CN210283967U

CN210283967U - Battery management device

Info

Publication number: CN210283967U
Application number: CN201921118502.9U
Authority: CN
Inventors: 刘宇; 张慧明; 白文豪
Original assignee: Shenzhen Yingmeixin Electronics Co ltd
Current assignee: Shenzhen Yingmeixin Electronics Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-10
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a battery management device belongs to new forms of energy technical field, the power distribution box comprises a box body, the concave standing groove that is equipped with on the box, equidistant two division boards, two have been placed to the standing groove in the standing groove the division board is separated the standing groove for three district of placing, every the battery has all been placed in the district of placing, it has the closing cap that is used for with standing groove confined to articulate on the box, two direction base poles, every are installed to the symmetry in the standing groove equal symmetry runs through and sets up two perforation that supply the direction base pole to run through, every on the division board equal threaded connection in top of direction base pole has the screw rod, it has the BMS safety plate to peg graft in the standing groove, vertical run through on the BMS safety plate sets up the trompil that supplies the screw rod to alternate, every the top of screw rod all passes. The utility model provides a current battery management device inner structure fixed dismouting difficult problem, have the strong practical convenient characteristics of flexibility.

Description

Battery management device

Technical Field

The utility model relates to a new forms of energy technical field especially relates to a battery management device.

Background

With the development and application of renewable energy sources on the global scale, the electric motorization of automobiles is currently trended on the global scale. In China, almost all major automobile manufacturers invest a great deal of research and development cost to develop new energy automobiles. The battery management device is used as a core component for protecting and managing the battery, and is used as a bridge for communicating the battery with a vehicle management system and a driver, so that the safe and reliable use of the battery is ensured, the capacity of the battery is fully exerted, and the service life of the battery is prolonged.

The internal structure of the conventional battery management device is fixed, the battery management device is difficult to disassemble and assemble and has poor flexibility, so that the BMS safety board in the device is difficult to disassemble and replace, the maintenance efficiency of the device is influenced, and the battery management device is urgently needed to be designed.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art, provide a battery management device.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a battery management device, which comprises a box body, wherein a placing groove is concavely arranged on the box body, two partition plates are arranged in the placing groove at equal intervals, the two partition plates divide the placing groove into three placing areas, a battery is arranged in each placing area, a sealing cover for sealing the placing groove is hinged on the box body, two guide base rods are symmetrically arranged in the placing groove, two through holes for the guide base rods to penetrate through are symmetrically arranged on each partition plate, the top end of each guide base rod is in threaded connection with a screw rod, a BMS safety plate is inserted in the placing groove, a hole for the screw rod to penetrate through is vertically arranged on the BMS safety plate in a penetrating manner, the top end of each screw rod is in threaded connection with a positioning nut through the hole, the positioning nut is tightly attached to the BMS safety plate, and a limit ring is fixedly arranged on each screw rod, the BMS safety plate is positioned between the positioning nut and the limiting ring.

Preferably, every the equal fixed mounting in both ends of direction base lever has the go-between, the symmetry is provided with four mounting grooves that are used for the go-between of pegging graft on the inner wall of standing groove, every equal fixed mounting has the collar in the mounting groove, every all be provided with the spring in the mounting groove, the one end integrated into one piece of spring has the couple that articulates with the go-between, the couple is "L" shape structure, the other end integrated into one piece of spring has the pothook with the collar joint, the pothook is "U" shape structure.

Preferably, each partition plate is of an I-shaped structure, and a plurality of vent holes are formed in each partition plate in a penetrating mode.

Preferably, the bottom of each division board is symmetrical integrated into one piece and is provided with two inserts, the bottom symmetry of standing groove is concavely provided with a plurality of slots that are used for inserting the inserts.

Preferably, two radiating holes communicated with the placing groove are symmetrically formed in the box body, and a metal radiating net is fixedly mounted in each radiating hole.

Preferably, the placing region is made of an insulating material.

Adopt above-mentioned scheme, the utility model provides a battery management device has following beneficial effect:

1. the position adjustment of the two partition plates is facilitated through the guide base rod, the through holes, the inserting blocks and the inserting grooves, and the positions of the partition plates can be adjusted according to needs, so that the placing spaces of the three placing areas can be adjusted, and the adjusting process is simple and convenient;

2. the BMS safety plate is installed in the placing groove through the guide base rod, the screw rods, the limiting rings and the positioning nuts, the BMS safety plate can be directly taken out of the placing groove only by screwing down the four positioning nuts arranged at the top of the BMS safety plate, and the assembly and disassembly are convenient;

3. the installation of the guide base rod in the placing groove is realized through the installation ring, the clamping hook, the spring, the hook and the connecting ring, and the guide base rod has the characteristics of stable installation and convenience in disassembly and assembly, so that the whole device is strong in flexibility, practical and convenient.

Drawings

Fig. 1 is a schematic structural diagram of a battery management device according to the present invention;

fig. 2 is a schematic structural view of a BMS security plate of the battery management apparatus of the present invention;

fig. 3 is an enlarged view of a structure of fig. 1.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-3, the utility model provides a battery management device, which comprises a box body 1, wherein a placing groove is concavely arranged on the box body 1, two partition plates 7 are arranged in the placing groove at equal intervals, the two partition plates 7 divide the placing groove into three placing areas 3, a battery 4 is arranged in each placing area 3, a sealing cover for sealing the placing groove is hinged on the box body 1, two guide base rods 5 are symmetrically arranged in the placing groove, two through holes 6 for the guide base rods 5 to penetrate through are symmetrically arranged on each partition plate 7, the top end of each guide base rod 5 is in threaded connection with a screw rod 10, a BMS safety plate 13 is inserted in the placing groove, a hole for the screw rod 10 to penetrate through is vertically arranged on the BMS safety plate 13, the top end of each screw rod 10 is in threaded connection with a positioning nut 12 through the hole, the positioning nut 12 is tightly attached to the BMS safety plate 13, a limit ring 11 is fixedly arranged on each screw rod 10, the BMS safety plate 13 is located between the positioning nut 12 and the stopper ring 11.

It should be noted that, the closing cap, that is, the case lid structure in the prior art, and the installation method and the installation position thereof belong to the common knowledge of those skilled in the art, and are not described again, two threaded blind holes in threaded connection with the screws 10 are concavely provided on the guide base rod 5, after the battery is installed in the corresponding placement area 3, four openings on the BMS safety plate 13 are aligned to the four screws 10, and the BMS safety plate 13 is inserted into the placement groove until the BMS safety plate 13 abuts against the four limit rings 11, at this time, the four screws 10 are all exposed to a certain length, the installation of the BMS safety plate 13 can be realized by screwing the positioning nuts 12 into the tops of the screws 10 until the positioning nuts abut against the BMS safety plate 13, and when the battery is disassembled, only the four positioning nuts 12 need to be screwed down, and the disassembly and assembly;

the two ends of the guide base rod 5 are fixedly provided with connecting rings 15, the inner wall of the placing groove is symmetrically provided with four mounting grooves 16 for inserting the connecting rings 15, each mounting groove 16 is internally and fixedly provided with a mounting ring 19, each mounting groove 16 is internally provided with a spring 18, one end of each spring 18 is integrally formed with a hook 14 hooked with the connecting ring 15, each hook 14 is of an L-shaped structure, the other end of each spring 18 is integrally formed with a hook 17 clamped with the mounting ring 19, and each hook 17 is of a U-shaped structure;

it should be noted that the hook 17 is a closed "U" shaped ring, which cannot be separated from the mounting ring 19, so as to achieve stable installation of the spring 18 and the hook 17 on the mounting ring 19, and the hook 14 is an "L" shaped structure, which has a gap separated from the connection ring 15, when installing the guide base rod 5, the connection ring 15 at one end of the guide base rod 5 is firstly sleeved on the hook 14, the spring 18 is compressed to make the guide base rod 5 inserted into the mounting groove 16 for a certain distance, at this time, the other end of the guide base rod 5 is pressed to correspond to the other mounting groove 16, and the other connection ring 15 is controlled to be sleeved on the corresponding hook 14, so as to achieve installation of the guide base rod 5, when disassembling, only the spring 18 at one side needs to be stretched to make the connection ring 15 and the hook 14 at the one side exposed, at this time, unhooking operation is performed, and then the other side is unhooked, so as to achieve, the disassembly and assembly processes are simple and convenient;

each partition plate 7 is of an I-shaped structure, and a plurality of vent holes are formed in each partition plate 7 in a penetrating mode;

it should be noted that the thickness of the partition plate 7 near the middle position is relatively thin, so that on one hand, the use of materials can be saved, and on the other hand, the installation space of the battery 4 can be enlarged, thereby facilitating the dismounting operation of workers;

the bottom of each partition plate 7 is symmetrically and integrally formed with two insertion blocks 8, and the bottom of the placing groove is symmetrically and concavely provided with a plurality of slots 9 for inserting the insertion blocks 8;

it should be noted that, referring to fig. 1 of the specification, the front and rear sides of the partition plate 7 are both abutted against the inner wall of the placement groove, the through hole 6 is a rectangular opening, the height of the rectangular opening is much greater than the outer diameter of the guide base rod 5, the partition plate 7 can slide downward along the guide base rod 5 for a certain distance through the through hole 6, so that the two insertion blocks 8 at the bottom of the partition plate 7 are inserted into the insertion slots 9 to fix the position of the partition plate 7, when the position of the partition plate 7 needs to be adjusted, the partition plate 7 can be pulled upward until the insertion blocks 8 are separated from the insertion slots 9, at this time, the partition plate 7 can slide along the guide base rod 5, thereby adjusting the distance between the two partition plates 7 and between the partition plate 7 and the inner wall of the placement groove is achieved, thereby the;

wherein, two radiating holes communicated with the placing groove are symmetrically formed in the box body 1, and a metal radiating net 2 is fixedly arranged in each radiating hole;

it should be noted that the metal heat dissipation net 2 in the heat dissipation port realizes air circulation between the inside of the placement groove and the outside, thereby realizing heat exchange of cold and hot air and being beneficial to ensuring heat dissipation of the battery management device;

wherein, the placing region 3 is made of insulating materials;

it should be noted that, the placing region 3 is made of an insulating material, which can improve the safety performance of the battery management device, and the material of the placing region 3 is preferably polyethylene, which has the characteristics of non-toxicity and safety.

In the utility model, when a user uses the device, the two guide base rods 5 sequentially penetrate through the corresponding through holes 6 on the two partition plates 7, then the two guide base rods 5 and the two partition plates 7 are placed into the placing groove together, the connecting ring 15 at one end of the guide base rod 5 is firstly sleeved on the hook 14, the guide base rod 5 is inserted into the mounting groove 16 for a certain distance by the compression spring 18, at the moment, the other end of the guide base rod 5 is pressed to correspond to the other mounting groove 16, and the other connecting ring 15 is controlled to be sleeved on the corresponding hook 14, so that the guide base rod 5 is installed, and then the battery 4 is installed in the corresponding placing area 3;

the partition plates 7 can slide along the guide base rods 5, so that the distance between the two partition plates 7 and the distance between the partition plates 7 and the inner wall of the placing groove can be adjusted, and the two partition plates 7 are pressed to enable the two insertion blocks 8 at the bottoms of the partition plates 7 to be inserted into the corresponding insertion grooves 9 to fix the positions;

in the screw thread blind hole that corresponds with screw rod 10 screw in, realize the installation of screw rod 10 on direction base rod 5, aim at four screw rods 10 and insert BMS safety plate 13 with four trompils on BMS safety plate 13 in the standing groove, offset with four spacing rings 11 until BMS safety plate 13, four screw rods 10 all expose certain length this moment, through the top screw in set nut 12 at screw rod 10 until can realize the installation of BMS safety plate 13 with BMS safety plate 13 counterbalance, during the dismantlement, only need with four set nut 12 screw down can, easy dismounting.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The battery management device comprises a box body (1), wherein a placing groove is concavely arranged on the box body (1), two partition plates (7) are equidistantly placed in the placing groove, the two partition plates (7) divide the placing groove into three placing areas (3), each placing area (3) is internally provided with a battery (4), the box body (1) is hinged with a closed cover for closing the placing groove, the battery management device is characterized in that two guide base rods (5) are symmetrically installed in the placing groove, each partition plate (7) is symmetrically provided with two through holes (6) for the guide base rods (5) to penetrate through, the top end of each guide base rod (5) is in threaded connection with a screw rod (10), a safety plate (13) is inserted in the placing groove, and a hole for the screw rod (10) to penetrate through is vertically formed in the safety plate (13), every the top of screw rod (10) all passes trompil threaded connection and has set nut (12), set nut (12) and BMS safety plate (13) paste tightly, every equal fixed mounting has spacing ring (11) on screw rod (10), BMS safety plate (13) are located between set nut (12) and spacing ring (11).

2. The battery management device according to claim 1, wherein the two ends of each guide base rod (5) are fixedly provided with a connecting ring (15), the inner wall of the placement groove is symmetrically provided with four mounting grooves (16) for inserting the connecting rings (15), each mounting groove (16) is internally and fixedly provided with a mounting ring (19), each mounting groove (16) is internally and fixedly provided with a spring (18), one end of each spring (18) is integrally formed with a hook (14) hooked with the connecting ring (15), the hook (14) is of an L-shaped structure, the other end of each spring (18) is integrally formed with a hook (17) clamped with the mounting ring (19), and the hook (17) is of a U-shaped structure.

3. The battery management device according to claim 1, wherein each of the partitions (7) is of an I-shaped structure, and a plurality of vent holes are formed through each of the partitions (7).

4. The battery management device according to claim 1, wherein two insertion blocks (8) are symmetrically and integrally formed at the bottom of each partition plate (7), and a plurality of insertion grooves (9) for inserting the insertion blocks (8) are symmetrically and concavely formed at the bottom of the placing groove.

5. The battery management device according to claim 1, wherein the box body (1) is symmetrically provided with two heat dissipation openings communicated with the placement groove, and a metal heat dissipation net (2) is fixedly mounted in each heat dissipation opening.

6. A battery management device according to claim 1, wherein the placement area (3) is made of an insulating material.