CN220915524U - BMS battery management device - Google Patents

Abstract

The utility model relates to the technical field of BMS battery management, and discloses a BMS battery management device, which comprises a bottom shell, a main board and an upper shell, wherein a storage cavity is formed in the upper surface of the bottom shell, a plurality of inner rods are fixedly connected to the bottom surface of the storage cavity, a plurality of outer rods are fixedly connected to the bottom surface of the upper shell, a plurality of positioning holes are formed in the upper surface of the main board in a penetrating mode, the inner rods penetrate through the positioning holes respectively and are in sliding connection with the inner walls of the outer rods, and one ends, far away from the upper shell, of the outer rods are propped against the upper surface of the main board. This kind of BMS battery management device through increasing the interior pole on the drain pan, the bottom surface of epitheca increases the outer pole, when beginning the equipment, aligns the interior pole with the mainboard, then slides down along the outer wall of interior pole, then aligns the interior pole with the outer pole, presses down equally, along with the interior pole, compresses tightly the mainboard that is located the centre simultaneously from upper and lower both sides, compresses tightly simultaneously, also connects between drain pan and the epitheca and accomplish, and when need overhauling the mainboard, only need upwards pull out the epitheca can, swiftly convenient.

Description

BMS battery management device

Technical Field

The utility model relates to the technical field of BMS battery management, in particular to a BMS battery management device.

Background

The BMS battery system is commonly called as a battery nurse or a battery manager, and is mainly used for intelligently managing and maintaining each battery unit, preventing the battery from being overcharged and overdischarged, prolonging the service life of the battery, and monitoring the state of the battery.

When the existing BMS battery management device is assembled, electronic components such as a main board and the like are connected and fixed with a bottom shell by bolts, then the upper shell cover is covered with the bottom shell, the upper shell cover is connected and fixed by bolts, finally the whole BMS battery management device is connected with an electric cabinet, a case and the like by bolts, and the installation mode is complicated because of too many bolts, and after the BMS battery management device is installed with the case, motor components such as the main board and the like inside the BMS battery management device are damaged, the whole BMS battery management device needs to be detached during maintenance, and the installation mode is relatively troublesome.

The retrieved issued patent CN217691298U discloses a BMS lithium battery management module for industrial energy storage, comprising: the lithium battery management module comprises a lithium battery management module body, wherein an interface groove is formed in the side edge of the lithium battery management module body, and a data acquisition interface is arranged in the interface groove; the opening position of the interface groove is symmetrically and rotatably connected with a first sealing assembly and a second sealing assembly. According to the utility model, when the data line is not connected, the first sealing assembly and the second sealing assembly are elastically butted to realize the blocking of the opening of the interface groove, so that dust is prevented from entering the interface groove, and when the data line connector is plugged into the interface groove and connected with the data acquisition interface, the first sealing assembly and the second sealing assembly are driven to rotate and open at the moment, the data line is automatically clamped through the first sealing assembly and the second sealing assembly, meanwhile, the blocking of the interface groove is realized, the stability of the connection of the data line is improved, and dust is prevented from entering the interface groove.

The above-mentioned current BMS lithium battery management module, although improving the stability that the data line is connected, prevent that the dust from getting into wherein, nevertheless still there is the problem of being inconvenient for installation and separation drain pan, mainboard and epitheca, it is comparatively inconvenient.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the BMS battery management device, which is convenient and fast to fix by only putting the inner rod and the outer rod in sequence and then aligning and inserting the inner rod and the outer rod when a user puts the bottom shell, the main board and the upper shell.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a BMS battery management device, includes drain pan, mainboard and epitheca, and accomodate the chamber has been seted up to the upper surface of drain pan, accomodates the bottom surface fixedly connected with of chamber a plurality of interior poles, and the bottom surface fixedly connected with of epitheca a plurality of outer poles, and a plurality of locating holes have been seted up in the upper surface run through of mainboard, and a plurality of interior poles run through a plurality of locating holes respectively and with the inner wall sliding connection of outer pole, and a plurality of outer poles are kept away from the one end of epitheca and are offset with the upper surface of mainboard.

Further, limiting blocks are fixedly connected to two sides of the bottom shell, and one adjacent side of each limiting block abuts against two sides of the main board respectively.

Further, clamping grooves are formed in one sides, close to the upper shell, of the two limiting blocks, two clamping blocks which are symmetrically arranged are fixedly connected to one sides, close to the bottom shell, of the upper shell, and the two clamping blocks are respectively clamped with the two clamping grooves.

Further, one side of the two clamping grooves, which are far away from each other, penetrates through the inner wall of the bottom shell and is connected with a button in a sliding manner, one end of the button abuts against one end of the clamping block, which is far away from the upper shell, and the other end of the button penetrates through the clamping groove.

Further, the inner rod is composed of a thick cylinder and a thin cylinder, wherein the diameter of the thin cylinder is the same as that of the positioning hole, and the diameter of the thick cylinder is the same as that of the outer rod.

Further, the clamping block is composed of a rectangular block and a triangular block, wherein the width of the outer wall of the rectangular block is the same as the width of the inner wall of the clamping groove, and the width of the triangular block is the same as the movable distance of the button.

Compared with the prior art, the utility model has the following beneficial effects:

This kind of BMS battery management device, through increase the interior pole on the drain pan, the bottom surface of epitheca increases the outer pole, when beginning the equipment, align a plurality of interior poles respectively with a plurality of locating holes on the mainboard, then slide downwards along the outer wall of interior pole, after sliding to suitable position, align interior pole with a plurality of outer poles on the epitheca, also push down, and the outer pole can touch the mainboard that has placed the position before after pushing down to a certain extent, and along with interior pole, compress tightly the mainboard that is located the centre simultaneously from upper and lower both sides, and at the in-process that compresses tightly the mainboard, also connect between drain pan and the epitheca and accomplish, and when need overhauling the mainboard, only need upwards pull out the epitheca can, swiftly convenient.

Drawings

FIG. 1 is a schematic view of the overall appearance of the present utility model;

FIG. 2 is a schematic view of the overall appearance of the utility model based on the partial explosion of FIG. 1;

FIG. 3 is a schematic view of the overall further exploded view of the present utility model based on FIG. 2;

FIG. 4 is a schematic view of the whole appearance of the utility model based on the other view angle of FIG. 3;

fig. 5 is a schematic view of a partially cut-away perspective structure of a bottom chassis according to the present utility model.

In the figure: 1. a bottom case; 101. a storage chamber; 2. an upper case; 3. a main board; 301. positioning holes; 4. a button; 5. a clamping block; 6. an outer rod; 7. a limiting block; 701. a clamping groove; 8. an inner rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, a BMS battery management device includes a bottom shell 1, a main board 3 and an upper shell 2, wherein a storage cavity 101 is provided on an upper surface of the bottom shell 1, a plurality of inner rods 8 are fixedly connected to a bottom surface of the storage cavity 101, a plurality of outer rods 6 are fixedly connected to a bottom surface of the upper shell 2, a plurality of positioning holes 301 are provided on an upper surface of the main board 3 in a penetrating manner, the plurality of inner rods 8 respectively penetrate through the plurality of positioning holes 301 and are slidably connected with an inner wall of the outer rods 6, and one ends, far away from the upper shell 2, of the plurality of outer rods 6 are abutted against an upper surface of the main board 3.

The BMS battery management device of the present utility model is similar to the existing BMS battery management device in structure, such as a BMS lithium battery management module for industrial energy storage disclosed in the patent publication No. CN217691298U, and the main improvement points of the present utility model are as follows: when the BMS battery management device is used, the bottom shell 1 is prepared, a plurality of positioning holes 301 on the main board 3 are respectively aligned with a plurality of inner rods 8 and then slide downwards along the outer walls of the inner rods 8, after the inner rods 8 slide to a proper position, a plurality of outer rods 6 on the upper shell 2 are aligned with the inner rods 8 and are pressed downwards, the outer rods 6 contact the main board 3 which is placed in the position before after being pressed downwards to a certain extent, and the main board 3 positioned in the middle is pressed together with the inner rods 8 from the upper side and the lower side, and in the process of pressing the main board 3, the bottom shell 1 and the upper shell 2 are connected, and when the main board 3 is required to be overhauled, the upper shell 2 is only required to be pulled upwards, so that the fixing is convenient; it should be noted that, here, the positioning hole 301 on the main board 3 and the outer rod 6 have a certain friction force with the inner rod 8, and are not convenient to fall down by themselves.

As shown in fig. 2 and 3, two sides of the bottom shell 1 are fixedly connected with limiting blocks 7, and two adjacent sides of the two limiting blocks 7 respectively abut against two sides of the main board 3. Through setting up stopper 7 in the both sides of mainboard 3, can support through stopper 7 in the side of mainboard 3, avoid mainboard 3 to produce the possibility of rocking in bottom shell 1 inside.

As shown in fig. 2 and fig. 3, a clamping groove 701 is formed on one side, close to the upper shell 2, of the two limiting blocks 7, two symmetrically arranged clamping blocks 5 are fixedly connected to one side, close to the bottom shell 1, of the upper shell 2, and the two clamping blocks 5 are respectively clamped with the two clamping grooves 701. By providing the catching groove 701 and the catching block 5, connectivity between the upper case 2 and the bottom case 1 can be enhanced so as not to be easily detached.

As shown in fig. 1 to 5, two sides of the clamping groove 701, which are far away from each other, penetrate through the inner wall of the bottom shell 1 and are slidably connected with a button 4, one end of the button 4 abuts against one end of the clamping block 5, which is far away from the upper shell 2, and the other end of the button 4 penetrates through the clamping groove 701. By adding the button 4, the clamping block 5 can be separated from the clamping groove 701 by pressing the button 4 when the upper shell 2 and the bottom shell 1 need to be separated.

As shown in fig. 2 and 3, the inner rod 8 is composed of a thick cylinder and a thin cylinder, wherein the diameter of the thin cylinder is the same as that of the positioning hole 301, so that the positioning hole 301 is not easy to shake after being connected with the thin cylinder; the diameter of the thick cylinder is the same as that of the outer rod 6, so that the main board 3 is more stable and is not easy to fall off when the inner rod 8 and the outer rod 6 clamp the main board 3 in the middle; and it is worth specifically stated here that there is a certain degree of friction between the positioning hole 301, the inner rod 8 and the outer rod 6.

As shown in fig. 2-5, the clamping block 5 is composed of a rectangular block and a triangular block, wherein the width of the outer wall of the rectangular block is the same as that of the inner wall of the clamping groove 701, so that the clamping block 5 can be prevented from shaking left and right after being inserted into the clamping groove 701; the width of the triangular block is the same as the movable distance of the button 4, and an excessive distance between the triangular block and the button may cause the clamping block 5 to drop, while an excessive distance may cause the clamping block 5 to be unable to be pushed out of the clamping groove 701.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (3)

1. The utility model provides a BMS battery management device, includes drain pan (1), mainboard (3) and epitheca (2), accomodates chamber (101), its characterized in that have been seted up to the upper surface of drain pan (1): the bottom surface of the accommodating cavity (101) is fixedly connected with a plurality of inner rods (8), the bottom surface of the upper shell (2) is fixedly connected with a plurality of outer rods (6), a plurality of positioning holes (301) are formed in the upper surface of the main board (3) in a penetrating mode, the plurality of inner rods (8) penetrate through the plurality of positioning holes (301) respectively and are in sliding connection with the inner walls of the outer rods (6), and one ends, far away from the upper shell (2), of the plurality of outer rods (6) are propped against the upper surface of the main board (3);

Limiting blocks (7) are fixedly connected to two sides of the bottom shell (1), and one side, adjacent to the two limiting blocks (7), of each limiting block is propped against two sides of the main board (3) respectively;

Clamping grooves (701) are formed in one side, close to the upper shell (2), of the two limiting blocks (7), two symmetrically arranged clamping blocks (5) are fixedly connected to one side, close to the bottom shell (1), of the upper shell (2), and the two clamping blocks (5) are respectively clamped with the two clamping grooves (701);

One side of two draw-in grooves (701) that keep away from each other all runs through the inner wall of drain pan (1) and sliding connection has button (4), and the one end of button (4) offsets with the one end that upper shell (2) was kept away from to fixture block (5), and the other end of button (4) runs through draw-in groove (701).

2. The BMS battery management device according to claim 1, wherein: the inner rod (8) is composed of a thick cylinder and a thin cylinder, wherein the diameter of the thin cylinder is the same as that of the positioning hole (301), and the diameter of the thick cylinder is the same as that of the outer rod (6).

3. A BMS battery management device according to claim 1 or 2, wherein: the clamping block (5) consists of a rectangular block and a triangular block, wherein the width of the outer wall of the rectangular block is the same as the width of the inner wall of the clamping groove (701), and the width of the triangular block is the same as the movable distance of the button (4).