BMS integrated structure

Abstract

The utility model provides a BMS integrated structure which comprises a plastic part and a BMS control panel, the BMS control panel is arranged in the center of the interior of the plastic part, a plurality of busbars are arranged on the side of the interior of the plastic part, and the busbars are arranged on the periphery of the BMS control panel; according to the utility model, the voltage acquisition line, the temperature acquisition line, the busbar and the BMS are integrated into one body and are molded into one part through low-pressure injection molding, such structure arrangement reduces the diversification of parts, only one part is adopted in the new design, and compared with the traditional design, the number of parts is greatly reduced, only one part is adopted in the new structure, and the cost is reduced. The battery assembly process is reduced, the manpower cost and equipment cost input for battery product assembly are reduced, automatic assembly is easier to realize, the heat conduction area of the BMS is increased, and the heat dissipation of the BMS is more uniform.

Description

Technical Field

[0001] The utility model belongs to the technical field of batteries and relates to a BMS integrated structure. Background Art

[0002] A lithium battery module usually consists of a housing, batteries, a BMS, voltage acquisition wires, temperature acquisition wires, busbars, etc. The increase in the number of parts will increase the assembly process of the battery finished product, increase the cost investment of equipment and labor. The increase in the number of parts will also make the assembly process more complex, and the probability of product defects will also increase accordingly. With the continuous increase in labor costs, in the future, it is more inclined to streamline the product design and reduce the investment in labor and equipment through integrated design.

[0003] In the prior art, the voltage acquisition wires, temperature sampling wires, BMS, and busbars are designed independently. When assembling the battery finished product, more labor and equipment are required, increasing the cost investment. The diversification of parts will also increase the assembly process, increasing the risk of product defect rate. How to reduce product defects and reduce cost investment is a problem that needs to be solved currently. Summary of the Invention

[0004] The purpose of the utility model is to provide a BMS integrated structure to solve the problems raised in the above background art.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A BMS integrated structure includes a plastic part and a BMS control board. The BMS control board is arranged at the central position inside the plastic part, and a plurality of busbars are arranged at the side position inside the plastic part, and the plurality of busbars are arranged around the BMS control board.

[0007] In the above BMS integrated structure, a temperature acquisition wire is arranged inside the plastic part, and the temperature acquisition wire is arranged between the BMS control board and the busbars.

[0008] In the above BMS integrated structure, a plurality of voltage acquisition wires are arranged inside the plastic part, and the voltage acquisition wires are arranged between the BMS control board and the busbars.

[0009] Compared with the prior art, the advantages of the BMS integrated structure of the utility model are as follows:

[0010] This application integrates the voltage acquisition line, temperature acquisition line, busbar with the BMS into one, and through low-pressure injection molding, it is formed into a single part. Such a structural arrangement reduces the variety of parts. The new design has only one part, greatly reducing the number of parts compared to traditional designs. The new structure has only one part, streamlining the assembly process of the battery product, reducing the investment in labor costs and equipment costs for battery product assembly, making it easier to achieve automated assembly, increasing the heat dissipation area of the BMS, and making the BMS heat dissipation more uniform. Description of the Drawings

[0011] Figure 1 It is a schematic structural diagram of an integrated BMS structure of the present utility model.

[0012] In the figure, 1. Plastic; 2. BMS control board; 3. Temperature acquisition line; 4. Busbar; 5. Voltage acquisition line. Detailed Embodiment

[0013] The following are specific embodiments of the present utility model in combination with the drawings, and the technical solutions of the present utility model will be further described, but the present utility model is not limited to these embodiments.

[0014] An integrated BMS structure includes a plastic part 1 and a BMS control board 2. The BMS control board 2 is disposed at the central position inside the plastic part 1. A plurality of busbars 4 are disposed at the side positions inside the plastic part 1, and the plurality of busbars 4 are disposed around the BMS control board 2. The busbars 4 serve to connect and collect electric current. The plastic part 1 forms the BMS into an integrated whole, and the BMS control board 2 is an integrated battery management system.

[0015] As Figure 1 shown, for an integrated BMS structure of the present utility model, specifically, a temperature acquisition line 3 is disposed inside the plastic part 1, and the temperature acquisition line 3 is disposed between the BMS control board 2 and the busbar 4. Both ends of the temperature acquisition line 3 are respectively connected to the BMS control board 2 and the busbar 4 by welding, and the temperature acquisition line 3 serves to monitor and record temperature.

[0016] As Figure 1 shown, for an integrated BMS structure of the present utility model, specifically, a plurality of voltage acquisition lines 5 are disposed inside the plastic part 1, the voltage acquisition lines 5 are disposed between the BMS control board 2 and the busbar 4, and both ends of the voltage acquisition lines 5 are respectively connected to the BMS control board 2 and the busbar 4 by welding. The voltage acquisition lines 5 mainly serve to monitor and record voltage data.

[0017] A BMS integrated structure of the present utility model integrates a voltage acquisition line 5, a temperature acquisition line 3, a bus bar 4 with the BMS into one body, and forms it into a part through low-pressure injection molding. Such a structural setting reduces the diversification of parts. The new design has only one part, greatly reducing the number of parts compared with the traditional design. The new structure has only one part, reducing the assembly process of the battery product, reducing the input of labor cost and equipment cost for the assembly of the battery product, being more conducive to realizing automatic assembly, increasing the heat dissipation area of the BMS, and making the heat dissipation of the BMS more uniform.

[0018] Contents not described in detail in this specification belong to the prior art well-known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the art of the present utility model can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

Claims

1. A BMS integrated structure, comprising a plastic part (1) and a BMS control panel (2), characterized in that: A BMS control board (2) is arranged at the inner center of the plastic part (1), a plurality of bus bars (4) are arranged at the inner side of the plastic part (1), and the plurality of bus bars (4) are arranged around the BMS control board (2).

2. A BMS integrated structure according to claim 1, characterized in that: A temperature collection line (3) is arranged inside the plastic part (1), and the temperature collection line (3) is arranged between the BMS control board (2) and the bus bar (4).

3. A BMS integrated structure according to claim 1, characterized in that: A plurality of voltage collection lines (5) are arranged inside the plastic part (1), and the voltage collection lines (5) are arranged between the BMS control board (2) and the busbar (4).

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