CN218896735U

CN218896735U - Lithium battery protection frame convenient to quick assembly disassembly

Info

Publication number: CN218896735U
Application number: CN202222910077.5U
Authority: CN
Inventors: 邓纶浩; 彭金兰
Original assignee: Jiangxi Jiuding Power New Energy Technology Co ltd
Current assignee: Jiangxi Jiuding Power New Energy Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-21
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a lithium battery protection frame convenient to disassemble and assemble, which comprises a protection box and a water pump, wherein a support frame is fixedly arranged at the bottom of the outer surface of the protection box, a water pipe is fixedly arranged in the support frame, the water pump is arranged in the water pipe in a penetrating manner, a semiconductor refrigerator is fixedly arranged on the water pipe, a heating wire is arranged in the water pipe, a silica gel strip is arranged at the bottom of the protection box in a penetrating manner, a rotating shaft is sleeved outside the silica gel strip, a heat dissipation fan is arranged at the tail end of the rotating shaft, the heat dissipation fan is arranged in the water pipe, a fan is arranged at the upper end of the rotating shaft, and the fan is arranged in the protection box. When the lithium battery explodes, a large amount of inflammable gas is released, and because the protection box is a closed space, the inflammable gas is increased, the rubber sheet can be broken, the inflammable gas is dispersed from the protection box, the inflammable gas is not accumulated, the possibility of explosion is reduced, and the time of explosion is prolonged.

Description

Lithium battery protection frame convenient to quick assembly disassembly

Technical Field

The utility model relates to the technical field of lithium battery protection frames, in particular to a lithium battery protection frame convenient to disassemble and assemble rapidly.

Background

Lithium batteries are primary batteries using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material, and can be roughly classified into two types: lithium metal batteries and lithium ion batteries.

Along with the development of microelectronic technology at the end of the twentieth century, lithium batteries subsequently enter a large-scale practical stage, a part of existing lithium batteries are applied to the field of automobiles, and the lithium batteries can be put into automobiles only after being put into the protective frames, but the existing lithium battery protective frames have a plurality of problems:

1. the lithium battery is fixed in a protection way because the lithium battery is not firm in use and can be damaged due to collision, and the lithium battery is possibly caused to be out of control and explode to cause fire, but the original protection box and the fixed structure are simpler and cannot play a better protection role on the lithium battery;

2. in general, a lithium battery is easy to expand before explosion, releases a large amount of combustible gas, is not easy to diffuse, can accumulate the combustible gas, and can deflagrate or explode after the combustible gas reaches a certain concentration;

3. the heat emitted by the lithium battery during use is very high, so that the heat is not easy to dissipate, the operation is stopped when the temperature of the lithium battery instrument is too high, the working efficiency is slowed down, and explosion is seriously possibly caused.

Disclosure of Invention

The utility model aims to provide a lithium battery protection frame convenient to disassemble and assemble, so as to solve the problems that in the prior art, the lithium battery is fixed insecurely and can be damaged due to collision to cause explosion and fire in the use process, but the original protection box and the fixed structure are simpler and cannot better protect the lithium battery; flammable gas accumulates, and when the flammable gas reaches a certain concentration, a problem of knocking or explosion may occur.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lithium battery protection frame comprises a protection box and a water pump, wherein a support frame is fixedly arranged at the bottom of the outer surface of the protection box, a water pipe is fixedly arranged in the support frame, the water pump is installed in the water pipe in a penetrating manner, a semiconductor refrigerator is fixedly arranged on the water pipe, a heating wire is arranged in the water pipe, a silica gel strip is installed at the bottom of the protection box in a penetrating manner, a rotating shaft is sleeved outside the silica gel strip, a heat dissipation fan is installed at the tail end of the rotating shaft and in the water pipe, a fan is installed at the upper end of the rotating shaft and in the protection box,

the inside bottom surface of protection box installs the spring, and the opposite side of this spring installs the baffle to all overlap all around and establish and install the fixed plate, install the stopper on the inner wall of protection box, and on the inner wall of protection box top embedded install the location strip, fixed mounting has the lug on the inner wall of protection box, the lid is installed to the top buckle of protection box, the power cord import and export has been seted up at the top of lid, lid power cord import and export department is provided with the sealing washer, the cavity has been seted up on the inner wall of protection box, and the last fixed mounting rubber sheet of cavity inner wall, be fixed with the filter screen on the protection box outer wall, and the steel needle is installed to one side of filter screen, be fixed with the detector on the outer wall of protection box, the slide rail has been seted up on the inner wall of protection box, and the anticollision strip sets up to arc structure, and the surface at the slide rail is installed to the both ends embedding of anticollision strip.

Preferably, the water pipe is arranged in a shape of a Chinese character 'hui', the water pipe at the radiating fan is provided with a convex shape, half of the radiating fan is placed in the convex shape, and one surface refrigerated by the semiconductor refrigerator is attached to the outer wall of the water pipe.

By adopting the technical scheme, the fan blades of the radiating fins are impacted by water flow to rotate, so that heat dissipation is faster, and the rotating direction is not easy to be changed by countercurrent water.

Preferably, the rubber sheet is arranged on the inner side of the cavity, the filter screen is fixed on the outer side of the cavity, the steel needle on the filter screen is fixed on the inner side of the filter screen, and the steel needle is arranged corresponding to the rubber sheet in position.

By adopting the technical scheme, when the lithium battery in the inner part expands to release inflammable gas, the inner gas increases to outwards prop up the rubber sheet, the steel needle is touched, and the rubber sheet breaks to release inflammable gas.

Preferably, a spring is connected between the partition plate and the fixed plate, and the limiting block is correspondingly arranged with the fixed plate.

By adopting the technical scheme, the fixing plate is used for fixing the lithium battery, so that collision is reduced.

Preferably, the tail end of the positioning strip is connected with the bump in a clamping way, the positioning strip is rotationally connected in the inner wall of the protection box, and the positioning strip is sleeved and installed in the inner wall of the protection box.

By adopting the technical scheme, the lithium battery can be fixed, and the lithium battery cannot shake up and down because the bottom is a spring

Compared with the prior art, the utility model has the beneficial effects that: this lithium cell protection frame convenient to quick assembly disassembly:

1. when the lithium battery releases inflammable gas, the rubber sheet contacts with the steel needle to release the inflammable gas to the outside of the protection box and diffuse in the outside air, so that explosion caused by the increase of the accumulation concentration of the gas in the protection frame is avoided;

2. the silicon rubber strips and the heat radiating fans are arranged to transfer heat into the water pipe, so that the heat in the protection box is reduced, the explosion caused by circuit aging due to high temperature is avoided, and the working efficiency of the lithium battery is improved; the heat dissipation fan and the water pump are arranged, and water flow impacts the heat dissipation fan to take away heat on the heat dissipation fan, so that the temperature of the heat dissipation fan can be quickly reduced, and the heat dissipation efficiency is improved; the water pump and the semiconductor refrigerator are arranged, so that the heat of water can be reduced, the cooled water can circularly flow in the water pipe, the temperature brought by the radiating fan can be quickly reduced, the water can be kept at a lower temperature, and the water can be circularly used;

3. the lithium battery fixing device is characterized in that a limiting block and a fixing plate are arranged, when the lithium battery is placed on the partition plate, the limiting block pushes the fixing plate to rotate, the lithium battery is convenient to automatically clamp, the lithium battery is not left and right to shake, meanwhile, the lithium battery is fixed by the locating strip above the fixing plate, the lithium battery is not enabled to move up and down to generate friction, damage is caused to explode, when the lithium battery is taken out, the locating strip is reset, the spring pushes the lithium battery upwards, the lithium battery is taken out more quickly and laborsaving, the fixing plate is fixed to the lithium battery, and better taking out of the lithium battery is facilitated.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of the structure of FIG. 1A according to the present utility model;

fig. 5 is a schematic top view of the water pipe of the present utility model.

In the figure: 1. a protective case; 2. a support frame; 3. a water pipe; 4. a water pump; 5. a semiconductor refrigerator; 6. a silica gel strip; 7. a rotation shaft; 8. a heat dissipation fan; 9. a fan; 10. a spring; 11. a partition plate; 12. a fixing plate; 13. a limiting block; 14. a positioning strip; 15. a bump; 16. a cover; 17. a seal ring; 18. a rubber sheet; 19. a cavity; 20. a filter screen; 21. a steel needle; 22. a detector; 23. a slide rail; 24. a bumper strip; 25. and (5) heating wires.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a lithium cell protection frame convenient to quick assembly disassembly, includes protection box 1, support frame 2, water pipe 3, water pump 4, semiconductor refrigerator 5, silica gel strip 6, rotation axis 7, heat dissipation fan 8, fan 9, spring 10, baffle 11, fixed plate 12, stopper 13, location strip 14, lug 15, lid 16, sealing washer 17, rubber flake 18, cavity 19, filter screen 20, steel needle 21, detector 22, slide rail 23, crashproof strip 24, heater strip 25.

The mounting and dismounting anti-collision concrete implementation process of the lithium battery comprises the following steps:

the spring 10 is installed to the inside bottom surface of protection box 1, and baffle 11 is installed to the opposite side of this spring 10, be connected with spring 10 between baffle 11 and the fixed plate 12, and stopper 13 and fixed plate 12 correspond the setting, and all cover all around of baffle 11 is established and is installed fixed plate 12, install stopper 13 on the inner wall of protection box 1, and on the inner wall of protection box 1 top embedded install location strip 14, fixed mounting has lug 15 on the inner wall of protection box 1, the terminal and the lug 15 block of location strip 14 are connected, and location strip 14 is in the inner wall transfer connection of protection box 1, location strip 14 cover is established and is installed in the inner wall of protection box 1, lid 16 is installed to the top buckle of protection box 1, the power cord access has been seted up at the top of lid 16, lid 16 power cord access department is provided with sealing washer 17, crashproof strip 24 sets up to arc structure, and the both ends of crashproof strip 24 are embedded to be installed at the surface of slide rail 23.

Firstly, the cover 16 is taken down from the protection box 1, the lithium battery is placed on the baffle 11, the spring 10 below the baffle 11 receives gravity shrinkage to drive the baffle 11 and the fixed plate 12 to move downwards, the fixed plate 12 is extruded by the limiting block 13 when moving downwards, the fixed plate 12 rotates inwards on the baffle 11 until the top end of the fixed plate 12 contacts the lithium battery to stop rotating, the spring 10 between the fixed plate 12 and the baffle 11 is also tightened up, the lithium battery is not easy to move around, at the moment, the lithium battery is downwards pressed, the top of the lithium battery is moved below the positioning strip 14, the positioning strip 14 is pulled out from the protection box 1 to rotate by 90 degrees, the tail end of the positioning strip 14 is connected with the bump 15 in a clamping way, the lithium battery is not easy to shake up and down, when the protection box 1 is impacted, the bottom of the anti-collision strip 24 contacts the lithium battery, the anti-collision strip 24 is impacted by the protection box 1 and the lithium battery, the bottom of the anti-collision strip 24 moves on the sliding rail 23, the impact is converted into elastic potential energy, the damage to the impact of the lithium battery is reduced, the power line is placed into the lithium battery from the upper side of the cover 16, and is connected with the lithium battery inside the protection box 1, and the sealing ring 17 is isolated from the outside for protection;

when the lithium battery is taken out, the positioning strip 14 is reversely rotated by 90 degrees and is embedded in the inner wall of the protection box 1, at the moment, the lithium battery loses the resistance of the positioning strip 14, the spring 10 below the baffle 11 stretches out and draws back to drive the baffle 11 and the fixing plate 12 to move upwards, at the moment, the fixing plate 12 moves upwards to lose the extrusion of the limiting block 13, the fixing of the lithium battery is weakened, the spring 10 between the fixing plate 12 and the baffle 11 pushes the fixing plate 12 outwards, and the lithium battery can be pulled out more quickly and conveniently.

Specific embodiment for emitting inflammable gas to lithium battery bulge:

the cavity 19 has been seted up on the inner wall of protection box 1, and the last fixed mounting rubber flake 18 of cavity 19 inner wall, be fixed with filter screen 20 on the protection box 1 outer wall, and steel needle 21 is installed to one side of filter screen 20, be fixed with detector 22 on the outer wall of protection box 1, slide rail 23 has been seted up on the inner wall of protection box 1, crashproof strip 24 sets up to the arc structure, and the both ends embedded mounting at slide rail 23's surface of crashproof strip 24, rubber flake 18 is installed in the inboard of cavity 19, and filter screen 20 is fixed in the outside of cavity 19, and steel needle 21 on the filter screen 20 is fixed the filter screen 20 inboard, steel needle 21 and rubber flake 18 position are corresponding to be set up.

When the cover 16 is covered, the whole protection box 1 is in a sealed state, inflammable gas is easily emitted from the lithium battery, at the moment, the gas inside the protection box 1 is increased, the rubber sheet 18 bulges outwards due to the extrusion of the gas inside, when the rubber sheet 18 expands to a certain degree, the rubber sheet 18 touches the steel needle 21 on the rear filter screen 20, the rubber sheet 18 breaks, the inflammable gas overflows from the protection box 1, the accumulation in the protection box 1 is reduced, and at the moment, the detector 22 detects that the gas in the air is changed, and a user is reminded of being far away from the lithium battery.

Specific implementation process for absorbing heat of lithium battery:

the protection box 1 surface bottom fixed mounting has support frame 2, and the inside fixed mounting of support frame 2 has water pipe 3, water pump 4 runs through and installs in water pipe 3, and the last fixed mounting of water pipe 3 has semiconductor refrigerator 5, and the internally mounted of water pipe 3 has heater strip 25, the bottom of protection box 1 runs through and installs silica gel strip 6, and the outside cover of silica gel strip 6 is established and is installed rotation axis 7, the radiator fan 8 is installed to the end of rotation axis 7, and radiator fan 8 installs in the inside of water pipe 3, fan 9 is installed to the upper end of rotation axis 7, and fan 9 installs in the inside of protection box 1, water pipe 3 sets up to "hui" style of calligraphy, water pipe 3 of radiator fan 8 department is provided with protruding shape, and half of radiator fan 8 is placed in protruding shape, and paste the one side that semiconductor refrigerator 5 refrigerates on the outer wall of water pipe 3.

When the lithium battery is used for a long time and the temperature rises, the silica gel strip 6 can absorb the heat of the protection box 1, the heat is transferred to the heat dissipation fan 8 through the silica gel strip 6, the heat dissipation fan 8 transfers the heat to the water of the water pipe 3, the water pump 4 and the semiconductor refrigerator 5 are opened, the water pump 4 can enable water to flow, the water flow hits the fan blades of the heat dissipation fan 8, the heat absorption is faster, at the moment, the heat dissipation fan 8 rotates to drive the rotating shaft 7 to rotate, the rotating shaft 7 drives the fan 9 to rotate, and the fan 9 enables air heat inside the protection box 1 to be distributed more uniformly. The temperature of rivers rises in the water pipe 3, the semiconductor refrigerator 5 can reduce the temperature with the water in the water pipe, carry rivers circulation through water pump 4, thereby reduce the heat of protection box 1, when external temperature is low, when the lithium cell falls the electricity too fast, open heater strip 25, the temperature of heating water pipe 3 normal water, rivers through water pump 4 with heating reach cooling fan 8, the heat in the rivers is absorbed to cooling fan 8 this moment, cooling fan 8 gives silica gel strip 6 with heat transfer, silica gel strip 6 gives the inside of protection box 1 with heat transfer, the heat of protection box 1 is passed to silica gel strip 6, rotate through fan 9, better disseminated in the inside of protection box 1.

Working principle: when the lithium battery protection frame convenient to disassemble and assemble is used, the lithium battery is fixed by adjusting the fixing plate 12 and the anti-collision strip 24, so that damage caused by friction and collision of the lithium battery is reduced; the flammable gas is emitted to the outer side of the protective box 1 through the rubber sheet 18 and the steel needle 21, so that the concentration of the flammable gas is reduced, and the possibility of explosion is reduced; through heat dissipation fan 8 and silica gel strip 6, absorbed the heat in the protection box 1, increased holistic practicality.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Lithium cell protection frame convenient to quick assembly disassembly, including protection box (1), water pump (4), its characterized in that: the bottom of the outer surface of the protection box (1) is fixedly provided with a support frame (2), the inside of the support frame (2) is fixedly provided with a water pipe (3), the water pump (4) is installed in the water pipe (3) in a penetrating manner, the upper part of the water pipe (3) is fixedly provided with a semiconductor refrigerator (5), the inside of the water pipe (3) is provided with a heating wire (25), the bottom of the protection box (1) is provided with a silica gel strip (6) in a penetrating manner, the outside of the silica gel strip (6) is sleeved with a rotating shaft (7), the tail end of the rotating shaft (7) is provided with a heat dissipation fan (8), the heat dissipation fan (8) is installed in the water pipe (3), the upper end of the rotating shaft (7) is provided with a fan (9), the fan (9) is installed in the protection box (1),

the utility model discloses a protection box, including protection box (1), baffle (11) are installed to the inside bottom surface of protection box (1), and baffle (11) are installed to the opposite side of this spring (10), and all overlap all around of baffle (11) and install fixed plate (12), install stopper (13) on the inner wall of protection box (1), and on the inner wall of protection box (1) top embedded install location strip (14), fixed mounting has lug (15) on the inner wall of protection box (1), lid (16) are installed to the top buckle of protection box (1), the power cord import and export has been seted up at the top of lid (16), lid (16) power cord import and export department is provided with sealing washer (17), set up cavity (19) on the inner wall of protection box (1), and on fixed mounting rubber sheet (18) of cavity (19) inner wall, be fixed with filter screen (20) on the outer wall of protection box (1), and one side of filter screen (20) installs steel needle (21), be fixed with detector (22) on the outer wall of protection box (1), the inner wall (1) has seted up power cord import and export (24) into two arc-shaped slide rail structures, and install anti-collision avoidance strip (24) and install two arc-shaped slide rail structures.

2. The lithium battery protection frame convenient to quick assembly disassembly according to claim 1, wherein: the water pipe (3) is arranged in a shape of a Chinese character 'hui', the water pipe (3) at the radiating fan (8) is provided with a convex shape, one half of the radiating fan (8) is placed in the convex shape, and one surface of the semiconductor refrigerator (5) for refrigeration is attached to the outer wall of the water pipe (3).

3. The lithium battery protection frame convenient to quick assembly disassembly according to claim 1, wherein: the rubber sheet (18) is arranged on the inner side of the cavity (19), the filter screen (20) is fixed on the outer side of the cavity (19), the steel needle (21) on the filter screen (20) is fixed on the inner side of the filter screen (20), and the steel needle (21) is arranged corresponding to the rubber sheet (18).

4. The lithium battery protection frame convenient to quick assembly disassembly according to claim 1, wherein: a spring (10) is connected between the partition plate (11) and the fixed plate (12), and a limiting block (13) is arranged corresponding to the fixed plate (12).

5. The lithium battery protection frame convenient to quick assembly disassembly according to claim 1, wherein: the tail end of the positioning strip (14) is connected with the bump (15) in a clamping mode, the positioning strip (14) is connected in a rotating mode in the inner wall of the protection box (1), and the positioning strip (14) is sleeved and installed in the inner wall of the protection box (1).