed in the front face of the shell (1), and a filter screen (25) is fixedly arranged inside the radiating holes (24) and inside the circular through hole (19).

4. The lithium ion battery pack with the anti-theft structure according to claim 1, wherein: the shell (1) and the safety cover (20) are both made of carbon steel.