BMS (battery management system) mounting bracket

Abstract

The utility model discloses a BMS installation support which comprises a base, two side arms are arranged on the base, the base comprises a bottom plate and a sliding strip, a sliding rail extending in the left-right direction is arranged on the lower end face of the bottom plate, and the right side of the sliding rail penetrates through the right side face of the bottom plate. The left end of the sliding strip extends into the sliding rail and is in sliding fit with the sliding rail, the left end of the bottom plate and the right end of the sliding strip are each provided with a convex lug, connecting holes are formed in the convex lugs, the lower end of one side arm is fixedly connected with the bottom plate, the lower end of the other side arm is fixedly connected with the sliding strip, and the left end of the sliding strip extends into the sliding rail and is in sliding fit with the sliding rail. The bottom plate, the sliding strips and the side arms are matched to form a clamping space used for installing a BMS module. The device has the advantages of being capable of being used in cooperation with BMS modules of different specifications, good in compatibility and small in occupied space.

Description

Technical Field

[0001] This utility model belongs to the field of battery management technology, and in particular relates to a BMS mounting bracket. Background Technology

[0002] A Battery Management System (BMS) is an electronic system used to manage, monitor, and protect battery packs (especially lithium-ion battery packs). The main functions of a BMS include battery status monitoring, charge / discharge management, equalization management, and fault diagnosis.

[0003] BMS modules are typically fixed inside the battery pack using a plate-type bracket. However, existing plate-type brackets have a simple structure and can only be used with BMS modules of corresponding specifications, resulting in poor compatibility. To address this, a BMS bracket and BMS assembly are disclosed in application number 2022113930639. The BMS bracket includes a base, two side supports, and a limiting block. The two side supports are mounted on the base with an adjustable spacing. Each side support has a mounting groove with a width adapted to the thickness of the BMS. The end of the mounting groove away from the base has an opening for inserting the BMS. This solution clamps the BMS using the two adjustable-spacing side supports and limits its position with the mounting groove. This installation method only requires the external dimensions of the BMS to correspond to the dimensions of the mounting groove.

[0004] However, in the above solution, the length of the base is fixed and relatively long, which will occupy a lot of space inside the battery pack. With the continuous advancement of technology and the increasing demands on the performance and range of electric vehicles, the battery pack structure is becoming more and more compact. This structure is not conducive to making full use of the internal space of the battery pack and there is room for improvement. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a BMS mounting bracket that can be used with BMS modules of different specifications, has good compatibility, and occupies little space.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a BMS mounting bracket includes a base, two side arms are provided on the base, the base includes a bottom plate and a sliding bar, a slide rail extending in the left-right direction is provided on the lower end surface of the bottom plate, the right side of the slide rail passes through the right side surface of the bottom plate, the left end of the sliding bar extends into the slide rail and slides with the slide rail, the left end of the bottom plate and the right end of the sliding bar are respectively provided with lugs, the lugs are provided with connecting holes, the lower end of one side arm is fixedly connected to the bottom plate, and the lower end of the other side arm is fixedly connected to the sliding bar, the bottom plate, the sliding bar and the side arms cooperate to form a clamping space for installing a BMS module.

[0007] Preferably, the side arm is provided with a strip groove on the side facing the clamping space, and the upper end of the strip groove penetrates the upper end face of the side arm.

[0008] Preferably, the side arm is provided with a limiting member that can slide up and down. The limiting member is locked to the side arm by a locking member and is used to press against the edge of the upper surface of the BMS module.

[0009] Preferably, the side arm away from the clamping space is provided with a first strip hole communicating with the strip groove. The first strip hole extends in the vertical direction. The limiting member is a limiting block. The limiting block slides vertically with the strip groove. The limiting block is provided with a first screw hole on the side facing the bottom of the strip groove. The locking member is a first bolt. The first bolt passes through the first strip hole and is threadedly connected to the first screw hole.

[0010] Preferably, the limiting block is provided with a through hole that penetrates the upper and lower end faces of the limiting block.

[0011] Preferably, the limiting block has a rubber layer on the side facing the bottom of the strip groove. When locked, the limiting block and the bottom of the strip groove cooperate to squeeze the rubber layer.

[0012] Preferably, the limiting member includes a U-shaped plate and a limiting plate. The U-shaped plate is fitted onto the front side, rear side and the side away from the clamping space of the side arm. The U-shaped plate slides up and down with the side arm. The limiting plate is fixedly disposed at the top of the U-shaped plate and is located directly above the strip groove.

[0013] Preferably, a second screw hole is provided on the side of the side arm away from the clamping space, and a second strip hole communicating with the second screw hole is provided on the side of the U-shaped plate. The second strip hole extends in the vertical direction, and a plurality of slots distributed in the vertical direction are provided on the side of the second strip hole.

[0014] The locking component includes a second bolt and a ring. The ring is located inside the second slot and is on the same axis as the second screw hole. A locking block is fixedly provided on the outside of the ring. The locking block is inserted into a slot. The second bolt passes through the ring and is threaded into the second screw hole.

[0015] Preferably, the front and rear sides of the side arm are respectively provided with guide rails extending in the vertical direction, and multiple sliders are provided on the U-shaped plate, with each slider corresponding to and slidingly engaging with the guide rail.

[0016] Preferably, the lower end face of the limiting plate is fixedly provided with two baffles, the lower end of the baffles is provided with an inclined guide surface, and the baffles are used to abut against the front or rear side of the BMS module.

[0017] Compared with the prior art, the advantages of this utility model are:

[0018] 1. The base plate and sliding strip work together to form a base, which allows the length of the base plate to be flexibly adjusted to adapt to the lateral length of BMS modules of different specifications, resulting in good compatibility. At the same time, it can also reduce the amount of space occupied inside the battery pack, which helps to improve space utilization.

[0019] 2. By setting up a sliding limiter on the side arm and a locking member to lock the limiter to the side arm, the longitudinal height of different BMS modules can be adapted to further improve compatibility. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model when equipped with a BMS module. Figure 1 ;

[0021] Figure 2 This is a partial cross-sectional view of the present invention. Figure 1 ;

[0022] Figure 3 This is a schematic diagram of the structure of this utility model when equipped with a BMS module. Figure 2 ;

[0023] Figure 4 This is a partial cross-sectional view of the present invention. Figure 2 ;

[0024] Figure 5 This is a schematic diagram of the exploded structure of this utility model.

[0025] In the diagram: 1. Base; 11. Base plate; 111. Slide rail; 12. Sliding bar; 13. Lug; 131. Connecting hole; 2. Side arm; 21. Strip groove; 22. First strip hole; 23. Second screw hole; 24. Guide rail; 3. Clamping space; 4. Limiting component; 41. Limiting block; 411. First screw hole; 412. Through hole; 42. U-shaped plate; 421. Second strip hole; 422. Slot; 423. Slider; 43. Limiting plate; 44. Baffle; 441. Inclined guide surface; 5. Locking component; 51. First bolt; 52. Second bolt; 53. Ring; 531. Locking block; 6. BMS module. Detailed Implementation

[0026] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] Example 1: As Figure 1 and Figure 2 As shown, a BMS mounting bracket includes a base 1, on which two side arms 2 are provided.

[0029] In this embodiment, the base 1 includes a base plate 11 and a sliding bar 12. The lower end surface of the base plate 11 is provided with a slide rail 111 extending in the left-right direction. The right side of the slide rail 111 passes through the right side surface of the base plate 11. The left end of the sliding bar 12 extends into the slide rail 111 and slides in cooperation with the slide rail 111. The left end of the base plate 11 and the right end of the sliding bar 12 are respectively provided with lugs 13. The lugs 13 are provided with connection holes 131 for connecting with the inside of the battery pack. The lower end of one side arm 2 is fixedly connected to the base plate 11, and the lower end of the other side arm 2 is fixedly connected to the sliding bar 12. The base plate 11, the sliding bar 12 and the side arm 2 cooperate to form a clamping space 3 for installing the BMS module 6. The distance between the two side walls can be adjusted by sliding the sliding bar 12 to adjust the size of the clamping space 3.

[0030] In this embodiment, a strip groove 21 is provided on the side of the side arm 2 facing the clamping space 3. The upper end of the strip groove 21 penetrates the upper end face of the side arm 2. During assembly, the left and right sides of the BMS module 6 are respectively inserted into the strip groove 21 located on the same side.

[0031] In this embodiment, a limiting member 4 that can slide up and down is provided on the side arm 2. The limiting member 4 is locked to the side arm 2 by a locking member 5. The limiting member 4 is used to press against the edge of the upper surface of the BMS module 6 to prevent the BMS module 6 from shaking up and down, which helps to improve the stability of the structure.

[0032] In this embodiment, one of the connection holes 131 is an oblong hole, which allows for a certain error during assembly and has good compatibility.

[0033] Example 2: Figure 1 and Figure 2As shown, the rest of the parts are the same as in Embodiment 1, except that the side arm 2 away from the clamping space 3 is provided with a first strip hole 22 communicating with the strip groove 21. The first strip hole 22 extends in the vertical direction. The limiting member 4 is a limiting block 41, which slides vertically with the strip groove 21. The limiting block 41 is provided with a first screw hole 411 on the side facing the bottom of the strip groove 21. The locking member 5 is a first bolt 51, which passes through the first strip hole 22 and is threadedly connected to the first screw hole 411. After the BMS module 6 is installed into the clamping space 3, the limiting block 41 is pressed against the edge of the upper surface of the BMS module 6, and then the first bolt 51 is tightened to lock the position of the limiting block 41.

[0034] In this embodiment, a through hole 412 is provided on the limiting block 41. The through hole 412 penetrates the upper end face and the lower end face of the limiting block 41. The design of the through hole 412 facilitates the rapid dissipation of heat generated by the BMS module 6 during operation.

[0035] In this embodiment, a rubber layer (not shown in the figure) is provided on the side of the limiting block 41 facing the bottom of the strip groove 21. When locked, the limiting block 41 and the bottom of the strip groove 21 cooperate to squeeze the rubber layer. The deformation of the rubber layer will generate a reaction force, which helps to improve the stability of the connection between the first bolt 51 and the first screw hole 411. At the same time, the rubber layer can also play an anti-slip role, which helps to improve the stability of the structure.

[0036] Example 3: Figures 3 to 5 As shown, the rest of the parts are the same as in Embodiment 1, except that the limiting member 4 includes a U-shaped plate 42 and a limiting plate 43. The U-shaped plate 42 is fitted on the front side, the rear side and the side away from the clamping space 3 of the side arm 2. The U-shaped plate 42 slides up and down with the side arm 2. The limiting plate 43 is fixedly set at the top of the U-shaped plate 42. The limiting plate 43 is located directly above the strip groove 21. After the BMS module 6 is installed into the clamping space 3, the limiting plate 43 is pressed against the edge of the upper surface of the BMS module 6.

[0037] In this embodiment, a second screw hole 23 is provided on the side of the side arm 2 away from the clamping space 3, and a second strip hole 421 communicating with the second screw hole 23 is provided on the side of the U-shaped plate 42. The second strip hole 421 extends in the vertical direction, and a plurality of slots 422 distributed in the vertical direction are provided on the side of the second strip hole 421. The locking member 5 includes a second bolt 52 and a ring 53. The ring 53 is located in the second strip hole 421 and is on the same axis as the second screw hole 23. A locking block 531 is fixedly provided on the outside of the ring 53. The locking block 531 is inserted into a slot 422. The second bolt 52 passes through the ring 53 and is threadedly connected to the second screw hole 23. By changing the slot 422 into which the locking block 531 is inserted, the longitudinal height of the whole consisting of the side arm 2 and the U-shaped plate 42 can be adjusted.

[0038] Compared to Embodiment 2, in Embodiment 3, the longitudinal height of the BMS mounting bracket can be adjusted according to the specifications of the BMS module 6, thereby reducing the amount of space occupied inside the battery pack and helping to further improve space utilization.

[0039] Compared to directly creating multiple holes in the U-shaped plate 42, where the second bolt 52 passes through the hole structure and is threaded to the second screw hole 23, the distribution of the slots 422 in this solution is not limited by the minimum diameter of the hole structure. The distribution of the slots 422 can be more dense and has better compatibility.

[0040] Example 4: Figure 3 and Figure 5 As shown, the rest of the parts are the same as in Embodiment 3. The difference is that the front and rear sides of the side arm 2 are respectively provided with guide rails 24 extending in the vertical direction, and multiple strip-shaped sliders 423 are provided on the U-shaped plate 42. The sliders 423 correspond one-to-one with the guide rails 24 and slide in cooperation. The arrangement of the guide rails 24 and the sliders 423 helps to improve the stability of the structure.

[0041] In this embodiment, two baffles 44 are fixedly provided on the lower end face of the limiting plate 43. The lower end of the baffle 44 is provided with an inclined guide surface 441. The baffle 44 is used to abut against the front or rear side of the BMS module 6 to prevent the upper part of the BMS module 6 from shaking due to lack of restriction, which helps to improve the fixing effect of the BMS module 6.

[0042] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the implementation of the present invention is not limited to the above-described manner. Any improvements made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, are all within the protection scope of the present invention.

Claims

1. A BMS mounting bracket, comprising a base (1), wherein the base (1) is provided with two side arms (2), characterized in that The base (1) comprises a bottom plate (11) and a sliding bar (12); the lower end surface of the bottom plate (11) is provided with a sliding rail (111) extending in the left-right direction; the right side of the sliding rail (111) passes through the right side surface of the bottom plate (11); the left end of the sliding bar (12) extends into the sliding rail (111) and slides with the sliding rail (111); the left end of the bottom plate (11) and the right end of the sliding bar (12) are respectively provided with lugs (13); the lugs (13) are provided with connecting holes (131); the lower end of one of the side arms (2) is fixedly connected to the bottom plate (11); the lower end of the other side arm (2) is fixedly connected to the sliding bar (12); the bottom plate (11), the sliding bar (12) and the side arm (2) cooperate to form a clamping space (3) for installing a BMS module (6).

2. A BMS mounting bracket according to claim 1, characterized in that A strip groove (21) is provided on one side of the side arm (2) facing the clamping space (3), and the upper end of the strip groove (21) passes through the upper end surface of the side arm (2).

3. A BMS mounting bracket according to claim 2, characterized in that The side arm (2) is provided with a limiter (4) capable of sliding up and down, the limiter (4) being locked and matched with the side arm (2) via a locking member (5), and the limiter (4) being used to press on the edge of the upper end surface of the BMS module (6).

4. A BMS mounting bracket according to claim 3, characterized in that A first strip hole (22) connected to the strip groove (21) is provided on a side of the side arm (2) away from the clamping space (3), and the first strip hole (22) extends in the up-down direction. The limiting member (4) is a limiting block (41), and the limiting block (41) is slidably matched with the strip groove (21) up and down. A first screw hole (411) is provided on a side of the limiting block (41) facing the bottom of the strip groove (21). The locking member (5) is a first bolt (51), and the first bolt (51) is threadedly connected to the first screw hole (411) after passing through the first strip hole (22).

5. A BMS mounting bracket according to claim 4, characterized in that The limiting block (41) is provided with a through hole (412), and the through hole (412) passes through the upper end surface and the lower end surface of the limiting block (41).

6. A BMS mounting bracket according to claim 4, characterized in that A rubber layer is provided on one side of the limit block (41) facing the bottom of the strip groove (21); when locked, the limit block (41) cooperates with the bottom of the strip groove (21) to squeeze the rubber layer.

7. A BMS mounting bracket according to claim 3, characterized in that The limiting member (4) comprises a U-shaped plate (42) and a limiting plate (43); the U-shaped plate (42) is sleeved on the front side, the rear side and the side away from the clamping space (3) of the side arm (2); the U-shaped plate (42) and the side arm (2) are slidably matched up and down; the limiting plate (43) is fixedly arranged on the top end of the U-shaped plate (42); and the limiting plate (43) is located directly above the strip groove (21).

8. A BMS mounting bracket according to claim 7, characterized in that A second screw hole (23) is provided on a side of the side arm (2) away from the clamping space (3); a second strip hole (421) communicating with the second screw hole (23) is provided on a side of the U-shaped plate (42); the second strip hole (421) extends in an up-down direction; and a plurality of slots (422) distributed in an up-down direction are provided on a side of the second strip hole (421); The locking member (5) comprises a second bolt (52) and a circular ring (53); the circular ring (53) is located in the second strip hole (421) and is located on the same axis as the second screw hole (23); a clamping block (531) is fixedly provided on the outer side of the circular ring (53); the clamping block (531) is inserted into one of the clamping grooves (422); and the second bolt (52) passes through the circular ring (53) and is threadedly connected to the second screw hole (23).

9. A BMS mounting bracket according to claim 7, characterized in that The front side and the rear side of the side arm (2) are respectively provided with guide rails (24) extending in the up-down direction, and a plurality of sliding blocks (423) are provided on the U-shaped plate (42), and the sliding blocks (423) correspond to the guide rails (24) one by one and are slidably matched.

10. A BMS mounting bracket according to claim 7, characterized in that Two baffles (44) are fixedly arranged on the lower end surface of the limiting plate (43), and an inclined guide surface (441) is arranged at the lower end of the baffle (44). The baffle (44) is used to abut against the front side or rear side of the BMS module (6).

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