CN212461851U

CN212461851U - Lithium ion battery protection device

Info

Publication number: CN212461851U
Application number: CN202021510543.5U
Authority: CN
Inventors: 张圣敏
Original assignee: Weifang Yingjia New Energy Technology Co ltd
Current assignee: Weifang Yingjia New Energy Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-02-02
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a lithium ion battery protection device, which comprises an outer shell, the inside of shell is equipped with the supporting seat, the inside bottom of shell and the fixed position that is located the supporting seat below are connected with a plurality of first fixed covers, the first spring of inside fixedly connected with of first fixed cover, the top of first spring is connected with the lower fixed surface of supporting seat, the upper surface fixedly connected with installing frame all around of supporting seat. The utility model discloses in, first spring and third spring can cushion the upper and lower vibrations of lithium ion battery group, the second spring can cushion the horizontal direction vibrations of lithium ion battery group, thereby the shock resistance of lithium ion battery group has been improved, radiator fan blows off the inside heat of shell, thereby reach rapid cooling's effect, when the temperature lasts to rise, controller control siren starts this moment, thereby inform the user battery trouble, in time maintain, thereby the life of battery has further been improved.

Description

Lithium ion battery protection device

Technical Field

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

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 the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.

The existing lithium ion battery lacks a fixed protection device, so that the lithium ion battery is likely to vibrate in the transportation or use process, and the lithium battery is damaged due to the collision and other conditions, and the existing lithium ion battery does not have a heat dissipation device, so that the heat generated by the lithium ion battery can not be discharged, and the service life of the lithium ion battery is further influenced.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lithium ion battery protection device comprises a shell, wherein a supporting seat is arranged inside the shell, a plurality of first fixing sleeves are fixedly connected to the position of the bottom inside the shell and below the supporting seat, first springs are fixedly connected to the inside of the first fixing sleeves, the top ends of the first springs are fixedly connected with the lower surface of the supporting seat, an installation frame is fixedly connected to the periphery of the upper surface of the supporting seat, a lithium ion battery pack is embedded into the installation frame, second fixing sleeves are fixedly connected to the position, close to the installation frame, of the inner wall of the shell, second springs are fixedly connected to the inside of the second fixing sleeves, the other ends of the second springs are fixedly connected with the outer surface of the installation frame, a top cover is connected to the top of the shell in a clamping manner, first sleeves are fixedly connected to the lower surface of the top cover in a symmetrical manner, and second sleeves are connected to the bottom inside, the bottom end of the second sleeve is fixedly connected with a cushion pad, the inside of the first sleeve is fixedly connected with a third spring, the other end of the third spring is fixedly connected with the cushion pad, the outer surface of the top cover is provided with an air vent, the inside of the air vent is fixedly provided with a cooling fan, the inside of the air vent and the position close to the top end are embedded and fixedly connected with a filter screen, the central position of the outer surface of the top cover is fixedly provided with a temperature sensor, the lower surface of the top cover and the two sides of the temperature sensor are respectively and fixedly provided with a controller and an alarm, the outer surface of the top cover and the position close to the inner wall of the shell are provided with a chute, the inside of the chute is connected with a clamping plate in a penetrating and sliding manner, one side of the inner wall of the chute is provided with a, a clamping groove is formed in the inner wall of the shell and in a position close to the clamping plate, and a push rod is fixedly connected to one side, far away from the fourth spring, of the clamping plate.

As a further description of the above technical solution:

the shape of cardboard is the L shape, just the lower surface of cardboard and draw-in groove looks block's one end is the arc.

As a further description of the above technical solution:

and the cooling fan, the temperature sensor and the alarm are all connected with the controller through leads.

As a further description of the above technical solution:

the upper surface central point of top cap puts and has seted up and accomodate the groove, the inside rotation in accomodating the groove is connected with the handle.

As a further description of the above technical solution:

and the lower surface of the top cover is fixedly connected with a guide plate at the periphery and close to the inner wall of the shell.

As a further description of the above technical solution:

the other end of the push rod penetrates through the top cover and extends to the outside, and the push rod is fixedly connected with a push plate at one end outside the top cover.

The utility model discloses following beneficial effect has:

1. the lithium ion battery protection device comprises a first spring, a second spring, a third spring, a cooling fan, a temperature sensor, a controller and an alarm, wherein when a battery vibrates and is impacted, the first spring and the third spring can buffer the vertical vibration of a lithium ion battery pack, the second spring can buffer the horizontal vibration of the lithium ion battery pack, so that the shock resistance of the lithium ion battery pack is improved, the service life of the lithium ion battery pack is prolonged, when the temperature sensor senses that the temperature of the lithium ion battery pack is overhigh, the controller controls the cooling fan to be started, the cooling fan blows out the heat in a shell, the effect of quickly cooling is achieved, the battery damage caused by overhigh temperature is avoided, when the temperature is continuously increased, the temperature sensor transmits a signal to the controller, and the controller controls the alarm to be started, therefore, a user is informed that the battery has a fault and is maintained in time, and the service life of the battery is further prolonged.

2. This lithium ion battery protection device, through top cap, push pedal, push rod, cardboard and the draw-in groove that sets up, when needs maintain the battery, only need press the push pedal, the push pedal drives the push rod and removes, and the push rod removes and promotes the cardboard and remove in the spout to make the other end of cardboard shift out the draw-in groove, can dismantle the top cap get off, easy operation has made things convenient for maintenance personal greatly.

Drawings

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

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is an enlarged view at B in fig. 1.

Illustration of the drawings:

1. a housing; 2. a supporting seat; 3. a first fixing sleeve; 4. a first spring; 5. installing a frame; 6. a lithium ion battery pack; 7. a second fixing sleeve; 8. a second spring; 9. a top cover; 10. a first sleeve; 11. a second sleeve; 12. a cushion pad; 13. a third spring; 14. a vent hole; 15. a heat radiation fan; 16. a filter screen; 17. a temperature sensor; 18. a controller; 19. an alarm; 20. a chute; 21. clamping a plate; 22. a groove; 23. a fourth spring; 24. a card slot; 25. a push rod; 26. a receiving groove; 27. a handle; 28. a guide plate; 29. a push 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a lithium ion battery protection device comprises a shell 1, a supporting seat 2 is arranged inside the shell 1, a plurality of first fixing sleeves 3 are fixedly connected to the position, located below the supporting seat 2, of the bottom inside the shell 1, first springs 4 are fixedly connected to the inside of the first fixing sleeves 3, the top ends of the first springs 4 are fixedly connected with the lower surface of the supporting seat 2, mounting frames 5 are fixedly connected to the periphery of the upper surface of the supporting seat 2, lithium ion battery packs 6 are embedded into the mounting frames 5, second fixing sleeves 7 are fixedly connected to the positions, close to the mounting frames 5, of the inner wall of the shell 1, second springs 8 are fixedly connected to the inside of the second fixing sleeves 7, the other ends of the second springs 8 are fixedly connected with the outer surface of the mounting frames 5, a top cover 9 is connected to the top of the shell 1 in a clamping manner, first sleeves 10 are symmetrically and fixedly connected to the lower surface of the top cover 9, and second, a cushion pad 12 is fixedly connected to the bottom end of the second sleeve 11, a third spring 13 is fixedly connected to the inside of the first sleeve 10, the other end of the third spring 13 is fixedly connected to the cushion pad 12, an air vent 14 is formed in the outer surface of the top cover 9, a heat dissipation fan 15 is fixedly installed in the air vent 14, a filter screen 16 is fixedly connected to the inside of the air vent 14 and close to the top end in an embedded manner, a temperature sensor 17 is fixedly installed at the center position of the outer surface of the top cover 9, a controller 18 and an alarm 19 are respectively and fixedly installed on the lower surface of the top cover 9 and located on two sides of the temperature sensor 17, a sliding groove 20 is formed in the outer surface of the top cover 9 and close to the inner wall of the housing 1, a clamping plate 21 is slidably connected to the inside of the sliding groove 20 in a penetrating manner, a groove 22 is formed in one side, a clamping groove 24 is formed in the inner wall of the housing 1 and in a position close to the clamping plate 21, and a push rod 25 is fixedly connected to one side of the clamping plate 21 far away from the fourth spring 23.

The clamping plate 21 is L-shaped, the lower surface of one end, clamped with the clamping groove 24, of the clamping plate 21 is arc-shaped, the L-shaped clamping plate 21 is used for being matched with the clamping groove 24 to fix the top cover 9, and the arc-shaped clamping plate 21 can enter the shell 1 conveniently; the heat radiation fan 15, the temperature sensor 17 and the alarm 19 are all connected with the controller 18 through wires, so that the controller 18 can receive signals of the temperature sensor 17, and further the heat radiation fan 15 and the alarm 19 are started; a containing groove 26 is formed in the center of the upper surface of the top cover 9, a handle 27 is rotatably connected to the inside of the containing groove 26, and the handle 27 is used for opening the top cover 9 and moving the device conveniently; the guide plate 28 is fixedly connected to the position, close to the inner wall of the shell 1, around the lower surface of the top cover 9, and the guide plate 28 is conveniently clamped on the top of the shell 1 by the top cover 9; the other end of the push rod 25 penetrates through the top cover 9 and extends to the outside, and a push plate 29 is fixedly connected to one end of the push rod 25, which is positioned outside the top cover 9, and the push plate 29 is used for facilitating the push rod 25 to be pushed.

The working principle is as follows: when the lithium ion battery protection device is used, when the battery is vibrated and impacted, the first spring 4 and the third spring 13 can buffer the up-and-down vibration of the lithium ion battery pack 6, the second spring 8 can buffer the horizontal vibration of the lithium ion battery pack 6, so that the shock resistance of the lithium ion battery pack 6 is improved, the service life of the lithium ion battery pack 6 is prolonged, when the temperature sensor 17 senses that the temperature of the lithium ion battery pack 6 is overhigh, the controller 18 controls the cooling fan 15 to start, the cooling fan 15 blows out the heat in the shell 1, the effect of quickly cooling is achieved, the situation that the battery is damaged due to overhigh temperature is avoided, when the temperature is continuously increased, the temperature sensor 17 transmits a signal to the controller 18, the controller 18 controls the alarm 19 to start, so that a user is informed that the battery is in fault, and maintenance is carried out in time, thereby further improved the life of battery, when needs maintain the battery, only need press push pedal 29, push pedal 29 drives push rod 25 and removes, and push rod 25 removes and promotes cardboard 21 and remove in spout 20 to make the other end of cardboard 21 shift out draw-in groove 24, can dismantle top cap 9 get off easy operation.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A lithium ion battery protection device comprising a housing (1), characterized in that: the improved lithium ion battery pack is characterized in that a supporting seat (2) is arranged in the shell (1), the bottom in the shell (1) is fixedly connected with a plurality of first fixing sleeves (3) at positions below the supporting seat (2), the first springs (4) are fixedly connected with the inside of the first fixing sleeves (3), the top ends of the first springs (4) are fixedly connected with the lower surface of the supporting seat (2), the periphery of the upper surface of the supporting seat (2) is fixedly connected with an installation frame (5), a lithium ion battery pack (6) is embedded in the installation frame (5), the inner wall of the shell (1) is fixedly connected with a second fixing sleeve (7) at a position close to the installation frame (5), the inside of the second fixing sleeve (7) is fixedly connected with a second spring (8), the other end of the second spring (8) is fixedly connected with the outer surface of the installation frame (5), and the top of the shell (1) is clamped with a top cover (9, the lower surface of the top cover (9) is symmetrically and fixedly connected with a first sleeve (10), the bottom end of the first sleeve (10) is internally connected with a second sleeve (11) in a penetrating and sliding mode, the bottom end of the second sleeve (11) is fixedly connected with a cushion pad (12), the inside of the first sleeve (10) is fixedly connected with a third spring (13), the other end of the third spring (13) is fixedly connected with the cushion pad (12), the outer surface of the top cover (9) is provided with a vent hole (14), the inside of the vent hole (14) is fixedly provided with a heat radiation fan (15), a filter screen (16) is fixedly connected with the inside of the vent hole (14) and the position close to the top end in an embedded mode, a temperature sensor (17) is fixedly arranged at the center position of the outer surface of the top cover (9), and a controller (18) and an alarm (19) are respectively fixedly arranged on the lower surface of the top, the outer surface of top cap (9) and the position that is close to shell (1) inner wall have seted up spout (20), sliding connection has cardboard (21) to run through the inside of spout (20), inner wall one side of spout (20) is seted up flutedly (22), the inside fixedly connected with fourth spring (23) of recess (22), the other end of fourth spring (23) and one side fixed connection of cardboard (21), draw-in groove (24) have been seted up to the inner wall of shell (1) and the position that is close to cardboard (21), one side fixedly connected with push rod (25) of fourth spring (23) are kept away from to cardboard (21).

2. A lithium ion battery protection device according to claim 1, characterized in that: the clamping plate (21) is L-shaped, and the lower surface of one end, clamped with the clamping groove (24), of the clamping plate (21) is arc-shaped.

3. A lithium ion battery protection device according to claim 1, characterized in that: the heat radiation fan (15), the temperature sensor (17) and the alarm (19) are all connected with the controller (18) through leads.

4. A lithium ion battery protection device according to claim 1, characterized in that: the upper surface central point of top cap (9) puts and has seted up and accomodate groove (26), the inside rotation of accomodating groove (26) is connected with handle (27).

5. A lithium ion battery protection device according to claim 1, characterized in that: and a guide plate (28) is fixedly connected to the periphery of the lower surface of the top cover (9) and close to the inner wall of the shell (1).

6. A lithium ion battery protection device according to claim 1, characterized in that: the other end of the push rod (25) penetrates through the top cover (9) and extends to the outside, and one end, located at the outside of the top cover (9), of the push rod (25) is fixedly connected with a push plate (29).