Splicing type lithium battery protection plate

Abstract

The utility model relates to the technical field of lithium battery protection plates, and discloses a splicable lithium battery protection plate which comprises a protection plate body and a mounting plate, locking holes are formed in four corners of the protection plate body and four corners of the mounting plate, the protection plate body and the mounting plate are fixedly connected through locking bolts, and splicing assemblies are arranged on the left side and the right side of the mounting plate. The splicing assembly comprises limiting insertion plates fixedly installed at the upper end and the lower end of the right side surface of the installation plate, the protection plate body and the installation plate are stably connected through cooperation of locking holes in the four corners and locking bolts, disassembly and assembly are convenient, and when the installation plate is spliced, small strong magnets on the two sides generate pre-adsorption force to assist positioning; the first positioning hole and the second positioning hole are fixed through the connecting piece and matched with the I-shaped mounting block to be clamped with the semi-I-shaped groove, transverse displacement is effectively prevented, the spring column pushes the positioning plate, the clamping column is automatically clamped into the clamping groove under the action of the telescopic spring, longitudinal locking is completed, and rapid lossless splicing of the protection plate body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery protection board technical field, especially in kind of splicing formula lithium battery protection board. BACKGROUND

[0002] Lithium battery protection board is usually composed of control chip, MOS pipe, resistance, capacitor and other electronic components, realizes overcharge protection, overdischarge protection, overcurrent protection, short circuit protection and other basic functions, and the splicing formula lithium battery protection board is an electronic device for protecting lithium battery pack safe and stable operation, which has the characteristics of splicing, can flexibly combine multiple protection board modules according to different lithium battery pack specifications and application requirements, to realize the effective protection of lithium battery pack with different capacity and different series-parallel connection mode, and the lithium battery protection board with splicing function focuses on the splicing characteristics of the protection board itself, which can be multiple same specifications of the protection board spliced together to form a more complex or more specific function protection system.

[0003] Because the size of lithium battery is different, when installing the lithium battery, the protection board with the same specification as the lithium battery needs to be used, but the existing lithium battery protection board is usually independent, cannot be adapted to the lithium battery by combining the existing protection board, and the applicability of the battery protection board is reduced, therefore, the splicing formula lithium battery protection board is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of splicing formula lithium battery protection board to solve the problem that the size of lithium battery is different, when installing the lithium battery, the protection board with the same specification as the lithium battery needs to be used, but the existing lithium battery protection board is usually independent, cannot be adapted to the lithium battery by combining the existing protection board, and the applicability of the battery protection board is reduced.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of splicing formula lithium battery protection board, including protection board body and mounting plate, locking hole is set up in the four corners of protection board body and mounting plate and is fixedly connected by locking bolt, the left and right sides of mounting plate are equipped with splicing assembly, the splicing assembly includes the limiting plugboard fixedly installed on the upper and lower ends of the right side surface of mounting plate, small strong magnet is fixedly installed on the upper and lower ends of the left and right sides of mounting plate, and straight slot is set up in the middle section of the left and right side surfaces of mounting plate, the positioning plate is fixedly connected in the straight slot of right side by spring post, the inside of the straight slot of left side is equipped with clamping groove in the upper and lower ends, and the positioning plate is connected with telescopic spring and clamping column by installation slot.

[0006] As a preferred scheme, the left upper and lower ends of the mounting plate are provided with limiting insertion grooves matched with limiting insertion plates, and the rear side of the mounting plate and at the two groups of limiting insertion grooves and limiting insertion plates are provided with a half I-shaped groove, and a I-shaped mounting block is clamped in the half I-shaped groove, and the surfaces of the half I-shaped groove and the limiting insertion plate are respectively provided with a second positioning hole and a first positioning hole.

[0007] As a preferred scheme, the spring columns are provided with multiple groups and are fixedly installed on the inner walls of the right straight grooves at equal distances, the positioning plate is fixedly installed at one end of the multiple groups of spring columns, the mounting grooves are provided with two groups and are respectively formed at the upper and lower ends of the positioning plate, the extension springs are provided with two groups and are respectively fixedly installed in the two groups of mounting grooves, and the clamping columns are provided with two groups and are respectively fixedly installed at one end of the two groups of extension springs.

[0008] As a preferred scheme, the top of the clamping column is provided with an inclined edge, and the clamping column is matched with the clamping groove.

[0009] As a preferred scheme, the rubber buffer pad is fixedly installed between the protection plate body and the mounting plate.

[0010] As a preferred scheme, the heat dissipation fin group is fixedly installed on the surface of the side of the mounting plate away from the protection plate body.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. By setting up the splicing assembly, the protection plate body and the mounting plate are stably connected through the cooperation of the four corner locking holes and the locking bolts, are convenient to disassemble and assemble, when the mounting plate is spliced, the two sides of the small strong magnets generate a pre-adsorption force to assist positioning, the limiting insertion plate is inserted into the limiting insertion groove, the first positioning hole and the second positioning hole are fixed through the connecting piece, the I-shaped mounting block and the half I-shaped groove are clamped, the transverse displacement is effectively prevented, the spring column pushes the positioning plate, the clamping column is automatically clamped into the clamping groove under the action of the extension spring, the longitudinal locking is completed, and the protection plate body is quickly and non-destructively spliced.

[0013] 2. By setting up the rubber buffer pad and the heat dissipation fin group, the rubber buffer pad is arranged between the protection plate body and the mounting plate, effectively buffers external vibration and impact force through elastic deformation, significantly reduces the risk of internal electronic element loosening, falling or damage, provides reliable protection for the lithium battery, the heat dissipation fin group is installed on the outer side of the mounting plate, greatly increases the heat dissipation surface area, accelerates heat conduction and convection, timely dissipates the heat generated by the protection plate in the charging and discharging process of the lithium battery, avoids performance attenuation caused by temperature rise, and ensures the safe and stable operation of the lithium battery. DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 is a back three-dimensional structure schematic view of the utility model;

[0016] Figure 3 is a splicing assembly structure schematic view one of the utility model;

[0017] Figure 4 is a rear view cross-section structure schematic view of the utility model;

[0018] Figure 5 is Figure 4 is an enlarged structure schematic view at middle A;

[0019] Figure 6 is a splicing assembly structure schematic view two of the utility model.

[0020] In the figure: 1, the protection plate body; 2, the mounting plate; 3, rubber buffer pad; 4, locking hole; 5, splicing assembly; 6, heat dissipation fin group; 501, small strong magnet; 502, limiting plugboard; 503, first positioning hole; 504, straight slot; 505, positioning plate; 506, spring column; 507, mounting groove; 508, extension spring; 509, clamping column; 510, clamping groove; 511, I-shaped mounting block; 512, limiting slot; 513, second positioning hole; 514, half I-shaped slot. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.

[0022] Please refer to the drawings of the embodiments in the utility model Figure 1 - the drawings of the embodiments in the utility model Figure 6The utility model provides a splicing type lithium battery protection board, including protection board body 1 and mounting plate 2, and the four corners of protection board body 1 and mounting plate 2 are all seted up locking hole 4 and are fixedly connected through locking bolt, and the left and right sides of mounting plate 2 are equipped with splicing assembly 5, splicing assembly 5 includes the spacing plugboard 502 of fixed mounting on the upper and lower ends of the right side surface of mounting plate 2, and the left and right sides of mounting plate 2 are all fixedly installed with small strong magnet 501, and the left and right side surfaces of mounting plate 2 are all seted up straight groove 504 in the middle section, and the right side straight groove 504 is fixedly connected with positioning plate 505 through spring post 506, and the inside upper and lower ends of left side straight groove 504 are all seted up clamping groove 510, and positioning plate 505 is connected with telescopic spring 508 and clamping post 509 through mounting groove 507, and the locking hole 4 of the four corners of protection board body 1 and mounting plate 2 cooperates locking bolt, can firmly connect both, ensure that protection board body 1 and mounting plate 2 do not occur relative displacement during the use of lithium battery, simultaneously, this connection mode is convenient to disassemble and assemble, when needing to maintain, replace parts or adjust the installation position, can fast operation, improve work efficiency, and small strong magnet 501 can provide the preliminary adsorption force when splicing, and it is convenient and fast positioning.

[0023] The left upper and lower ends of mounting plate 2 are all seted up spacing slot 512 that is adapted to spacing plugboard 502, and the rear side of mounting plate 2 is seted up half I -shaped groove 514 at two groups of spacing slot 512 and spacing plugboard 502, and half I -shaped groove 514 is clamped with I -shaped mounting block 511 in the inside, and the surface of half I -shaped groove 514 and spacing plugboard 502 is seted up second positioning hole 513 and first positioning hole 503 respectively, and the clamping structure of half I -shaped groove 514 and I -shaped mounting block 511 further enhances the stability after splicing, prevents mounting plate 2 from shaking at the splicing.

[0024] Spring post 506 is seted up multiple groups and is fixedly installed on the inner wall of right side straight groove 504 at equal distance, positioning plate 505 is fixedly installed at one end of multiple groups of spring post 506, mounting groove 507 is seted up two groups and is seted up at the upper and lower ends of positioning plate 505 respectively, telescopic spring 508 is seted up two groups and is fixedly installed in the inside of two groups of mounting groove 507 respectively, and clamping post 509 is seted up two groups and is fixedly installed at one end of two groups of telescopic spring 508, and this structure design makes clamping post 509 be able to flexibly stretch and retract under the action of telescopic spring 508, to realize the accurate clamping with clamping groove 510, and it is convenient for the splicing of mounting plate 2.

[0025] The top of two groups of clamping post 509 is all seted up bevel, and clamping post 509 is adapted to clamping groove 510, and the bevel design of the top of clamping post 509 is convenient for sliding into clamping groove 510 during splicing, realizes the positioning and installation of quick and accurate.

[0026] Specifically, the protection plate body 1 is fixed with the mounting plate 2 by locking bolts, the small strong magnets 501 arranged on the left and right sides of the mounting plate 2 can generate suction force in the initial stage of splicing, so that the two mounting plates 2 are preliminarily adsorbed and positioned, facilitating subsequent accurate splicing, the limiting insertion plate 502 is inserted into the limiting insertion slot 512, and the first positioning hole 503 and the second positioning hole 513 are fixed by using connecting pieces, and then the I-shaped mounting block 511 is clamped into the semi-I-shaped groove 514, so as to form a stable physical connection structure, prevent transverse displacement of the splicing part, the spring column 506 pushes the positioning plate 505, so that the clamping column 509 is automatically clamped into the clamping groove 510 under the action of the telescopic spring 508, longitudinal positioning and locking are completed, separation of the splicing part upward and downward is avoided, so that the splicing of the mounting plate 2 is completed, the rapid splicing of the protection plate body 1 is realized, and the protection plate body 1 is not damaged.

[0027] Please refer to the attached Figure 1 - attached Figure 2 The rubber buffer pad 3 is fixedly installed between the protection plate body 1 and the mounting plate 2, has good buffering performance, can effectively absorb external impact force, reduces damage to the protection plate body 1 caused by vibration, and prolongs the service life of the protection plate body 1.

[0028] The heat dissipation fin group 6 is fixedly installed on the surface of the mounting plate 2 away from the protection plate body 1, can increase the heat dissipation area, accelerate heat dissipation, effectively reduce the temperature of the lithium battery protection plate body 1 in the working process, and avoid affecting the performance and service life of the protection plate body 1 due to overheating.

[0029] Specifically, the rubber buffer pad 3 between the protection plate body 1 and the mounting plate 2 can effectively absorb external vibration and impact force, reduce damage to internal electronic elements of the lithium battery protection plate body 1 caused by vibration, reduce the risk of element loosening, falling or damage, provide more reliable protection for the lithium battery, the heat dissipation fin group 6 increases the heat dissipation area and accelerates the heat dissipation speed, in the lithium battery charging and discharging process, the protection plate body 1 will generate heat, the heat dissipation fin group 6 can dissipate heat to the air in time, prevent the performance of the protection plate from being reduced due to high temperature, and ensure the safe and stable operation of the lithium battery.

[0030] The utility model discloses a working principle: the utility model discloses a kind of splicing type lithium battery protection plate, when splicing protection plate body 1, first pass through the locking hole 4 cooperation locking bolt of protection plate body 1 and mounting plate 2 four corners place, the fixation of both is completed, when splicing mounting plate 2, its left and right sides Small strong magnet 501 generates suction, realize the preliminary adsorption positioning of two mounting plate 2, subsequently limit inserting plate 502 is inserted into limit insertion slot 512, using first positioning hole 503 and second positioning hole 513 use connecting piece fixed, and cooperation I-shaped mounting block 511 is inserted into half I-shaped groove 514, prevent splicing place transverse displacement, simultaneously spring post 506 pushes positioning plate 505, make clamping column 509 under the action of telescopic spring 508 Automatic clamping slot 510 is completed, longitudinal positioning and locking, avoid separation, realize the quick splicing of protection plate body 1 and not cause damage, in lithium battery operation process, the rubber buffer pad 3 between protection plate body 1 and mounting plate 2 absorbs external vibration and impact force, reduces internal electronic component damage risk, and the heat dissipation fin group 6 on mounting plate 2 is then through increasing heat dissipation area, promptly dissipate the heat generated in the protection plate body 1 of lithium battery charge-discharge process, prevent protection plate body 1 because of high temperature performance decline, guarantee lithium battery safe and stable operation, thus, entire process ends.

[0031] Finally, it should be noted that: the above only for preferred embodiment of the utility model has described, and is not used to limit the utility model, although it is detailed to the utility model with reference to preceding embodiment is described, for the person skilled in the art, it still can modify the technical scheme recorded in preceding each embodiment, or equivalent replacement to part technical feature, any modification, equivalent replacement, improvement etc. that is done within the spirit and principles of the utility model, should include in the protection scope of the utility model.

Claims

1. A modular lithium battery protection board, comprising a protection board body (1) and a mounting plate (2), characterized in that: Locking holes (4) are provided at the four corners of the protective plate body (1) and the mounting plate (2) and are fixedly connected by locking bolts. The mounting plate (2) is provided with splicing components (5) on the left and right sides. The splicing components (5) include limiting inserts (502) fixedly installed on the upper and lower ends of the right side surface of the mounting plate (2). Small strong magnets (501) are fixedly installed on the upper and lower ends of the left and right sides of the mounting plate (2). Straight grooves (504) are provided in the middle section of the left and right side surfaces of the mounting plate (2). A positioning plate (505) is fixedly connected in the straight groove (504) on the right side by a spring post (506). A slot (510) is provided in the upper and lower ends of the straight groove (504) on the left side. A telescopic spring (508) and a slot (509) are connected in the positioning plate (505) through the mounting groove (507).

2. The modular lithium battery protection board according to claim 1, characterized in that: The mounting plate (2) has a limiting slot (512) adapted to the limiting insert plate (502) at both the upper and lower ends of the left side. A semi-I-shaped groove (514) is provided on the rear side of the mounting plate (2) at the two sets of limiting slots (512) and the limiting insert plate (502). An I-shaped mounting block (511) is snapped into the interior of the semi-I-shaped groove (514). A second positioning hole (513) and a first positioning hole (503) are respectively provided on the surface of the semi-I-shaped groove (514) and the limiting insert plate (502).

3. The modular lithium battery protection board according to claim 1, characterized in that: Multiple sets of spring posts (506) are fixedly installed at equal intervals on the inner wall of the right straight groove (504). The positioning plate (505) is fixedly installed at one end of the multiple sets of spring posts (506). Two sets of mounting grooves (507) are provided and are respectively opened at the upper and lower ends of the positioning plate (505). Two sets of telescopic springs (508) are provided and are respectively fixedly installed inside the two sets of mounting grooves (507). Two sets of locking posts (509) are provided and are respectively fixedly installed at one end of the two sets of telescopic springs (508).

4. The modular lithium battery protection board according to claim 1, characterized in that: Both sets of the card posts (509) have beveled edges at the top, and the card posts (509) are adapted to the card slots (510).

5. A modular lithium battery protection board according to claim 1, characterized in that: A rubber buffer pad (3) is fixedly installed between the protective plate body (1) and the mounting plate (2).

6. A modular lithium battery protection board according to claim 1, characterized in that: The mounting plate (2) has a heat dissipation fin assembly (6) fixedly installed on the side surface away from the protective plate body (1).

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