Battery pack BMS module fixing structure

Abstract

The utility model discloses a battery pack BMS module fixing structure which comprises a battery frame, a BMS module is arranged at the end of the inner side of the battery frame, a limiting beam is arranged in the battery frame, and the battery frame comprises side plates and end plates; a supporting beam is arranged between the end plate and the limiting beam, the BMS module is located between the side plate and the supporting beam, and by the adoption of the battery pack BMS module fixing structure, the occupied space is small, and the wiring harness arrangement difficulty is lowered.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile battery, specifically, the utility model relates to a battery pack BMS module fixing structure. BACKGROUND

[0002] Because the installation space for the battery pack of different vehicle models is different in size, but the installation space of the battery pack is generally certain in width and different in length size, which leads to the internal space of the battery pack being limited, wherein the BMS module usually occupies a larger space, leading to other components in the battery pack being difficult to place and the wiring harness being difficult to arrange.

[0003] The utility model discloses a kind of integrated BMS battery pack packaging boxes with the publication number CN206602134U, and the utility model discloses a kind of integrated BMS battery pack packaging box main body, the inner cavity of integrated BMS battery pack packaging box main body is rectangular array and is provided with battery fixed slot, the rear side wall of integrated BMS battery pack packaging box main body is provided with three groups of electrode support seat.The integrated BMS battery pack packaging box cannot solve the technical problems described above either. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiency of prior art, and provides a kind of battery pack BMS module fixing structure with small space occupation, reduce wiring harness arrangement difficulty.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] The battery pack BMS module fixing structure includes battery frame, the BMS module is arranged at the inner side end of battery frame, the battery frame is provided with limiting beam inside, and the battery frame includes side plate and end plate;Supporting beam is provided between the end plate and the limiting beam, and the BMS module is located between the side plate and the supporting beam.

[0007] The BMS module includes first slave and second slave, the first slave and the second slave are arranged side by side, the first connecting plate is provided inside the battery frame, the first connecting plate is provided with two, and the two first connecting plates are connected with one end of the first slave and one end of the second slave respectively, the mounting gap and the second connecting plate are provided on the supporting beam, the other end of the first slave is overlapped on the mounting gap, and the other end of the second slave is connected with the second connecting plate.

[0008] The two ends of the first connecting plate are L-shaped structure, and the two ends of the second connecting plate are Z-shaped structure.

[0009] The first connecting plate, the second connecting plate and the supporting beam are all provided with connecting hole, the first slave and the second slave are provided with mounting hole at end portion, and the connecting hole and the mounting hole are all provided in pairs.

[0010] The mounting hole axis is vertically upward.

[0011] The BMS module comprises a plug-in end, and the opening direction of the plug-in end is horizontally arranged.

[0012] The support beam is fixedly connected with the limiting beam and the end plate at both ends respectively.

[0013] The technical effect of the utility model is that: the battery pack BMS module fixing structure of the utility model, BMS module is located at one end of the battery frame, and is stably fixed on the battery frame and the support beam by using multiple support pieces, the BMS module is arranged in a horizontal posture, and the mounting hole thereof is vertically upward, the longitudinal space is reduced, the problem that other components cannot be placed due to space problems is solved, the number of bending of the wire harness connected with the BMS module is reduced, the wire harness arrangement is optimized, the length of the battery pack is reduced, and the utility model is suitable for the case that the internal space of the battery pack is limited. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present specification includes the following drawings, and the shown contents are respectively:

[0015] Figure 1 It is the structure schematic view of the battery pack BMS module fixing structure of the utility model;

[0016] Figure 2-1 And Figure 2-2 It is the installation schematic view of the first slave machine of the utility model;

[0017] Figure 3 It is the structure schematic view of the BMS module of the utility model;

[0018] Figure 4 It is the structure schematic view of the first connecting plate of the utility model;

[0019] Figure 5 It is the structure schematic view of the second connecting plate of the utility model;

[0020] Figure 6 It is the structure schematic view of the support beam of the utility model.

[0021] In the drawing, the marks are: 1, battery frame; 2, side plate; 3, end plate; 4, limiting beam; 5, support beam; 6, BMS module; 7, first slave machine; 8, second slave machine; 9, first connecting plate; 10, second connecting plate; 11, installation gap; 12, mounting hole; 13, connecting hole; 14, plug-in end. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application are further described in detail below with reference to the drawings and the embodiments, and the purpose is to help the technical personnel in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present application, and to facilitate its implementation.

[0023] As shown in Figures 1 to 6 The battery pack BMS module fixing structure includes a battery frame 1, a BMS module 6 is arranged at the inner side end of the battery frame 1, a limiting beam 4 is arranged in the battery frame 1, and the battery frame 1 includes a side plate 2 and an end plate 3; a support beam 5 is arranged between the end plate 3 and the limiting beam 4, and the BMS module 6 is located between the side plate 2 and the support beam 5. One side region of the limiting beam 4 is used for mounting a battery module, and the other side thereof is provided with the support beam 5 for supporting the same, so that the battery shell structure can be strengthened, and the support beam 5 also provides a mounting position for the BMS module 6, so that the BMS module 6 is located at one end inside the battery pack, the occupied space of the battery pack is reduced, and more space is left for other components.

[0024] As shown in Figures 1 to 3 The BMS module 6 includes a first slave machine 7 and a second slave machine 8, the first slave machine 7 and the second slave machine 8 are arranged side by side, a first connecting plate 9 is arranged at the inner side of the battery frame 1, two first connecting plates 9 are arranged, and the two first connecting plates 9 are connected with one end of the first slave machine 7 and one end of the second slave machine 8 respectively; a mounting gap 11 and a second connecting plate 10 are arranged on the support beam 5, the other end of the first slave machine 7 is lapped on the mounting gap 11, and the other end of the second slave machine 8 is connected with the second connecting plate 10. The first slave machine 7 and the second slave machine 8 of the BMS module 6 are fixed by being stacked together, the second slave machine 8 is arranged above the first slave machine 7, which facilitates wire arrangement, saves longitudinal arrangement space, facilitates the running direction of the wire harness and saves the cost of the wire harness; the first connecting plate 9 and the mounting gap 11 respectively fix the two ends of the first slave machine 7, so that the first slave machine 7 is horizontal, the first connecting plate 9 and the second connecting plate 10 respectively fix the two ends of the second slave machine 8, so that the second slave machine 8 is horizontal, the effect of arranging the first slave machine 7 and the second slave machine 8 side by side is achieved, and the horizontal BMS module 6 facilitates the wiring of the wire harness, wherein the mounting gap 11 arranged on the support beam 5 limits the movement of the first slave machine 7, facilitates the installation of the connecting piece, and reduces the installation height of the first slave machine 7, so that it can be applied to the case that the thickness of the battery pack is low.

[0025] As shown in Figures 2-1 to 5 The two ends of the first connecting plate 9 are L-shaped structures, and the two ends of the second connecting plate 10 are Z-shaped structures. The first connecting plate 9 and the second connecting plate 10 adopting the above structure adapt to the mounting holes 12 at the two ends of the BMS module 6, so as to ensure the installation flatness of the BMS module 6, reduce the use of supporting pieces, realize few-piece development, and reduce the cost.

[0026] As shown in FIGS. 2 to Figure 5As shown, the first connecting plate 9, the second connecting plate 10 and the support beam 5 are all provided with connecting holes 13, the first slave machine 7 and the second slave machine 8 are provided with mounting holes 12, and the connecting holes 13 and the mounting holes 12 are provided in pairs.

[0027] As shown in the drawings, Figure 3 The mounting hole 12 is vertically upward along the axis. The above structure makes the mounting direction of the mounting hole 12 parallel to the Z axis, and when the BMS module 6 is assembled, the connecting piece can be installed in the vertical direction, which is convenient for manual or mechanical hand operation and adapts to the fast production rhythm of the battery pack pipeline.

[0028] As shown in the drawings, Figure 1 The BMS module 6 includes a plug-in end 14, and the opening direction of the plug-in end 14 is horizontally arranged. The plug-in end 14 corresponds to the wire harness, and the plug-in end 14 is arranged horizontally, which can correspond to the wire harness of the side of the BMS module 6, reduce the bending times of the wire harness, and reduce the difficulty of wire harness arrangement and connection.

[0029] As shown in the drawings, Figure 1 The support beam 5 is fixedly connected with the limiting beam 4 and the end plate 3 at both ends, respectively. The support beam 5 provides support for the limiting beam 4 and the end plate 3, so that the limiting effect of the limiting beam 4 is reliable and the structural strength of the battery shell is improved.

[0030] The battery pack BMS module fixing structure is characterized in that the BMS module 6 is arranged at one end of the battery frame 1 and is stably fixed on the battery frame 1 and the support beam 5 by using a plurality of supporting pieces, the BMS module 6 is arranged in a horizontal posture, the mounting hole 12 of the BMS module 6 is vertically upward, the longitudinal space is reduced, the problem that other components cannot be placed due to space is solved, the bending times of the wire harness connected with the BMS module 6 are reduced, the wire harness arrangement is optimized, the length of the battery pack is reduced, and the structure is suitable for the case that the internal space of the battery pack is limited.

[0031] The above-mentioned utility model is described by way of example in combination with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A battery pack BMS module fixing structure, characterized by: The application relates to a battery box (1), wherein a BMS module (6) is arranged at the inner end of the battery box (1), a limiting beam (4) is arranged in the battery box (1), the battery box (1) comprises a side plate (2) and an end plate (3), a supporting beam (5) is arranged between the end plate (3) and the limiting beam (4), and the BMS module (6) is arranged between the side plate (2) and the supporting beam (5).

2. The battery pack BMS module fixation structure according to claim 1, characterized in that: The BMS module (6) comprises a first slave (7) and a second slave (8), the first slave (7) and the second slave (8) are arranged side by side, a first connecting plate (9) is arranged in the battery box (1), two first connecting plates (9) are arranged, one end of the first slave (7) and one end of the second slave (8) are connected with the two first connecting plates (9) respectively, a mounting gap (11) and a second connecting plate (10) are arranged on the supporting beam (5), the other end of the first slave (7) is overlapped on the mounting gap (11), and the other end of the second slave (8) is connected with the second connecting plate (10).

3. The battery pack BMS module fixation structure according to claim 2, characterized in that: The two ends of the first connecting plate (9) are L-shaped structures, and the two ends of the second connecting plate (10) are Z-shaped structures.

4. The battery pack BMS module fixation structure according to claim 3, characterized by: Connecting holes (13) are arranged on the first connecting plate (9), the second connecting plate (10) and the supporting beam (5), mounting holes (12) are arranged at the ends of the first slave (7) and the second slave (8), and the connecting holes (13) and the mounting holes (12) are arranged in pairs.

5. The battery pack BMS module fixation structure according to claim 4, characterized in that: The axis of the mounting hole (12) is vertically upward.

6. The battery pack BMS module fixation structure according to claim 5, characterized in that: The BMS module (6) comprises a plug-in end (14), and the opening direction of the plug-in end (14) is horizontally arranged.

7. The battery pack BMS module fixation structure according to claim 1, characterized in that: The two ends of the supporting beam (5) are fixedly connected with the limiting beam (4) and the end plate (3) respectively.

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