CN210443594U

CN210443594U - Combined lithium battery box

Info

Publication number: CN210443594U
Application number: CN201921473099.1U
Authority: CN
Inventors: 何光明; 李克俭; 何凯翔; 武显平; 黄平江
Original assignee: Xinjiang Smei New Energy Co Ltd
Current assignee: Xinjiang Smei New Energy Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-01
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a lithium cell field just discloses a modular lithium battery case, including the installation casing, the axle center department of installation casing has seted up the ventilation passageway, set up evenly distributed's slot on the installation casing, slot and ventilation passageway intercommunication, it has the lithium cell to peg graft in the slot, the top fixedly connected with negative pole circuit board of installation casing, the top of negative pole circuit board is provided with the lid, the bottom of lid runs through negative pole circuit board in proper order and installs the casing and peg graft with the installation casing, it is equipped with ventilation unit to inlay on the lid, the equal fixedly connected with fixed plate in top of the installation casing left and right sides, two the spout has all been seted up to one side that the fixed plate is relative, two the equal swing joint in inside of spout has the slider. The utility model discloses a, it is more troublesome to have solved the dismantlement, wastes time and energy, has dust, moisture to get into easily and leads to the fault rate high, and life reduces, the not good problem of thermal diffusivity.

Description

Combined lithium battery box

Technical Field

The utility model relates to a lithium cell field specifically is a modular lithium cell battery case.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a negative electrode material. The lithium battery is a power supply device frequently used in daily life of people, and is widely used in the fields of electric automobiles, electric bicycles and the like due to the advantages of high storage energy, light weight, long service life and the like.

At present, the lithium cell generally all adopts the several battery combination to form when using, but the heat that this kind of modular lithium cell produced gathers easily, and the thermal diffusivity is poor, sets up the bleeder vent on whole lithium cell mounting box, has dust, moisture to get into the trouble that causes the lithium cell easily, influences life, and prior art battery cover adopts the screw fixation, and it is troublesome to dismantle, leads to dismantling to waste time and energy, provides a modular lithium cell battery case for this and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a modular lithium battery case has and dismantles the convenience, and the thermal diffusivity is strong, avoids dust, moisture to get into and leads to the fault rate high, and the advantage that life reduced has solved and has dismantled more troublesome, wastes time and energy, has dust, moisture to get into easily and leads to the fault rate high, and life reduces, the not good problem of thermal diffusivity.

(II) technical scheme

For realizing the aforesaid dismantlement convenience, the thermal diffusivity is strong, avoids dust, moisture to get into the purpose that leads to the fault rate high, life reduces, the utility model provides a following technical scheme:

a combined lithium battery box comprises an installation shell, wherein a ventilation channel is formed in the axis of the installation shell, uniformly distributed pits are formed in the installation shell, the pits are communicated with the ventilation channel, lithium batteries are inserted in the pits, a negative circuit board is fixedly connected to the top of the installation shell, a box cover is arranged at the top of the negative circuit board, the bottom of the box cover sequentially penetrates through the negative circuit board and the installation shell and is spliced with the installation shell, a ventilation device is embedded in the box cover, fixed plates are fixedly connected to the tops of the left side and the right side of the installation shell, sliding grooves are formed in the opposite sides of the two fixed plates, sliding blocks are movably connected inside the two sliding grooves, the opposite sides of the two sliding blocks are spliced with the box cover, springs are fixedly connected to the opposite sides of the two sliding blocks, and one ends, away from the sliding blocks, of the two springs are, the bottom of two sliding holes is respectively communicated with two sliding grooves, two the sliding holes are internally provided with a pull rod and two pull ropes, the bottom ends of the pull rods are fixedly connected with pull ropes, the pull ropes are far away from one ends of the pull rods and are respectively fixedly connected with two sliding blocks, the bottom of the mounting shell is fixedly connected with an anode circuit board, the top of the lithium battery is in contact with the bottom of the cathode circuit board, and the bottom of the lithium battery is in contact with the top of the anode circuit board.

Preferably, the socket has all been seted up to the left and right sides of lid, the lid is pegged graft with two sliders respectively through two sockets, the bottom integrated into one piece of lid has two plugs, two the bottom of plug runs through negative pole circuit board in proper order and installs the casing and peg graft with the installation casing.

Preferably, the negative electrode circuit board is provided with a vent hole, the vent hole corresponds to the ventilation channel, and the left side and the right side of the negative electrode circuit board are provided with plug-in through holes.

Preferably, the ventilation device comprises a ventilator, a metal filter screen is fixedly connected to the top of the ventilator, dust-absorbing cotton is fixedly connected to the bottom of the ventilator, and a water-absorbing layer is fixedly connected to the bottom of the dust-absorbing cotton.

Preferably, the bottom of the mounting shell is fixedly connected with an insulating layer, and the top of the insulating layer is fixedly connected with the bottom of the positive circuit board.

Preferably, the pull rod outer sleeve is provided with an anti-slip sleeve fixedly connected with the pull rod outer sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides a modular lithium battery case possesses following beneficial effect:

1. this combination formula lithium battery case grasps the pull rod upward movement through the staff, and the pull rod motion is followed to the stay cord, and stay cord pulling slider slides and compression spring to both sides, makes in the slider gets into the spout completely, and the lid can directly take out, and the device cooperation is simple, and it is convenient to dismantle, dismantles labour saving and time saving, has solved and has dismantled more troublesome, the problem that wastes time and energy.

2. This combination formula lithium battery case, through the scavenger fan, arrange the device with the heat that lithium cell 4 produced outside through ventilation passageway and ventilation hole, reduce the temperature in the installation casing, reach radiating effect, the dust absorption is cotton and the dust that the layer that absorbs water is close to ventilation unit with the external world, steam absorbs, metal filters further prevents in the dust entering device, reduce the fault rate of lithium cell, and service life is increased, it has the dust easily to have solved, moisture gets into and leads to the fault rate high, and service life reduces, the not good problem of thermal diffusivity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

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

fig. 4 is a schematic structural view of the negative electrode circuit board of the present invention;

fig. 5 is a schematic view of the structure of the box cover of the present invention.

In the figure: 1. installing a shell; 2. a ventilation channel; 3. a dimple; 4. a lithium battery; 5. a negative electrode circuit board; 501. a vent hole; 502. inserting through holes; 6. a box cover; 601. a socket; 602. a plug; 7. a ventilation device; 701. a ventilator; 702. a metal filter screen; 703. dust collection cotton; 704. a water-absorbing layer; 8. a fixing plate; 9. a chute; 10. a slider; 11. a spring; 12. a slide hole; 13. a pull rod; 14. pulling a rope; 15. a positive electrode circuit board; 16. an insulating layer.

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.

Referring to fig. 1-5, a combined lithium battery box comprises a mounting casing 1, a ventilation channel 2 is disposed at the axis of the mounting casing 1, dimples 3 uniformly distributed are disposed on the mounting casing 1, the dimples 3 are communicated with the ventilation channel 2 to facilitate dissipation of heat generated by the lithium battery 4, the lithium battery 4 is inserted in the dimples 3, a negative circuit board 5 is fixedly connected to the top of the mounting casing 1, a box cover 6 is disposed on the top of the negative circuit board 5 including a ventilation hole 501 and a plugging through hole 502, the box cover 6 includes two sockets 601 and two plugs 602, the bottom of the box cover 6 sequentially penetrates through the negative circuit board 5 and the mounting casing 1 and is plugged with the mounting casing 1, a ventilation device 7 is embedded on the box cover 6, the ventilation device 7 includes a ventilation fan 701, a metal filter screen 702, dust-absorbing cotton 703 and a water absorbing layer 704, the ventilation fan 701 exchanges hot air and outside air generated in the device when, the heat dissipation can be accelerated, the dust absorption cotton 703 and the water absorption layer 704 enable dust and water vapor not to enter the device, the top parts of the left side and the right side of the mounting shell 1 are fixedly connected with fixed plates 8, the opposite sides of the two fixed plates 8 are respectively provided with a sliding groove 9, the insides of the two sliding grooves 9 are respectively movably connected with a sliding block 10, the opposite sides of the two sliding blocks 10 are respectively spliced with the box cover 6, the opposite sides of the two sliding blocks 10 are respectively fixedly connected with a spring 11, the ends of the two springs 11 far away from the sliding blocks 10 are respectively fixedly connected with the two sliding grooves 9, the two fixed plates 8 are respectively provided with a sliding hole 12, the bottoms of the two sliding holes 12 are respectively communicated with the two sliding grooves 9, the two sliding holes 12 are respectively and slidably connected with pull rods 13, the bottom ends of the two pull rods 13 are respectively and fixedly connected with pull ropes 14, stay cord 14 follows the motion of

pull rod

13, and 14 pulling sliders 10 of stay cord slide and compression spring 11 to both sides, make slider 10 get into spout 9 completely in, lid 6 can directly take out, and it is convenient to dismantle, dismantles labour saving and time saving, and the bottom fixedly connected with positive circuit board 15 of installation casing 1, the top of lithium cell 4 and the bottom contact of negative circuit board 5, the bottom of lithium cell 4 and the top contact of positive circuit board 15.

Further, socket 601 has all been seted up to the left and right sides of lid 6, lid 6 pegs graft with two sliders 10 respectively through two socket 601, the bottom integrated into one piece of lid 6 has two plugs 602, the bottom of two plugs 602 runs through negative pole circuit board 5 and installation casing 1 in proper order and pegs graft with installation casing 1, two plugs 602 conveniently fix negative pole circuit board 5 and be connected with installation casing 1, socket 601 makes things convenient for slider 10 to peg graft with lid 6, convenient dismantlement.

Furthermore, the negative electrode circuit board 5 is provided with a vent hole 501, the vent hole 501 corresponds to the ventilation channel 2, the left side and the right side of the negative electrode circuit board 5 are provided with plug-in through holes 502, the plug-in through holes 502 facilitate the fixing of the negative electrode circuit board 5 by the plug 602, and the vent hole 501 facilitates the air circulation of the device.

Furthermore, the ventilation device 7 includes a ventilation fan 701, a metal filter screen 702 is fixedly connected to the top of the ventilation fan 701, dust-absorbing cotton 703 is fixedly connected to the bottom of the ventilation fan 701, a water-absorbing layer 704 is fixedly connected to the bottom of the dust-absorbing cotton 703, hot air and outside air generated in the device are replaced when the ventilation fan 701 works, heat dissipation can be accelerated, and dust and water vapor cannot enter the device through the dust-absorbing cotton 703 and the water-absorbing layer 704.

Further, the bottom of the mounting shell 1 is fixedly connected with an insulating layer 16, the top of the insulating layer 16 is fixedly connected with the bottom of the positive circuit board 15, and the insulating layer 16 completely wraps the positive circuit board 15 to prevent electric leakage.

Furthermore, the pull rod 13 is sleeved with an anti-slip sleeve fixedly connected with the pull rod 13, so that an operator can stably hold the pull rod 13.

The working principle is as follows: placing the positive circuit board 15 at the bottom of the installation shell 1, fixing the insulating layer 16 at the bottom of the installation shell 1, placing the lithium battery 4 into the recess 3, placing the negative circuit board 5 at the top of the installation shell 1 after placing, wherein the two plug through holes 502 correspond to the two sockets 601, inserting the two plugs 602 at the bottom of the box cover 6 into the installation shell 1 through the two plug through holes 502, inserting the slide block 10 into the two sockets 601 to fix the box cover 6, when the lithium battery 4 works, the heat generated by the lithium battery 4 enters the ventilation channel 2, opening the ventilation fan 701, exhausting the hot air out of the device through the ventilation channel 2 and the ventilation hole 501 by the ventilation fan 701, reducing the temperature in the installation shell 1 to achieve the heat dissipation effect, absorbing the water vapor outside near the ventilation device 7 by the water absorbing layer 704, absorbing the dust near the ventilation device 7 from the outside by the dust absorbing cotton 703, metal filters 702 further prevent dust entering the device, reduce the fault rate of lithium cell 4, have increased life. When lithium cell 4 need be maintained or changed, the staff grasps pull rod 13 upward movement, pull rod 13 motion is followed to pull rope 14, pull rope 14 stimulates slider 10 and slides and compression spring 11 to both sides, make slider 10 get into spout 9 completely in, lid 6 can directly take out, it is convenient to dismantle, dismantle labour saving and time saving, it is more troublesome to have solved the dismantlement, waste time and energy, there is the dust easily, moisture gets into and leads to the fault rate high, life reduces, the not good problem of thermal diffusivity

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. A modular lithium battery case, includes installation casing (1), its characterized in that: the structure is characterized in that a ventilation channel (2) is arranged at the axis of the installation shell (1), uniformly distributed pits (3) are formed in the installation shell (1), the pits (3) are communicated with the ventilation channel (2), lithium batteries (4) are inserted into the pits (3), a negative circuit board (5) is fixedly connected to the top of the installation shell (1), a box cover (6) is arranged at the top of the negative circuit board (5), the bottom of the box cover (6) sequentially penetrates through the negative circuit board (5) and the installation shell (1) and is spliced with the installation shell (1), a ventilation device (7) is embedded in the box cover (6), fixed plates (8) are fixedly connected to the tops of the left side and the right side of the installation shell (1), two opposite sides of the fixed plates (8) are respectively provided with a sliding groove (9), and sliding blocks (10) are movably connected to the insides of the two sliding grooves (9, one side, opposite to the two sliding blocks (10), of each sliding block is connected with a box cover (6) in an inserting mode, one side, opposite to the two sliding blocks (10), of each sliding block is fixedly connected with a spring (11), one end, far away from the corresponding sliding block (10), of each spring (11) is fixedly connected with two sliding grooves (9), sliding holes (12) are formed in each fixing plate (8), the bottoms of the two sliding holes (12) are communicated with the two sliding grooves (9) respectively, pull rods (13) are connected in the two sliding holes (12) in a sliding mode, pull ropes (14) are fixedly connected to the bottom ends of the two pull rods (13), one ends, far away from the pull rods (13), of the two pull ropes (14) are fixedly connected with the two sliding blocks (10) respectively, a positive circuit board (15) is fixedly connected to the bottom of the installation shell (1), and the top of the lithium battery (4) is in contact with, the bottom of the lithium battery (4) is in contact with the top of the positive circuit board (15).

2. A battery pack for a combined lithium battery according to claim 1, wherein: socket (601) have all been seted up to the left and right sides of lid (6), lid (6) are pegged graft with two slider (10) respectively through two socket (601), the bottom integrated into one piece of lid (6) has two plug (602), two the bottom of plug (602) runs through negative pole circuit board (5) and installation casing (1) in proper order and pegs graft with installation casing (1).

3. A battery pack for a combined lithium battery according to claim 1 or 2, wherein: the negative pole circuit board is characterized in that a ventilation hole (501) is formed in the negative pole circuit board (5), the ventilation hole (501) corresponds to the ventilation channel (2), and the left side and the right side of the negative pole circuit board (5) are provided with inserting through holes (502).

4. A battery pack for a combined lithium battery according to claim 1, wherein: the ventilating device (7) comprises a ventilating fan (701), a metal filter screen (702) is fixedly connected to the top of the ventilating fan (701), dust-absorbing cotton (703) is fixedly connected to the bottom of the ventilating fan (701), and a water absorbing layer (704) is fixedly connected to the bottom of the dust-absorbing cotton (703).

5. A battery pack for a combined lithium battery according to claim 1, wherein: the bottom of the mounting shell (1) is fixedly connected with an insulating layer (16), and the top of the insulating layer (16) is fixedly connected with the bottom of the positive circuit board (15).

6. A battery pack for a combined lithium battery according to claim 1, wherein: and an anti-slip sleeve fixedly connected with the pull rod (13) is sleeved outside the pull rod.