CN210429919U

CN210429919U - Lithium battery with good safety performance

Info

Publication number: CN210429919U
Application number: CN201921517162.7U
Authority: CN
Inventors: 李明
Original assignee: Yangzhou Wanlide Energy Technology Co Ltd
Current assignee: Yangzhou Wanlide Energy Technology Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-04-28
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to a lithium cell technical field especially relates to a lithium cell that security performance is good, including casing, buffer spring, fixed plate, fixed frame, driving motor and flabellum, buffer spring's quantity is four, four buffer spring fixed connection is in the four corners department of casing left side wall respectively, fixed plate fixed connection is four buffer spring's one end, the middle part at the fixed plate is inlayed to fixed frame, driving motor fixed connection is in the inside of fixed frame. The utility model discloses a well driving motor work operation can drive the flabellum rotatory for the flow of the inside air of casing, the inside heat that produces at lithium cell charge-discharge of casing can the rebound, then can be to the vent discharge on the apron, prevent that the casing from producing the phenomenon of condensation in the condition that temperature reduces, simultaneously, buffer spring can play the effect of buffering to driving motor, prevent rocking that driving motor during operation produced, improved the life and the security of lithium cell.

Description

Lithium battery with good safety performance

Technical Field

The utility model relates to a lithium cell technical field especially relates to a lithium cell that security performance is good.

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 can be roughly divided into two types of lithium metal batteries and lithium ion batteries, wherein the lithium ion batteries do not contain metallic lithium and can be charged and discharged.

The lithium cell is green's novel energy storage components and parts, green has, energy density is big, long service life, use advantages such as extensive, in electronic technology, electric automobile energy storage, automobile staring, the military project, emerging fields such as space flight have extensive application, however the lithium cell is inside can produce a large amount of heats in charge-discharge process, the phenomenon of condensation can appear in the condition that temperature reduces, thereby lead to a large amount of aqueous vapor to be detained in the inside of lithium cell, can produce certain influence to the use of lithium cell, cause the lithium cell to damage unable use even.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a lithium cell that security performance is good, possess the advantage of heat dissipation and the installation of being convenient for, solved the lithium cell and can produce a large amount of heats inside the charging and discharging in-process, the phenomenon of condensation can appear in the condition that temperature reduces to lead to a large amount of aqueous vapor to be detained in the inside of lithium cell, can produce certain influence to the use of lithium cell, cause the problem that the lithium cell damages unable use even.

(II) technical scheme

In order to realize the technical problem, the utility model provides such lithium cell that security performance is good, including casing, buffer spring, fixed plate, fixed frame, driving motor and flabellum, buffer spring's quantity is four, four buffer spring fixed connection is in the four corners department of casing left side wall respectively, fixed plate fixed connection is four buffer spring's one end, the middle part at the fixed plate is inlayed to fixed frame, driving motor fixed connection is in the inside of fixed frame, the flabellum is fixed to be cup jointed on driving motor's output shaft.

Further, the equal fixedly connected with telescopic link in four corners department of casing left side wall, the one end fixed connection of telescopic link is in the left side of fixed plate, and the telescopic link comprises sleeve pipe and branch, has played the effect of support to the fixed plate.

Further, the middle part fixedly connected with protection on fixed plate right side separates the net, and the flabellum is located the protection and separates the inside of net, and the protection separates the net and has played the effect of protection to the flabellum.

Further, a movable groove is formed in the bottom of the inner portion of the shell, a first threaded rod is movably connected inside the movable groove, a second threaded rod is fixedly connected to one end of the first threaded rod, one end of the second threaded rod is movably connected to the inner wall of the movable groove through a bearing, and the first threaded rod and the second threaded rod can rotate inside the movable groove.

Furthermore, the thread direction of the outer surfaces of the first threaded rod and the second threaded rod is opposite, the outer surfaces of the first threaded rod and the second threaded rod are in threaded sleeve connection, and the top of the threaded sleeve is fixedly connected with a clamping plate, so that the two threaded sleeves can be close to each other, and the distance between the two clamping plates can be adjusted.

Further, the strip-shaped groove that runs through has all been seted up to the both sides at diapire middle part in the casing, the inside that the strip-shaped groove and extend to the casing is passed at the top of splint, has prevented that splint from removing about in strip-shaped inslot portion.

Further, electric core, two have been placed at the middle part of diapire in the casing the equal fixedly connected with rubber pad of the opposite face of splint, two the rubber pad contacts with the both sides of electric core, and the rubber pad has certain elasticity, reduces with the frictional force of electric core both sides.

Further, the middle part of casing left side bottom is seted up flutedly, the one end that the second threaded rod was kept away from to first threaded rod runs through the casing and extends to the inside of recess, the one end fixedly connected with turning block that the second threaded rod was kept away from to first threaded rod, and the turning block is located the inside of recess, through the setting of recess, can be so that the turning block is located the inside of recess, prevents to touch the turning block mistake and lead to the fact splint not hard up.

Further, the top fixedly connected with apron of casing, the bottom of apron contacts with the top of electric core, and the vent that runs through is seted up at the top of apron, and the apron can be fixed the top of electric core.

(III) advantageous effects

The utility model provides a lithium cell that security performance is good possesses following beneficial effect:

1. this lithium cell that security performance is good, which comprises a housin, buffer spring, the fixed plate, fixed frame, the cooperation of driving motor and flabellum is used, driving motor work operation can drive the flabellum rotatory, accelerate the flow of the inside air of casing, the inside heat that produces at lithium cell charge-discharge of casing can the rebound, then can be to the vent discharge on the apron, prevent that the casing from producing the phenomenon of condensation in the condition that temperature reduces, and simultaneously, buffer spring can play the effect of buffering to driving motor, prevent rocking that driving motor during operation produces, the life and the security of lithium cell have been improved.

2. This lithium cell that security performance is good, through the cooperation of first threaded rod, the second threaded rod, the thread bush, splint, bar groove and rubber pad and turning block use, place electric core at the inner diapire of casing, operating personnel rotates the turning block through the spanner, the screw thread opposite direction of first threaded rod and second threaded rod surface, make two thread bush be close to each other, adjust the distance between two splint, it is fixed to conveniently carry out the centre gripping to electric core, and simultaneously, still be convenient for dismantle electric core and maintain the change.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a buffer spring; 3. a fixing plate; 4. a fixing frame; 5. a drive motor; 6. a fan blade; 7. a telescopic rod; 8. a movable groove; 9. a first threaded rod; 10. a second threaded rod; 11. a threaded bushing; 12. a splint; 13. a strip-shaped groove; 14. a rubber pad; 15. an electric core; 16. a groove; 17. rotating the block; 18. and (7) a cover plate.

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 lithium battery with good safety performance comprises a housing 1, four buffer springs 2, a fixing plate 3, a fixing frame 4, a driving motor 5 and four fan blades 6, wherein the number of the buffer springs 2 is four, the four buffer springs 2 are respectively and fixedly connected to four corners of the left side wall of the housing 1, the fixing plate 3 is fixedly connected to one ends of the four buffer springs 2, the fixing frame 4 is embedded in the middle of the fixing plate 3, the driving motor 5 is fixedly connected to the inside of the fixing frame 4, the fan blades 6 are fixedly sleeved on an output shaft of the driving motor 5, the four corners of the left side wall of the housing 1 are respectively and fixedly connected with a telescopic rod 7, one end of the telescopic rod 7 is fixedly connected to the left side of the fixing plate 3, the middle of the right side of the fixing plate 3 is fixedly connected with a protective screen, and the fan blades, Driving motor 5 and flabellum 6's cooperation is used, driving motor 5 work operation can drive flabellum 6 rotatory, accelerate the flow of the inside air of casing 1, the inside heat that produces at lithium cell charge-discharge of casing 1 can the rebound, then can be to the vent discharge on the apron 18, prevent that casing 1 from producing the phenomenon of condensation in the condition that temperature reduces, and simultaneously, buffer spring 2 can play the effect of buffering to driving motor 5, prevent rocking that driving motor 5 during operation produced, the life and the security of lithium cell have been improved.

The bottom of the inner part of the shell 1 is provided with a movable groove 8, the inner part of the movable groove 8 is movably connected with a first threaded rod 9, one end of the first threaded rod 9 is fixedly connected with a second threaded rod 10, one end of the second threaded rod 10 is movably connected with the inner wall of the movable groove 8 through a bearing, the thread directions of the outer surfaces of the first threaded rod 9 and the second threaded rod 10 are opposite, the outer surfaces of the first threaded rod 9 and the second threaded rod 10 are in threaded sleeve connection with a threaded sleeve 11, the top of the threaded sleeve 11 is fixedly connected with a clamping plate 12, both sides of the middle part of the inner bottom wall of the shell 1 are provided with penetrating strip-shaped grooves 13, the top of the clamping plate 12 penetrates through the strip-shaped grooves 13 and extends into the shell 1, the middle part of the inner bottom wall of the shell 1 is provided with an electric core 15, both opposite surfaces of the two clamping plates 12, one end of the first threaded rod 9, which is far away from the second threaded rod 10, penetrates through the shell 1 and extends into the groove 16, one end of the first threaded rod 9, which is far away from the second threaded rod 10, is fixedly connected with a rotating block 17, the rotating block 17 is positioned inside the groove 16, through the matching use of the first threaded rod 9, the second threaded rod 10, the threaded sleeves 11, the clamping plates 12, the strip-shaped grooves 13, the rubber pads 14 and the rotating block 17, the battery cell 15 is placed on the inner bottom wall of the shell 1, an operator rotates the rotating block 17 through a wrench, the thread directions of the outer surfaces of the first threaded rod 9 and the second threaded rod 10 are opposite, so that the two threaded sleeves 11 are close to each other, the distance between the two clamping plates 12 is adjusted, the battery cell 15 is conveniently clamped and fixed, meanwhile, the battery cell 15 is conveniently dismounted and maintained and replaced, the top of the shell 1 is fixedly connected with a cover plate 18, and the top of the cover plate 18 is provided with a through ventilation opening.

When using, place electric core 15 at the interior diapire of casing 1, operating personnel rotates turning block 17 through the spanner, the screw thread opposite direction of first threaded rod 9 and second threaded rod 10 surface, make two threaded sleeve 11 be close to each other, adjust the distance between two splint 12, it is fixed that convenient centre gripping carries out electric core 15, when lithium cell charge-discharge, driving motor 5 work operation can drive flabellum 6 rotatory, accelerate the flow of the inside air of casing 1, can the rebound with the inside heat of casing 1, then can discharge to the vent on the apron 18, prevent that casing 1 from producing the phenomenon of condensation in the condition that temperature reduces, the life and the security of lithium cell have been improved.

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 lithium cell that security performance is good, includes casing (1), buffer spring (2), fixed plate (3), fixed frame (4), driving motor (5) and flabellum (6), its characterized in that: buffer spring (2) quantity is four, four buffer spring (2) is fixed connection respectively in the four corners department of casing (1) left side wall, fixed plate (3) fixed connection is four buffer spring (2) one end, the middle part at fixed plate (3) is inlayed in fixed frame (4), driving motor (5) fixed connection is in the inside of fixed frame (4), flabellum (6) are fixed cup joints on the output shaft of driving motor (5).

2. A lithium battery as claimed in claim 1, characterized in that: the equal fixedly connected with telescopic link (7) in four corners department of casing (1) left side wall, the one end fixed connection of telescopic link (7) is in the left side of fixed plate (3).

3. A lithium battery as claimed in claim 1, characterized in that: the middle part fixedly connected with protection on fixed plate (3) right side separates the net, and flabellum (6) are located the protection and separate the inside of net.

4. A lithium battery as claimed in claim 1, characterized in that: activity groove (8) have been seted up to the inside bottom of casing (1), the inside swing joint of activity groove (8) has first threaded rod (9), the one end fixedly connected with second threaded rod (10) of first threaded rod (9), the inner wall at activity groove (8) is passed through to the one end of second threaded rod (10).

5. A lithium battery as claimed in claim 4, characterized in that: the thread direction of the outer surfaces of the first threaded rod (9) and the second threaded rod (10) is opposite, the outer surfaces of the first threaded rod (9) and the second threaded rod (10) are in threaded sleeve connection with a threaded sleeve (11), and the top of the threaded sleeve (11) is fixedly connected with a clamping plate (12).

6. A lithium battery as claimed in claim 5, characterized in that: the both sides at bottom wall middle part all seted up strip groove (13) that run through in casing (1), strip groove (13) are passed and extend to the inside of casing (1) at the top of splint (12).

7. The lithium battery as claimed in claim 6, wherein: electric core (15) have been placed at the middle part of diapire in casing (1), two the equal fixedly connected with rubber pad (14) of opposite face of splint (12), two the both sides contact of rubber pad (14) and electric core (15).

8. A lithium battery as claimed in claim 5, characterized in that: the middle part of casing (1) left side bottom is seted up fluted (16), the one end that second threaded rod (10) were kept away from in first threaded rod (9) runs through casing (1) and extends to the inside of recess (16), the one end fixedly connected with turning block (17) of second threaded rod (10) are kept away from in first threaded rod (9), and turning block (17) are located the inside of recess (16).

9. A lithium battery as claimed in claim 1, characterized in that: the top of the shell (1) is fixedly connected with a cover plate (18), the bottom of the cover plate (18) is in contact with the top of the battery core (15), and the top of the cover plate (18) is provided with a through ventilation opening.