CN211858755U

CN211858755U - Lithium ion power battery protection device

Info

Publication number: CN211858755U
Application number: CN202020874300.3U
Authority: CN
Inventors: 何刚; 何逸伟; 夏丽娟
Original assignee: Nanjing Xunlu Technology Industry Co ltd; Nanjing University of Information Science and Technology
Current assignee: Nanjing Xunlu Technology Industry Co ltd; Nanjing University of Information Science and Technology
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-11-03
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a lithium ion power battery protection device, including protecting sheathing, the protecting sheathing top is equipped with the top cap, the bottom of top cap is equipped with second damper, and second damper's bottom level is equipped with same top fixed plate, the bottom is equipped with first damper in the protecting sheathing, first damper top level is equipped with the bottom fixed plate, the inside middle part of protecting sheathing is equipped with the mounting, be equipped with the reciprocating mechanism who drives mounting reciprocating motion in the bottom fixed plate. The utility model fixes a plurality of lithium ion power batteries respectively through a plurality of sets of fixing pieces, so that collision between the lithium ion power batteries can not occur, the problems of line winding and the like are avoided, the distance between the lithium ion power batteries is increased, and heat dissipation is convenient; the first damping mechanism and the second damping mechanism are used for buffering the lithium ion power battery in the vertical direction, so that the impact force on the lithium ion power battery is reduced, and the lithium ion power battery is protected from being damaged.

Description

Lithium ion power battery protection device

Technical Field

The utility model relates to a lithium ion battery technical field especially relates to a lithium ion power battery protection device.

Background

The lithium ion power battery is a novel high-energy battery successfully developed in the 20 th century, the negative electrode of the battery is made of materials such as graphite, the positive electrode of the battery is made of lithium iron phosphate, lithium cobaltate, lithium titanate and the like, and the lithium ion power battery has the advantages of high energy, high battery voltage, wide working temperature range, long storage life and the like. Lithium ion power batteries need to be protected during transportation or installation and use.

The conventional lithium ion power battery protection device is only arranged in a protection shell, and the lithium ion power battery is easy to shake or collide in the protection shell, so that the battery is damaged; and the most existing lithium ion power batteries are battery packs formed by connecting a plurality of batteries in series, and the plurality of batteries are easy to collide with each other, so that the problems of line winding and the like are caused.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lithium ion power battery protection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a lithium ion power battery protection device, includes protecting sheathing, there is the top cap at the protecting sheathing top through hinged joint, the bottom of top cap is equipped with second damper, second damper is equipped with a plurality ofly, and second damper's bottom level is equipped with same top fixed plate, the bottom is equipped with first damper in the protecting sheathing, first damper top level is equipped with end fixed plate, the inside middle part of protecting sheathing is equipped with the mounting, be equipped with the reciprocating mechanism who drives mounting reciprocating motion in the end fixed plate, the outside top all around of protecting sheathing and bottom all are equipped with the louvre, the louvre is equipped with a plurality ofly.

Preferably, first damper includes cover post, telescopic link and second spring, the vertical welding in the bottom of top cap in top of cover post, the telescopic link cup joints inside the cover post, the welding of the interior top of cover post has the second spring, the other end of second spring and the top welding of telescopic link.

Preferably, the first damping mechanism comprises a first magnet, a second magnet, a fixing column, a third lantern ring, a first connecting rod, a first spring and a fourth lantern ring, the fixing column is installed at the bottom inside the protective shell, the third lantern ring and the fourth lantern ring are respectively sleeved at two ends of the fixing column, and the first connecting rod is rotatably connected to the tops of the third lantern ring and the fourth lantern ring.

Preferably, the welding has first spring between the third lantern ring and the fourth lantern ring, second magnet and first magnet are installed respectively to the third lantern ring and the fourth lantern ring keep away from one side of first spring, inside one side inner wall that is close to the third lantern ring of protecting sheathing installs the second magnet, inside one side inner wall that is close to the fourth lantern ring of protecting sheathing installs first magnet.

Preferably, the first damping mechanism comprises a third damping mechanism, a moving block, a second connecting rod, a third magnet, a fourth magnet, a third spring and a sliding groove, the sliding groove is formed in the bottom of the protective shell, the moving block is connected to two ends inside the sliding groove in a sliding mode respectively, and the second connecting rod is connected to the top of the moving block in a rotating mode.

Preferably, a third spring is welded between the two moving blocks, fourth magnets are mounted on the other sides of the two moving blocks, third magnets are mounted at two ends of the inside of the sliding groove, the structure of the third damping mechanism is the same as that of the second damping mechanism, and the top end of the second connecting rod is rotatably connected with the side face of the telescopic rod of the third damping mechanism.

Preferably, the bottom fixing plate is rotatably connected with the top ends of the two first connecting rods or welded with the top end of the telescopic rod of the third damping mechanism.

Preferably, reciprocating mechanism includes carousel, mounting panel, the first lantern ring, the second lantern ring and lead screw, the lead screw is installed inside the bottom plate, the first lantern ring and the second lantern ring have been cup jointed respectively at the lead screw both ends, the mounting panel has all been welded on the top of the first lantern ring and the second lantern ring, the mounting has all been welded at the top of mounting panel, the mounting is equipped with a plurality ofly.

Preferably, the surface at lead screw both ends is equipped with positive screw thread and negative thread respectively, the inner wall of the first lantern ring and the second lantern ring is equipped with negative thread and positive screw thread respectively, but positive and negative screw thread looks adaptation, the one end of lead screw stretches out and the welding has the carousel in following protective housing, the carousel edge is rotated and is connected with handheld handle.

The utility model has the advantages that:

1. the utility model discloses a handheld handle rotates the carousel and drives the lead screw and rotate, thereby makes first lantern ring and second lantern ring relative motion drive mounting relative motion, with the lithium ion power battery centre gripping between the mounting, makes its unable emergence left right direction rock, avoids it to collide with and causes the damage.

2. The utility model discloses a multiunit mounting is fixed a plurality of lithium ion power battery respectively, makes unable bumping between the lithium ion power battery, avoids appearing circuit winding scheduling problem, and has increased the distance between the lithium ion power battery, convenient heat dissipation.

3. The utility model discloses when protecting sheathing received external force and assaulted, the buffering of direction about going on lithium ion power battery through first damper and second damper reduces the effect of impact force to lithium ion power battery, and protection lithium ion power battery is not damaged.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of a lithium ion power battery protection device provided by the present invention;

fig. 2 is a cross-sectional view of embodiment 1 of a lithium ion power battery protection device provided by the present invention;

fig. 3 is an enlarged view of a position a of an embodiment 1 of the lithium ion power battery protection device according to the present invention;

fig. 4 is a schematic view of a fixing member of an embodiment 1 of a lithium ion power battery protection device according to the present invention;

fig. 5 is a cross-sectional view of embodiment 2 of a lithium ion power battery protection device according to the present invention.

In the figure: 1. a top fixing plate; 2. a top cover; 3. a fixing member; 4. a protective housing; 5. sleeving a column; 6. heat dissipation holes; 7. a turntable; 8. a first magnet; 9. mounting a plate; 10. a first collar; 11. a second magnet; 12. fixing a column; 13. a third collar; 14. a first connecting rod; 15. a first spring; 16. a moving block; 17. a fourth collar; 18. a second connecting rod; 19. a bottom fixing plate; 20. a second collar; 21. a screw rod; 22. a telescopic rod; 23. a second spring; 24. a third magnet; 25. a fourth magnet; 26. a third spring; 27. a chute.

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.

Example 1

Referring to fig. 1-4, a lithium ion power battery protection device, including protecting sheathing 4, there is top cap 2 at protecting sheathing 4 top through hinged joint, the bottom of top cap 2 is equipped with second damper, second damper is equipped with a plurality ofly, and second damper's bottom level is equipped with same top fixed plate 1, the bottom is equipped with first damper in protecting sheathing 4, first damper top level is equipped with bottom fixed plate 19, the inside middle part of protecting sheathing 4 is equipped with mounting 3, be equipped with the reciprocating mechanism who drives 3 reciprocating motion of mounting in the bottom fixed plate 19, protecting sheathing 4 outside top and bottom all around all are equipped with louvre 6, louvre 6 is equipped with a plurality ofly.

In the utility model, the first damping mechanism comprises a sleeve column 5, a telescopic rod 22 and a second spring 23, the top end of the sleeve column 5 is vertically welded at the bottom of the top cover 2, the telescopic rod 22 is sleeved inside the sleeve column 5, the second spring 23 is welded at the inner top of the sleeve column 5, the other end of the second spring 23 is welded with the top end of the telescopic rod 22, the first damping mechanism comprises a first magnet 8, a second magnet 11, a fixed column 12, a third sleeve ring 13, a first connecting rod 14, a first spring 15 and a fourth sleeve ring 17, the fixed column 12 is arranged at the bottom inside the protective shell 4, the third sleeve ring 13 and the fourth sleeve ring 17 are respectively sleeved at the two ends of the fixed column 12, the first connecting rod 14 is rotatably connected at the top of the third sleeve ring 13 and the fourth sleeve ring 17, the first spring 15 is welded between the third sleeve ring 13 and the fourth sleeve ring 17, the second magnet 11 and the first magnet 8 are respectively arranged at one side of the third sleeve ring 13 and the fourth sleeve ring 17 far away from the first spring 15, a second magnet 11 is arranged on the inner wall of one side close to a third sleeve ring 13 in the protective shell 4, a first magnet 8 is arranged on the inner wall of one side close to a fourth sleeve ring 17 in the protective shell 4, a bottom fixing plate 19 is rotatably connected with the top ends of two first connecting rods 14 or welded with the top end of a telescopic rod 22 of a third damping mechanism, a reciprocating mechanism comprises a rotary disc 7, a mounting plate 9, a first sleeve ring 10, a second sleeve ring 20 and a screw rod 21, the screw rod 21 is arranged in the bottom fixing plate 19, the two ends of the screw rod 21 are respectively sleeved with the first sleeve ring 10 and the second sleeve ring 20, the mounting plate 9 is welded on the top ends of the first sleeve ring 10 and the second sleeve ring 20, a fixing part 3 is welded on the top of the mounting plate 9, a plurality of fixing parts 3 are arranged, the surfaces of the two ends of the screw rod 21 are respectively provided with a positive thread and a negative thread, the inner walls of, one end of the screw rod 21 extends out of the protective shell 4 and is welded with the rotary disc 7, and the edge of the rotary disc 7 is rotatably connected with a hand-held handle.

The working principle of the embodiment is as follows: the top cover 2 is opened, the lithium ion power batteries are respectively placed between the fixing pieces 3, the rotary table 7 is rotated by the hand-held handle to drive the screw rod 21 to rotate, the first sleeve ring 10 and the second sleeve ring 20 move oppositely to drive the fixing pieces 3 to move oppositely, the lithium ion power batteries are clamped between the fixing pieces 3, the lithium ion power batteries cannot shake in the left and right directions, the damage caused by collision of the lithium ion power batteries is avoided, the multiple lithium ion power batteries are respectively fixed by the multiple groups of fixing pieces 3, the collision between the lithium ion power batteries cannot occur, the problems of line winding and the like are avoided, the distance between the lithium ion power batteries is increased, and the heat dissipation is facilitated; when the protective shell 4 is impacted by external force, the lithium ion power battery is buffered in the vertical direction through the first damping mechanism and the second damping mechanism, the effect of impact force on the lithium ion power battery is reduced, the lithium ion power battery is protected from being damaged, namely, when the top fixing plate 1 moves upwards, the telescopic rod 22 of the second damping mechanism retracts into the sleeve column 5 to extrude the second spring 23, the second spring 23 provides elastic force in the opposite direction to enable the top fixing plate 1 to return to the original position, when the bottom fixing plate 19 moves downwards, the two first connecting rods 14 are extruded downwards, the first connecting rods 14 drive the third sleeve ring 13 and the fourth sleeve ring 17 to move in the opposite directions to stretch the first spring 8, and the first spring 8 provides resilience force to match with the repulsive force between the two first magnets 8 and the two second magnets 11 to enable the bottom fixing plate 19 to return to the original position.

Example 2

Referring to fig. 5, the present embodiment differs from embodiment 1 only in that the first damping mechanism includes a third damping mechanism, a moving block 16, a second connecting rod 18, a third magnet 24, a fourth magnet 25, a third spring 26 and a sliding groove 27, the sliding groove 27 is disposed at the bottom of the protective housing 4, the moving block 16 is slidably connected to both ends of the sliding groove 27, the second connecting rod 18 is rotatably connected to the top of the moving block 16, the third spring 26 is welded between the two moving blocks 16, the fourth magnet 25 is mounted on the other side of the two moving blocks 16, the third magnet 24 is mounted on both ends of the sliding groove 27, the third damping mechanism has the same structure as the second damping mechanism, and the top end of the second connecting rod 18 is rotatably connected to the side surface of the telescopic rod 22 of the third damping mechanism.

The working principle of the embodiment is as follows: when the bottom fixing plate 19 moves downwards, the telescopic rod 22 of the third damping mechanism retracts into the sleeve column 5 to extrude the second spring 23, the second spring 23 provides an elastic force in the opposite direction, the telescopic rod 22 of the third damping mechanism moves downwards to enable the bottom ends of the two second connecting rods 18 to drive the two moving blocks 16 to move oppositely to extrude the third spring 26, and the third spring 26 provides a rebounding force and enables the bottom fixing plate 19 to return to the original position by matching with the attractive force between the two groups of third magnets 24 and the fourth magnets 25.

Having shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as exemplary and not limiting in any way, since the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be embraced therein by any reference numerals in the claims.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a lithium ion power battery protection device, includes protecting sheathing (4), its characterized in that, there is top cap (2) at protecting sheathing (4) top through hinged joint, the bottom of top cap (2) is equipped with second damper, second damper is equipped with a plurality ofly, and second damper's bottom level is equipped with same top fixed plate (1), the bottom is equipped with first damper in protecting sheathing (4), first damper top level is equipped with bottom fixed plate (19), the inside middle part of protecting sheathing (4) is equipped with mounting (3), be equipped with the reciprocating mechanism who drives mounting (3) reciprocating motion in bottom fixed plate (19), protecting sheathing (4) outside top and bottom all around all are equipped with louvre (6), louvre (6) are equipped with a plurality ofly.

2. The lithium ion power battery protection device according to claim 1, wherein the first damping mechanism comprises a sleeve column (5), a telescopic rod (22) and a second spring (23), the top end of the sleeve column (5) is vertically welded at the bottom of the top cover (2), the telescopic rod (22) is sleeved inside the sleeve column (5), the second spring (23) is arranged at the inner top of the sleeve column (5), and the other end of the second spring (23) is connected with the top end of the telescopic rod (22).

3. The lithium ion power battery protection device according to claim 2, wherein the first damping mechanism comprises a first magnet (8), a second magnet (11), a fixed column (12), a third sleeve ring (13), a first connecting rod (14), a first spring (15) and a fourth sleeve ring (17), the fixed column (12) is mounted at the bottom inside the protection shell (4), the third sleeve ring (13) and the fourth sleeve ring (17) are respectively sleeved at two ends of the fixed column (12), and the first connecting rod (14) is rotatably connected at the tops of the third sleeve ring (13) and the fourth sleeve ring (17).

4. The lithium ion power battery protection device according to claim 3, wherein a first spring (15) is arranged between the third lantern ring (13) and the fourth lantern ring (17), a second magnet (11) and a first magnet (8) are respectively installed on one sides, far away from the first spring (15), of the third lantern ring (13) and the fourth lantern ring (17), the second magnet (11) is installed on the inner wall of one side, close to the third lantern ring (13), of the inside of the protection shell (4), and the first magnet (8) is installed on the inner wall of one side, close to the fourth lantern ring (17), of the inside of the protection shell (4).

5. The lithium ion power battery protection device according to claim 2, wherein the first damping mechanism comprises a third damping mechanism, a moving block (16), a second connecting rod (18), a third magnet (24), a fourth magnet (25), a third spring (26) and a sliding groove (27), the sliding groove (27) is formed in the bottom of the protection housing (4), the moving block (16) is respectively arranged at two ends of the inside of the sliding groove (27), and the second connecting rod (18) is rotatably connected to the top of the moving block (16).

6. The lithium ion power battery protection device according to claim 5, wherein a third spring (26) is arranged between the two moving blocks (16), a fourth magnet (25) is mounted on the other side of each of the two moving blocks (16), a third magnet (24) is mounted at each of two ends inside the sliding groove (27), the third damping mechanism has the same structure as the second damping mechanism, and the top end of the second connecting rod (18) is rotatably connected with the side surface of the telescopic rod (22) of the third damping mechanism.

7. The lithium ion power battery protection device as claimed in claim 4 or 6, wherein the bottom fixing plate (19) is rotatably connected with the top ends of the two first connecting rods (14) or welded with the top ends of the telescopic rods (22) of the third damping mechanism.

8. The lithium ion power battery protection device according to claim 7, wherein the reciprocating mechanism comprises a rotary table (7), a mounting plate (9), a first sleeve ring (10), a second sleeve ring (20) and a lead screw (21), the lead screw (21) is mounted inside a bottom fixing plate (19), the first sleeve ring (10) and the second sleeve ring (20) are respectively sleeved at two ends of the lead screw (21), the mounting plate (9) is arranged at the top ends of the first sleeve ring (10) and the second sleeve ring (20), a fixing piece (3) is arranged at the top of the mounting plate (9), and a plurality of fixing pieces (3) are arranged.

9. The lithium ion power battery protection device according to claim 8, wherein the surface of the two ends of the screw rod (21) is respectively provided with a positive thread and a negative thread, the inner walls of the first lantern ring (10) and the second lantern ring (20) are respectively provided with a negative thread and a positive thread, but the positive thread and the negative thread are matched, one end of the screw rod (21) extends out of the protection shell (4) and is provided with a rotary table (7), and the edge of the rotary table (7) is rotatably connected with a handheld handle.