CN216055004U

CN216055004U - Damping and heat-insulating protection device for lithium iron manganese phosphate battery

Info

Publication number: CN216055004U
Application number: CN202122343060.1U
Authority: CN
Inventors: 张克强; 温永升; 邢子傲
Original assignee: Hebei Jiucong Technology Co ltd
Current assignee: Hebei Jiucong Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-15
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to the technical field of battery protection, and provides a damping and heat-insulating protection device for a lithium iron manganese phosphate battery, which is convenient for rapidly discharging heat near the battery to reduce the temperature near the battery and improve the service life of the battery, buffer gear has been increased simultaneously, in order to alleviate the vibrations that the external world brought, stability in use and reliability are improved, including battery body and work box, two first dead levers of inside wall fixedly connected with of work box, sliding sleeve is equipped with two sliders on the first dead lever, the top of two sliders all rotates and is connected with the connecting plate, the other end rotation of two first connecting plates is connected with the connecting block, the top fixedly connected with slide of connecting block, the top and the battery body coupling of slide, the inside wall sliding connection of slide and work box, the inside wall fixedly connected with second dead lever of work box, sliding sleeve is equipped with two working plates on the second dead lever.

Description

Damping and heat-insulating protection device for lithium iron manganese phosphate battery

Technical Field

The utility model relates to the technical field of battery protection, in particular to a damping and heat-insulating protection device for a lithium iron manganese phosphate battery.

Background

As is well known, a lithium iron phosphate battery refers to a lithium ion battery using lithium iron phosphate as a positive electrode material. The anode material of the lithium ion battery mainly comprises lithium cobaltate, lithium manganate, lithium nickelate, ternary material, lithium iron phosphate and the like. Lithium cobaltate is the cathode material that present the use of most lithium ion battery, and lithium iron phosphate battery easily receives external vibrations when using and leads to the circuit connection of battery bad, influences the life of battery, and battery itself reaches certain temperature simultaneously, easily leads to the electric quantity of motor to reduce, influences the result of use.

When the existing lithium manganese iron phosphate battery is used, the lithium manganese iron phosphate battery is usually connected through bolts and is not protected and cooled, so that a shock absorption and heat insulation protection device for the lithium manganese iron phosphate battery is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a damping and heat-insulating protection device for a lithium iron manganese phosphate battery, which aims to solve the problems of the prior art that the use effect is influenced by poor circuit contact caused by external vibration and the heat dissipation of the battery is inconvenient.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a shock-absorbing and heat-insulating protection device for a lithium manganese iron phosphate battery comprises a battery body and a working box, wherein two first fixing rods are fixedly connected to the inner side wall of the working box, two sliding blocks are sleeved on the first fixing rods in a sliding manner, connecting plates are respectively and rotatably connected to the top ends of the two sliding blocks, connecting blocks are rotatably connected to the other ends of the two first connecting plates, sliding plates are fixedly connected to the top ends of the connecting blocks, the top ends of the sliding plates are connected with the battery body, the sliding plates are slidably connected with the inner side wall of the working box, second fixing rods are fixedly connected to the inner side wall of the working box, two working plates are slidably sleeved on the second fixing rods, two ends of the two working plates are respectively and fixedly connected with four sliding blocks through four second connecting plates, two springs are sleeved on the second fixing rods, a plurality of mounting plates are fixedly connected to the top ends of the sliding plates, a protective cover is sleeved on the battery body, and is connected with the mounting plates through a plurality of bolts, the mounting hole has been seted up on the top of protection casing, installs the fan in the mounting hole.

Preferably, the top end of the working box is connected with a plurality of pressing blocks through bolts.

Furthermore, the bottom end of the pressing block is connected with a cushion pad.

Still further, the inside wall of protection casing is connected with a plurality of heat insulating boards.

As a further scheme of the scheme, the bottom end of the working box is fixedly connected with four supporting legs, and the bottom ends of the four supporting legs are respectively connected with two bottom plates.

As a further scheme of the scheme, a plurality of mounting holes are formed in the bottom plate.

On the basis of the scheme, the two ends of the first fixing rod are fixedly sleeved with the protection rings.

On the basis of the scheme, the top end of the protective cover is provided with a wire arranging opening.

(III) advantageous effects

Compared with the prior art, the utility model provides a damping and heat-insulating protection device for a lithium iron manganese phosphate battery, which has the following beneficial effects:

1. according to the damping and heat-insulating protection device for the lithium iron manganese phosphate battery, the spring is arranged, so that when the battery body is vibrated from the outside, the sliding plate is vibrated up and down, the first connecting plate drives the two working plates to move through the sliding block, the two working plates are buffered through the spring, the lifting amplitude of the sliding plate is reduced, and the effect of damping the battery body is achieved.

2. According to the damping and heat-insulating protection device for the lithium iron manganese phosphate battery, the fan is arranged, so that the fan discharges heat inside the protection cover, and meanwhile, the air flow rate inside the protection cover is accelerated to cool, so that the heat of the battery body is reduced, the service life of the battery is prolonged, and the practicability is improved.

Drawings

FIG. 1 is an exploded perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

fig. 4 is a schematic perspective view of the present invention.

In the figure: 1. a battery body; 2. a work box; 3. a first fixing lever; 4. a slider; 5. a first connecting plate; 6. connecting blocks; 7. a slide plate; 8. a second fixing bar; 9. a working plate; 10. a second connecting plate; 11. a spring; 12. mounting a plate; 13. a protective cover; 14. a fan; 15. briquetting; 16. a cushion pad; 17. a heat insulation plate; 18. a support leg; 19. a base plate; 20. mounting holes; 21. a guard ring; 22. and (4) arranging the wire port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, a damping and heat insulation protection device for a lithium iron manganese phosphate battery comprises a battery body 1 and a work box 2, wherein four support legs 18 are fixedly connected to the bottom end of the work box 2, two bottom plates 19 are respectively connected to the bottom ends of the four support legs 18, a plurality of mounting holes 20 are formed in the bottom plates 19, the device is mounted to a required position through the mounting holes 20, two first fixing rods 3 are fixedly connected to the inner side wall of the work box 2, two sliding blocks 4 are slidably sleeved on the first fixing rods 3, the top ends of the two sliding blocks 4 are rotatably connected with connecting plates, the other ends of the two first connecting plates 5 are rotatably connected with connecting blocks 6, a sliding plate 7 is fixedly connected to the top end of the connecting block 6, the top end of the sliding plate 7 is connected with the battery body 1, the sliding plate 7 is slidably connected with the inner side wall of the work box 2, and the top end of the work box 2 is connected with a plurality of pressing blocks 15 through bolts, the bottom end of the pressing block 15 is connected with a buffering cushion 16, the pressing block 15 is arranged to limit the sliding plate 7 so as to avoid the influence of overlarge movement amplitude of the sliding plate 7 on the connection of the battery body 1, the inner side wall of the working box 2 is fixedly connected with a second fixed rod 8, two working plates 9 are slidably sleeved on the second fixed rod 8, two ends of the two working plates 9 are respectively and fixedly connected with four sliding blocks 4 through four second connecting plates 10, two springs 11 are sleeved on the second fixed rod 8 to enable the springs 11 to buffer the battery body 1 through the matching of the sliding blocks 4, the connecting plates and the sliding plate 7, the top end of the sliding plate 7 is fixedly connected with a plurality of mounting plates 12, the battery body 1 is sleeved with a protective cover 13, the battery body 1 is protected through the protective cover 13, the inner side wall of the protective cover 13 is connected with a plurality of heat insulation plates 17, and the entry of external hot air into the protective cover 13 is reduced through the heat insulation plates 17, protection casing 13 is connected with a plurality of mounting panels 12 through a plurality of bolts, the installing port has been seted up on the top of protection casing 13, install fan 14 in the installing port, heat that will not discharge in the protection casing 13 through fan 14, the fixed cover of both ends of first dead lever 3 is all equipped with guard ring 21, guard ring 21 is soft material, so as to protect slider 4, avoid slider 4 to collide with the inside wall of work box 2 and lead to damaging, winding displacement mouth 22 has been seted up on the top of protection casing 13.

The fan 14 in this embodiment is a conventional device purchased on the market and known to those skilled in the art, the model of the fan 14 is selected or customized according to actual needs, in this patent, we only use it, and do not improve its structure and function, its setting mode, installation mode, and electrical connection mode, for those skilled in the art, as long as debugging operation is performed according to the requirements of its usage specification, it is not described here any more, and the fan 14 is provided with a control switch matched therewith, the installation position of the control switch is selected according to actual usage needs, and it is convenient for an operator to perform operation control.

In conclusion, this thermal-insulated protection device of shock attenuation for lithium iron manganese phosphate battery's theory of operation and working process do, when using, at first place this thermal-insulated protection device of shock attenuation for lithium iron manganese phosphate battery in the place that needs to use, open fan 14, make fan 14 discharge the inside heat of protection casing 13, accelerate the inside air flow rate of protection casing 13 simultaneously and cool down to battery body 1, in order to alleviate battery body 1's heat, simultaneously when battery body 1 receives external vibrations, make slide 7 receive vibrations and rock from top to bottom, make first connecting plate 5 drive two work boards 9 through slider 4 and remove, so that cushion two work boards 9 through spring 11, in order to alleviate slide 7's amplitude of rise, in order to reach the absorbing effect to battery body 1.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shock-absorbing heat-insulating protection device for a lithium iron manganese phosphate battery comprises a battery body (1) and is characterized by further comprising a working box (2), wherein two first fixing rods (3) are fixedly connected to the inner side wall of the working box (2), two sliding blocks (4) are slidably sleeved on the first fixing rods (3), connecting plates are rotatably connected to the top ends of the two sliding blocks (4), connecting blocks (6) are rotatably connected to the other ends of the two first connecting plates (5), sliding plates (7) are fixedly connected to the top ends of the connecting blocks (6), the top ends of the sliding plates (7) are connected with the battery body (1), the sliding plates (7) are slidably connected to the inner side wall of the working box (2), a second fixing rod (8) is fixedly connected to the inner side wall of the working box (2), two working plates (9) are slidably sleeved on the second fixing rod (8), and two ends of the two working plates (9) are respectively and fixedly connected with the four sliding blocks (4) through four second connecting plates (10), the cover is equipped with two springs (11) on second dead lever (8), a plurality of mounting panel (12) of top fixedly connected with of slide (7), the cover is equipped with protection casing (13) on battery body (1), and protection casing (13) are connected with a plurality of mounting panel (12) through a plurality of bolts, and the installing port has been seted up on the top of protection casing (13), installs fan (14) in the installing port.

2. The shock-absorbing and heat-insulating protection device for the lithium iron manganese phosphate battery according to claim 1, characterized in that a plurality of pressing blocks (15) are connected to the top end of the working box (2) through bolts.

3. The shock-absorbing and heat-insulating protection device for the lithium iron manganese phosphate battery according to claim 2, characterized in that a cushion (16) is connected to the bottom end of the pressing block (15).

4. The lithium iron manganese phosphate battery shock absorption and heat insulation protection device according to claim 3, characterized in that a plurality of heat insulation plates (17) are connected to the inner side wall of the protection cover (13).

5. The shock-absorbing and heat-insulating protection device for the lithium iron manganese phosphate battery according to claim 4 is characterized in that four legs (18) are fixedly connected to the bottom end of the work box (2), and two bottom plates (19) are respectively connected to the bottom ends of the four legs (18).

6. The lithium iron manganese phosphate battery shock absorption and heat insulation protection device according to claim 5, characterized in that the bottom plate (19) is provided with a plurality of mounting holes (20).

7. The shock-absorbing and heat-insulating protection device for the lithium iron manganese phosphate battery as claimed in claim 6, wherein both ends of the first fixing rod (3) are fixedly sleeved with a protection ring (21).

8. The shock-absorbing heat-insulating protection device for the lithium iron manganese phosphate battery according to claim 7, characterized in that the top end of the protective cover (13) is provided with a wire arranging port (22).