CN213583996U

CN213583996U - Lithium battery with explosion-proof flame-retardant structure

Info

Publication number: CN213583996U
Application number: CN202023027915.1U
Authority: CN
Inventors: 朱青松; 杨金龙; 王常军
Original assignee: Huizhou Wotaili Technology Co ltd
Current assignee: Huizhou Wotaili Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-06-29
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a lithium cell with explosion-proof fire-retardant structure, comprising a main body, the right side wall fixedly connected with junction box of main part, the left side wall of junction box and the equal fixedly connected with current conducting plate of the left inside wall of main part, the fixed surface of current conducting plate is connected with pressure spring, the thermovent has been seted up to the bottom of main part, the dustproof filter core of inside fixedly connected with of thermovent, the upper surface of dustproof filter core just is close to the equal fixedly connected with mount of edge department about, the top fixedly connected with fan of mount, swing joint has lithium cell body between the pressure spring, lithium cell body's fixed surface is connected with fire prevention film, the interior bottom fixedly connected with water proof membrane of main part. The utility model discloses, the device simple structure is reasonable, can solve the not enough of prior art well, improves the fire prevention waterproof explosion-proof ability of lithium cell effectively, improves the security of using.

Description

Lithium battery with explosion-proof flame-retardant structure

Technical Field

The utility model relates to a lithium cell protective structure technical field especially relates to a lithium cell with explosion-proof flame retardant construction.

Background

Lithium batteries "are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become mainstream, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.

The lithium battery in the prior art can generate heat during working, and the temperature of the lithium battery is too high during working, so that the lithium battery is easy to explode on fire, and people provide the lithium battery with an explosion-proof flame-retardant structure to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a lithium battery with an explosion-proof and flame-retardant structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lithium battery with an explosion-proof flame-retardant structure comprises a main body, wherein a junction box is fixedly connected to the right side wall of the main body, conductive plates are fixedly connected to the left side wall of the junction box and the left inner side wall of the main body, and compression springs are fixedly connected to the surfaces of the conductive plates;

the bottom of the main body is provided with a heat dissipation opening, a dustproof filter element is fixedly connected inside the heat dissipation opening, fixing frames are fixedly connected to the upper surface of the dustproof filter element and the positions close to the left side edge and the right side edge, and a fan is fixedly connected to the top of each fixing frame;

the lithium battery comprises a pressing spring and is characterized in that a lithium battery body is movably connected between the pressing springs, a fireproof film is fixedly connected to the outer surface of the lithium battery body, and a waterproof film is fixedly connected to the inner bottom of the main body.

As a further description of the above technical solution:

the inside wall of fan just is close to left side edge fixedly connected with mounting bracket, one side fixedly connected with motor of mounting bracket, the output fixedly connected with flabellum of motor, the inside wall of fan just is close to right side edge fixedly connected with protection frame.

As a further description of the above technical solution:

the top of main part is provided with the closing cap, the lower surface of closing cap and be close to the equal fixedly connected with fire prevention sealing strip in edge all around, the lower surface of closing cap and be close to the equal fixedly connected with temperature sensor of edge department about and.

As a further description of the above technical solution:

the interior bottom of main part just is close to the equal fixedly connected with of left and right sides edge department and props up the piece, the upper surface of propping up the piece and lithium cell body's lower surface swing joint.

As a further description of the above technical solution:

the inside fixedly connected with terminal of junction box, the quantity of terminal is a plurality of.

As a further description of the above technical solution:

the right side wall of the main body is rotatably connected with a door body through a hinge, and the surface of the door body is fixedly connected with a handle close to the edge of the rear side.

As a further description of the above technical solution:

the bottom fixedly connected with landing leg of main part, the bottom fixedly connected with callus on the sole of landing leg.

As a further description of the above technical solution:

the front of main part just is close to top edge and has seted up the ventilation hole, the quantity in ventilation hole is a plurality of.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this lithium cell with explosion-proof flame retardant construction, the device simple structure is reasonable, can solve the not enough of prior art well, improves the fire prevention waterproof explosion-proof ability of lithium cell effectively, improves the security of using.

2. Compared with the prior art, this lithium cell with explosion-proof flame retardant construction through setting up the fan, can cool down the heat dissipation effectively to the lithium cell and handle, guarantees the normal operating of lithium cell.

3. Compared with the prior art, this lithium cell with explosion-proof flame retardant construction through setting up temperature sensor, can detect the temperature of lithium cell effectively and in time control lithium cell interruption work, guarantees the safe in utilization of lithium cell.

Drawings

Fig. 1 is a perspective view of an external structure of a lithium battery with an explosion-proof and flame-retardant structure according to the present invention;

fig. 2 is an elevation view of an internal structure of a lithium battery having an explosion-proof and flame-retardant structure according to the present invention;

fig. 3 is an elevation view of an external structure of a lithium battery having an explosion-proof and flame-retardant structure according to the present invention;

fig. 4 is a schematic structural view of a fan of a lithium battery with an explosion-proof and flame-retardant structure according to the present invention.

Illustration of the drawings:

1. a main body; 2. sealing the cover; 3. a temperature sensor; 4. a fire-resistant film; 5. a lithium battery body; 6. a fire-resistant sealing strip; 7. a conductive plate; 8. a compression spring; 9. a junction box; 10. a door body; 11. a handle; 12. a support leg; 13. a foot pad; 14. a binding post; 15. a water-resistant film; 16. supporting a block; 17. a heat dissipation port; 18. a dust-proof filter element; 19. a fixed mount; 20. a fan; 21. a vent hole; 22. a mounting frame; 23. a motor; 24. a fan blade; 25. a protective frame.

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. 1-4, the utility model provides a pair of lithium cell with explosion-proof flame retardant construction: the door body comprises a main body 1, wherein a junction box 9 is fixedly connected to the right side wall of the main body 1, a current-conducting plate 7 is fixedly connected to both the left side wall of the junction box 9 and the left inner side wall of the main body 1, a compression spring 8 is fixedly connected to the surface of the current-conducting plate 7, a plurality of binding posts 14 are fixedly connected to the inside of the junction box 9, the right side wall of the main body 1 is rotatably connected with a door body 10 through a hinge, and a handle 11 is fixedly connected to the surface of the door body 10 and is close to the rear side edge, so that the functions of positioning and wiring conduction;

the bottom of the main body 1 is provided with a heat dissipation port 17, the interior of the heat dissipation port 17 is fixedly connected with a dustproof filter element 18, the upper surface of the dustproof filter element 18 is fixedly connected with a fixing frame 19 at the positions close to the left and right side edges, the top of the fixing frame 19 is fixedly connected with a fan 20, the inner side wall of the fan 20 is fixedly connected with a mounting frame 22 at the position close to the left side edge, one side of the mounting frame 22 is fixedly connected with a motor 23, the output end of the motor 23 is fixedly connected with fan blades 24, the inner side wall of the fan 20 is fixedly connected with a protection frame 25 at the position close to the right side edge, the lower surface of the sealing cover 2 is fixedly connected with a temperature sensor 3 at the positions close to the left and right side edges;

swing joint has lithium cell 5 between compression spring 8, and lithium cell 5's surface fixedly connected with fire prevention membrane 4, the interior bottom fixedly connected with water prevention membrane 15 of main part 1, and the top of main part 1 is provided with closing cap 2, and the lower surface of closing cap 2 just is close to the equal fixedly connected with fire prevention sealing strip 6 of edge all around, plays the convenient effect of carrying on fire prevention, water prevention and explosion-proof.

The interior bottom of main part 1 just is close to the equal fixedly connected with of left and right sides edge department and props up piece 16, plays the effect that conveniently carries out the location support, props up the upper surface of piece 16 and lithium cell body 5's lower surface swing joint, plays the effect that conveniently carries out the location connection, and the bottom fixedly connected with landing leg 12 of main part 1, the bottom fixedly connected with callus on the sole 13 of landing leg 12 plays the convenient effect that carries out the absorbing.

The working principle is as follows: during the use, through putting lithium cell 5 between compression spring 8, wiring on terminal 14 through opening a body 10 after that, when lithium cell 5 normal operating, produce the air current through start-up fan 20 and cool down the thermal treatment to lithium cell 5 to through temperature sensor 3, can detect lithium cell 5's temperature in real time, can cut off the power supply by force when the temperature exceeds standard, interrupt lithium cell 5's operation, reach the purpose of cooling.

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 battery with an explosion-proof and flame-retardant structure, comprising a main body (1), characterized in that: the right side wall of the main body (1) is fixedly connected with a junction box (9), the left side wall of the junction box (9) and the left inner side wall of the main body (1) are both fixedly connected with a current-conducting plate (7), and the surface of the current-conducting plate (7) is fixedly connected with a compression spring (8);

a heat dissipation opening (17) is formed in the bottom of the main body (1), a dustproof filter element (18) is fixedly connected inside the heat dissipation opening (17), fixing frames (19) are fixedly connected to the upper surface of the dustproof filter element (18) and the positions close to the left side edge and the right side edge, and a fan (20) is fixedly connected to the top of each fixing frame (19);

swing joint has lithium cell body (5) between compression spring (8), the fixed surface of lithium cell body (5) is connected with fire prevention membrane (4), interior bottom fixedly connected with water proof membrane (15) of main part (1).

2. The lithium battery with an explosion-proof and flame-retardant structure as claimed in claim 1, wherein: the utility model discloses a fan, including fan (20), the inside wall of fan (20) just is close to left side edge fixedly connected with mounting bracket (22), one side fixedly connected with motor (23) of mounting bracket (22), the output end fixedly connected with flabellum (24) of motor (23), the inside wall of fan (20) just is close to right side edge fixedly connected with protection frame (25).

3. The lithium battery with an explosion-proof and flame-retardant structure as claimed in claim 1, wherein: the top of main part (1) is provided with closing cap (2), the lower surface of closing cap (2) just is close to all around equal fixedly connected with fire prevention sealing strip (6) of edge, the lower surface of closing cap (2) just is close to about equal fixedly connected with temperature sensor (3) of edge department.

4. The lithium battery with an explosion-proof and flame-retardant structure as claimed in claim 1, wherein: the interior bottom of main part (1) just is close to the equal fixedly connected with of left and right sides edge department and props up piece (16), the upper surface of propping up piece (16) and the lower surface swing joint of lithium cell body (5).

5. The lithium battery with an explosion-proof and flame-retardant structure as claimed in claim 1, wherein: the internal fixed connection of junction box (9) has terminal (14), the quantity of terminal (14) is a plurality of.

6. The lithium battery with an explosion-proof and flame-retardant structure as claimed in claim 1, wherein: the right side wall of the main body (1) is rotatably connected with a door body (10) through a hinge, and a handle (11) is fixedly connected to the surface of the door body (10) and is close to the edge of the rear side.

7. The lithium battery with an explosion-proof and flame-retardant structure as claimed in claim 1, wherein: the bottom fixedly connected with landing leg (12) of main part (1), the bottom fixedly connected with callus on the sole (13) of landing leg (12).

8. The lithium battery with an explosion-proof and flame-retardant structure as claimed in claim 1, wherein: the front of main part (1) just is close to the top edge and has seted up ventilation hole (21), the quantity of ventilation hole (21) is a plurality of.