CN218827617U

CN218827617U - Lithium iron phosphate battery assembly structure

Info

Publication number: CN218827617U
Application number: CN202223276853.7U
Authority: CN
Inventors: 史海丰; 张伟文; 宋学强
Original assignee: Huizhou Jinhuifeng Technology Co ltd
Current assignee: Huizhou Jinhuifeng Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-07
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a lithium iron phosphate battery package assembly, including equipment case and a plurality of lithium iron phosphate battery, a plurality of lithium iron phosphate batteries arrange the inside of equipment case in, and there is the upper cover at the top of equipment case through the screw connection, and a plurality of round holes have been seted up to the both sides of upper cover surface, and a plurality of through-holes have been seted up at the middle part of upper cover surface, and a plurality of round holes and a plurality of through-hole staggered distribution, the top of a plurality of through-holes all is provided with radiator unit, all is provided with baffle subassembly between a plurality of lithium iron phosphate batteries. This lithium iron phosphate battery package assembly through being provided with the baffle subassembly, when the staff places a plurality of lithium iron phosphate batteries and assembles in the equipment case, has placed the lithium iron phosphate battery after, can remove the activity lath and make wedge one with two contact backs of wedge, finally let the mounting panel drive the V-arrangement support the piece to the outside removal of "returning" font baffle, inconsistent with the surface of lithium iron phosphate battery, the lid closes when the upper cover uses.

Description

Lithium iron phosphate battery assembly structure

Technical Field

The utility model relates to a lithium iron phosphate battery technology field specifically is a lithium iron phosphate battery package assembly.

Background

The lithium iron phosphate battery is a lithium ion battery which uses lithium iron phosphate (LiFePO 4) as a positive electrode material and carbon as a negative electrode material, the rated voltage of a monomer is 3.2V, the charge cut-off voltage is 3.6V-3.65V, and part of lithium ions in the lithium iron phosphate are separated out and transferred to a negative electrode through electrolyte and embedded into a negative electrode carbon material in the charging process; meanwhile, electrons are released from the anode and reach the cathode from an external circuit, so that the balance of chemical reaction is maintained. In the discharging process, lithium ions are separated from the negative electrode, reach the positive electrode through the electrolyte, simultaneously release electrons from the negative electrode, and reach the positive electrode from an external circuit to provide energy for the outside;

the prior published application numbers are: the utility model discloses a CN202123380641.9 utility model, specifically a lithium iron phosphate battery assembly structure, by "a lithium iron phosphate battery assembly structure, including multiple lithium iron phosphate battery pieces, spacers are fixed on the upper and lower portions of the left and right side walls of the lithium iron phosphate battery pieces, all the lithium iron phosphate battery pieces are transversely stacked and arranged in a lower placing shell, two spacers on the upper portions of the adjacent side walls of two adjacent lithium iron phosphate battery pieces are pressed against each other, and two spacers on the lower portion are pressed against each other; two spacers of the left side wall of the left lithium iron phosphate battery piece are tightly attached to the inner side wall of the left side plate of the shell, and two spacers of the right side wall of the right lithium iron phosphate battery piece are tightly attached to the inner side wall of the right side plate of the shell. The bottom plate top surface of placing the casing down is fixed with the protruding strip of placing that extends around a plurality of, and the protruding inside shaping of placing the strip has the through-hole that runs through around, and the bottom surface of lithium iron phosphate battery piece presses on the protruding top surface of placing the strip that corresponds. A plurality of heat dissipation through holes are formed in the top surface of the protruding placing strip and communicated with the through holes. The top of placing the casing down is covered and is closed there is the lid, and the top plug bush of all lithium iron phosphate battery pieces has a plurality of connect the via hole on the roof of last lid, and the top of the electricity connection bellying of lithium iron phosphate battery piece stretches out the top surface of the connect the via hole that corresponds. A frame-shaped edge extending downwards is formed on the bottom surface of the edge of the top plate of the upper cover body, the upper part of the lower placing shell is inserted and sleeved in the frame-shaped edge, a plurality of side connecting through holes are formed on the frame-shaped edge, and the screw rod part of the side fixing bolt is inserted and sleeved in the corresponding side connecting through hole and is in threaded connection with the threaded hole in the side plate of the lower placing shell; the head of side fixing bolt presses the mode on the lateral wall on frame type limit ", though solved" among the present lithium cell assembling process, its adjacent lithium iron phosphate battery piece all presses each other and installs, when some lithium iron phosphate batteries appear in the use scheduling problem, will make adjacent lithium iron phosphate battery piece press inseparabler, influence the radiating effect, receive the problem of influence to the use of whole lithium cell group ", nevertheless the lithium iron phosphate battery piece appears bulging the circumstances in loading incasement portion after, the user of service is difficult to observe its inside condition, if untimely change the lithium iron phosphate battery piece that will bulge, can cause follow-up great potential safety hazard that exists, a lithium iron phosphate battery package assembly has been proposed for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium iron phosphate battery package assembly to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium iron phosphate battery package assembly, is including equipment case and a plurality of lithium iron phosphate battery, and is a plurality of lithium iron phosphate battery arranges the inside of equipment case in, there is the upper cover at the top of equipment case through screw connection, a plurality of round holes have been seted up to the both sides of upper cover surface, a plurality of through-holes have been seted up at the middle part of upper cover surface, and are a plurality of round hole and a plurality of through-hole crisscross distribution are a plurality of the top of through-hole all is provided with radiator unit, and is a plurality of all be provided with baffle subassembly between the lithium iron phosphate battery.

Preferably, the heat dissipation assembly comprises an installation cylinder fixedly connected with the surface of the upper cover, and the fan body is installed in the inner cavity of the installation cylinder.

Preferably, the baffle assembly comprises a 'return' shaped baffle fixedly connected with the inner wall of the assembly box, two pairs of heat dissipation holes are formed in the middle of the top end of the 'return' shaped baffle, and vertical grooves are formed in two sides of the top end of the 'return' shaped baffle.

Preferably, a built-in groove is formed in one side of the inner wall of the vertical groove, a movable lath is connected to an inner cavity of the vertical groove in a sliding mode, a wedge-shaped block I is fixedly connected to the top and the bottom of one side wall of the movable lath, and a pull block is fixedly connected to the top end of the movable lath.

Preferably, the top and the bottom of the two sides of the inner wall of the built-in groove are both provided with communicating holes, the top and the bottom of the inner wall of the other side of the built-in groove are both provided with a pair of mounting grooves, and one side of each mounting groove is provided with a mounting plate.

Preferably, a side wall fixedly connected with gleitbretter of mounting panel, the mounting panel passes through the inner chamber sliding connection of gleitbretter and mounting groove, be connected with the spring between the inner wall of mounting groove and the gleitbretter.

Preferably, one side surface of the mounting plate is fixedly connected with a wedge-shaped block II, the other side surface of the mounting plate is fixedly connected with a V-shaped abutting block, and one part of the V-shaped abutting block is arranged outside the square-shaped partition plate through a communicating hole and is in contact with the lithium iron phosphate battery.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the arrangement of the partition plate assembly, when a worker places a plurality of lithium iron phosphate batteries into the assembly box for assembly, after the lithium iron phosphate batteries are placed, the movable plate strip can be moved to enable the wedge-shaped block I to be in contact with the wedge-shaped block II, and finally the mounting plate drives the V-shaped abutting block to move towards the outside of the 'back' -shaped partition plate and abut against the surface of the lithium iron phosphate batteries;

2. through being provided with radiator unit, constitute the power service period by a plurality of lithium iron phosphate batteries and equipment case, by the fan body in a plurality of installation section of thick bamboos, the intercommunicating pore is arranged in two louvres at "back" font baffle top middle part and is discharged the outside with the steam of equipment incasement portion to this avoids the inside too much heat that accumulates of equipment incasement portion to influence the subsequent normal operating of lithium iron phosphate batteries, and has also improved lithium iron phosphate batteries's life.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the split three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the baffle plate shaped like a Chinese character 'hui';

fig. 4 is a cross-sectional view of the baffle plate shaped like the Chinese character 'hui'.

In the figure: 1. an assembly box; 2. a lithium iron phosphate battery; 3. an upper cover; 4. a circular hole; 5. a through hole; 6. a heat dissipating component; 61. mounting the cylinder; 62. a fan body; 7. a bulkhead assembly; 71. a baffle shaped like a Chinese character 'hui'; 72. heat dissipation holes; 73. a vertical slot; 74. a movable slat; 75. a first wedge block; 76. pulling the block; 77. a communicating hole; 78. mounting grooves; 79. mounting a plate; 710. sliding blades; 711. a spring; 712. a wedge block II; 713. a V-shaped resisting block; 714. a groove is arranged in the groove.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a lithium iron phosphate battery assembly structure comprises an assembly box 1 and a plurality of lithium iron phosphate batteries 2, wherein the plurality of lithium iron phosphate batteries 2 are arranged inside the assembly box 1, the top of the assembly box 1 is connected with an upper cover 3 through screws, two sides of the surface of the upper cover 3 are provided with a plurality of round holes 4, the number of the round holes 4 is sixteen, the round holes are symmetrically distributed and are used for extending out two connecting ends on the lithium iron phosphate batteries 2, the subsequent workers can conveniently carry out wiring operation, the middle part of the surface of the upper cover 3 is provided with a plurality of through holes 5, the number of the through holes 5 is three, the through holes are rectangular and are matched with the top end of a rectangular baffle 71, the round holes 4 and the through holes 5 are distributed in a staggered manner, the tops of the through holes 5 are respectively provided with a heat dissipation component 6, baffle components 7 are respectively arranged among the lithium iron phosphate batteries 2, each baffle component 7 comprises a rectangular baffle 71 fixedly connected with the inner wall of the assembly box 1, the interior of the assembly box 1 is divided into four chambers by a square baffle 71, a certain gap exists between the lithium iron phosphate battery 2 and the square baffle 71, two pairs of heat dissipation holes 72 are formed in the middle of the top end of the square baffle 71, the interior of the assembly box 1 is communicated with the outside under the action of the heat dissipation holes 72, vertical grooves 73 are formed in two sides of the top end of the square baffle 71, a built-in groove 714 is formed in one side of the inner wall of each vertical groove 73, a movable lath 74 is connected to the inner cavity of each vertical groove 73 in a sliding manner, a certain friction force exists between the vertical grooves 73 and the contact surface of the movable lath 74, a wedge block 75 is fixedly connected to the top and the bottom of one side wall of the movable lath 74, a pull block 76 is fixedly connected to the top end of the movable lath 74, and after the movable lath 74 is pulled under the action of the pull block 76 and a spring 711, the V-shaped support block 713 is separated from the lithium iron phosphate battery 2, so as to take and replace the lithium iron phosphate battery 2, the top and the bottom of the two sides of the inner wall of the built-in groove 714 are both provided with communication holes 77, the communication holes 77 enable the outside of the 'return' shaped partition plate 71 to be communicated with the inner cavity of the built-in groove 714, the top and the bottom of the inner wall of the other side of the built-in groove 714 are both provided with a pair of mounting grooves 78, the built-in groove 714 has four mounting grooves 78 in total, one side of each mounting groove 78 is provided with a mounting plate 79, one side wall of each mounting plate 79 is fixedly connected with a sliding plate 710, the mounting plate 79 is limited through the sliding plate 710 and the mounting groove 78, the mounting plate 79 is slidably connected with the inner cavity of the mounting groove 78 through the sliding plate 710, a spring 711 is connected between the inner wall of the mounting groove 78 and the sliding plate 710, one side of the mounting plate 79 is fixedly connected with a wedge block 712, the inclined plane of the wedge block 712 corresponds to the inclined plane of the wedge block 75, the other side of the mounting plate 79 is fixedly connected with a V-shaped abutment block 713, a part of the V-shaped abutment block 713 is arranged outside of the 'return' shaped partition plate 71 through the communication holes 77 and is contacted with the lithium iron phosphate battery 2.

Referring to fig. 1-2, the heat dissipation assembly 6 includes an installation cylinder 61 fixedly connected to the surface of the upper cover 3, an inner cavity of the installation cylinder 61 is communicated with two heat dissipation holes 72 at the middle of the top end of the baffle 71 shaped like a Chinese character 'hui', and a fan body 62 is installed in the inner cavity of the installation cylinder 61, so that the efficiency of dissipating heat from the inside of the assembly box 1 is improved by the fan body 62.

The working principle is as follows: when a worker places a plurality of lithium iron phosphate batteries 2 into an assembly box 1 for assembly, the inner cavity of the assembly box 1 is divided into a plurality of cavities by a plurality of rectangular-shaped partition boards 71 for placing the lithium iron phosphate batteries 2, after placement, the movable board strip 74 can be manually pressed to drive the wedge block I75 to move downwards, so that after the wedge block I75 is contacted with the wedge block II 712, the two wedge blocks 712 contacted with the wedge block I75 move relatively, finally, the mounting plate 79 drives the V-shaped abutting block 713 to move towards the outside of the rectangular-shaped partition boards 71 and abut against the surface of the lithium iron phosphate batteries 2, then, the upper cover 3 is connected with the assembly box 1 through screws, if the lithium iron phosphate batteries 2 bulge the V-shaped abutting block 713 to return into the built-in groove 714, the movable board strip 74 moves upwards for a certain distance under the action of the wedge blocks II 712 and the rectangular-shaped partition boards 75, so that the worker can conveniently judge whether the rectangular-shaped partition boards 2 bulge inside the rectangular-shaped partition boards 71 by whether the movable board strip 74 rises or not in detail, timely replace the bulged lithium iron phosphate batteries 2, the rectangular-shaped partition boards 2, the hot air blower is used by a plurality of lithium iron phosphate batteries 1, and the working procedure of the lithium iron phosphate batteries 1 is described by the worker in the conventional technology that the conventional fan 1 is not used for assembling process, and the conventional fan for installing the rectangular-shaped lithium iron phosphate batteries 1, and the conventional fan device is described in the conventional lithium iron phosphate batteries 61, and the conventional lithium iron phosphate batteries 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium iron phosphate battery package assembly, includes equipment case (1) and a plurality of lithium iron phosphate battery (2), its characterized in that: it is a plurality of the inside of equipment case (1) is arranged in to lithium iron phosphate battery (2), there is upper cover (3) at the top of equipment case (1) through screw connection, a plurality of round holes (4) have been seted up to upper cover (3) both sides on surface, a plurality of through-holes (5) have been seted up at the middle part on upper cover (3) surface, and are a plurality of round hole (4) and a plurality of through-hole (5) crisscross distribution are a plurality of the top of through-hole (5) all is provided with radiator unit (6), and is a plurality of all be provided with between lithium iron phosphate battery (2) baffle subassembly (7).

2. The lithium iron phosphate battery assembly structure of claim 1, wherein: the heat dissipation assembly (6) comprises an installation cylinder (61) fixedly connected with the surface of the upper cover (3), and a fan body (62) is installed in the inner cavity of the installation cylinder (61).

3. The lithium iron phosphate battery assembly structure of claim 1, wherein: baffle subassembly (7) include "return" font baffle (71) with equipment case (1) inner wall fixed connection, two pairs of louvres (72) have been seted up at the middle part on "return" font baffle (71) top, perpendicular groove (73) have all been seted up to the both sides on "return" font baffle (71) top.

4. The lithium iron phosphate battery assembly structure of claim 3, wherein: set up built-in groove (714) in one side of erecting groove (73) inner wall, the inner chamber sliding connection who erects groove (73) has activity lath (74), the top and the equal fixedly connected with wedge (75) in bottom of activity lath (74) a lateral wall, the top fixedly connected with pull block (76) of activity lath (74).

5. The lithium iron phosphate battery assembly structure of claim 4, wherein: intercommunicating pore (77) have all been seted up with the bottom at the top of built-in groove (714) inner wall both sides, a pair of mounting groove (78) have all been seted up with the bottom at the top of built-in groove (714) opposite side inner wall, one side of mounting groove (78) is provided with mounting panel (79).

6. The lithium iron phosphate battery assembly structure of claim 5, wherein: a side wall fixedly connected with gleitbretter (710) of mounting panel (79), mounting panel (79) are through gleitbretter (710) and the inner chamber sliding connection of mounting groove (78), be connected with spring (711) between the inner wall of mounting groove (78) and gleitbretter (710).

7. The lithium iron phosphate battery assembly structure of claim 5, wherein: a side fixedly connected with wedge block two (712) of mounting panel (79), another side fixedly connected with V-arrangement of mounting panel (79) supports piece (713), the V-arrangement supports the outside that partly arrange "back" font baffle (71) through intercommunicating pore (77) of piece (713) to contact with lithium iron phosphate battery (2).