CCS positioning structure applied to battery module

Abstract

The utility model relates to the technical field of battery modules, in particular to a CCS positioning structure applied to a battery module, which comprises a battery module, two rows of battery cells arranged in parallel are arranged in the battery module, battery cell poles are mounted on the battery cells, a blister tray is arranged at the upper end cover of the battery module, and the blister tray is connected with the battery module. The plastic uptake disc is arranged on the base, the plastic uptake disc is arranged on the base, limiting holes corresponding to the positions of the battery cell poles are formed in the plastic uptake disc, FPC soft bars matched with the two rows of battery cells respectively are installed at the upper end of the plastic uptake disc, voltage and temperature acquisition functions are provided through the FPC soft bars, series aluminum bars are further uniformly fixed on the plastic uptake disc at intervals, and the series aluminum bars are connected with the single battery cell poles to form a group. And high-voltage bases are respectively arranged at two ends of the battery module. According to the CCS positioning structure applied to the battery module, fine positioning is achieved through the plastic uptake disc, the positioning gap between the output electrode busbar and the high-voltage base serves as coarse positioning for combined limiting, the structure is simpler, the material utilization rate is high, and meanwhile the design difficulty of other parts is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of battery modules, in particular to a CCS positioning structure applied to a battery module. Background Art

[0002] CCS is a key component in the battery module, mainly used for electrical connection between battery cells and interface with external circuits. CCS integrated busbar is also called battery cover assembly, which is used for new energy vehicles and energy storage battery module cover. It provides battery temperature sampling, cell voltage sampling functions and realizes high voltage series and parallel connection of cells. It provides temperature and voltage to the BMS system through signal acquisition components (FPC, wiring harness, etc.) and connector components. It is part of the car's BMS power system. It is mainly composed of signal acquisition components (FPC, wiring harness, etc.), plastic structural parts, copper and aluminum busbars, etc., which are connected into a whole through hot pressing or riveting processes.

[0003] The existing publication number CN221176544U discloses a CCS positioning bracket and battery module on a battery pack. By making the positioning structure in a "cross" shape surrounding a single battery cell, the CCS bracket can adapt to battery cells with different appearance characteristics, thereby expanding the application range of the product.

[0004] However, in the battery module layout plan, the CCS component is one of the more critical components. Its main function is to realize the voltage collection of a single battery cell and the temperature monitoring of the module. In the process of battery cell grouping, the CCS is connected together by welding the aluminum bar and the battery cell pole. To ensure the accuracy of welding, it is required that the CCS be accurately positioned when placed on the module. The traditional positioning method is to use an NTC fixed bracket for positioning, but this method is prone to over-positioning, resulting in interference between the NTC bracket and the aluminum bar during aluminum bar welding. Utility Model Content

[0005] The purpose of the utility model is to provide a CCS positioning structure applied to a battery module, so as to solve the problem proposed in the above background technology that the CCS of the battery module on the current market is positioned by an NTC fixed bracket, but this method is prone to over-positioning, resulting in interference between the NTC bracket and the aluminum bar during aluminum bar welding.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a CCS positioning structure applied to a battery module, comprising a battery module, wherein two rows of battery cells arranged in parallel are arranged in the battery module, and battery cell poles are installed on the battery cells, a blister disk is provided on the upper end cover of the battery module, and limiting holes corresponding to the positions of the battery cell poles are opened on the blister disk, and an FPC soft row respectively matched with the two rows of battery cells is installed on the upper end of the blister disk, and voltage and temperature collection functions are provided through the FPC soft row, and series aluminum rows are evenly spaced and fixed on the blister disk, and the series aluminum rows connect single battery cell poles into groups, high-voltage bases are respectively provided at both ends of the battery module, and a bus is connected to the high-voltage base, and the bus constitutes the output pole of the battery module.

[0007] Preferably, the positioning gap between the battery cell pole and the bottom of the blister tray is 0.5 mm.

[0008] Preferably, the FPC flexible row, bus bar and blister tray together constitute the CCS structure of the battery module.

[0009] Preferably, the busbar is bent into a Z-shaped structure by stamping, and the busbar is fixed to the high-voltage base by longitudinal through screws after being clamped together.

[0010] Preferably, the busbars correspond to the positions of one of the battery cell poles respectively, and the busbars are fixed to the blister tray by riveting.

[0011] Preferably, four busbars and four high-voltage bases are provided respectively, and the one-way gap between the busbars and the high-voltage base is 0.5 mm.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the CCS positioning structure applied to the battery module is precisely positioned by the blister disk, and the positioning gap between the output pole bus and the high-voltage base is used as the rough positioning to jointly limit the position, which is simpler in structure, has high material utilization rate, and reduces the design difficulty of other components. The CCS positioning structure applied to the battery module has a great cost advantage due to its structural simplicity. At the same time, the positioning method is not only simple, but also more accurate, which makes the operation more convenient during production and can improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the cell arrangement structure of a CCS positioning structure applied to a battery module of the utility model;

[0014] Figure 2 This is a structural schematic diagram of a CCS positioning structure applied to a battery module of the utility model;

[0015] Figure 3 This is a schematic diagram of a CCS positioning structure FPC soft row structure applied to a battery module of the utility model;

[0016] Figure 4 This is a schematic diagram of a CCS positioning structure connected in series with aluminum bars for a battery module according to the utility model;

[0017] Figure 5 This is a schematic diagram of a CCS positioning structure busbar structure applied to a battery module of the utility model;

[0018] Figure 6 This is a schematic diagram of a high-voltage base structure of a CCS positioning structure applied to a battery module of the utility model;

[0019] Figure 7 This is a schematic diagram of a CCS positioning structure blister tray structure applied to a battery module of the utility model;

[0020] Figure 8 The utility model is a schematic diagram of the position structure of the battery cell pole relative to the blister disk of the CCS positioning structure applied to the battery module.

[0021] In the figure: 1. Battery module; 2. Battery cell; 201. Battery cell pole; 3. FPC soft row; 4. Series aluminum row; 5. Bus bar; 6. High-voltage base; 7. Blister tray; 701. Limit hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-8The utility model provides a technical solution: a CCS positioning structure applied to a battery module, comprising a battery module 1, wherein two rows of battery cells 2 arranged in parallel are arranged in the battery module 1, and a battery cell pole 201 is installed on the battery cell 2, and a blister plate 7 is provided on the upper end cover of the battery module 1, and a limiting hole 701 corresponding to the position of the battery cell pole 201 is opened on the blister plate 7, and an FPC soft row 3 respectively matched with the two rows of battery cells 2 is installed on the upper end of the blister plate 7, and the voltage and temperature collection functions are provided through the FPC soft row 3, and the blister plate 7 is also evenly spaced and fixed with series aluminum rows 4, and the series aluminum rows 4 connect the single battery cells. The poles 201 are grouped, and the positioning gap between the battery poles 201 and the bottom of the blister plate 7 is 0.5mm. This structure enables the blister plate 7 to form a precise positioning structure through the limiting holes 701 and the battery poles 201, and perform preliminary positioning in the X and Y directions. High-voltage bases 6 are respectively provided at both ends of the battery module 1, and the high-voltage base 6 is connected to a bus 5. The bus 5 is bent into a Z-shaped structure by stamping, and the bus 5 is fixed to the high-voltage base 6 by longitudinal through screws after being clamped. This structure can position the bus 5 through the high-voltage base 6, and the bus 5 and the high-voltage base 6 are longitudinally fixed. The spacing can be adjusted to achieve the angular positioning of CCS on the XY plane. The busbars 5 correspond to the positions of one of the battery cell poles 201, and the busbars 5 and the blister tray 7 are also riveted and fixed. This structure constitutes the output pole of the battery module 1 through the busbars 5. The busbars 5 are used to collect power and distribute current to multiple downstream circuits or devices. The blister tray 7 is fixed to the busbars 5 to position the busbars 5, and the blister tray 7 is fixed to the high-voltage base 6 through the connection between the busbars 5 and the high-voltage base 6, thereby realizing the cover fixation of the blister tray 7, and the busbars 5 constitute the battery module 1. The output pole, FPC soft row 3, bus 5 and blister disk 7 together constitute the CCS structure of the battery module 1. This structure allows the installation between the CCS and the battery module 1 to be positioned through the blister disk 7. Four busbars 5 and four high-voltage bases 6 are respectively provided, and the unidirectional gap between the busbar 5 and the high-voltage base 6 is 0.5mm. The positioning gap between the busbar 5 and the high-voltage base 6 of the output pole of this structure is used as a rough positioning. Through the combined limiting of rough positioning and fine positioning, the structure is simpler and the material utilization rate is high. At the same time, the design difficulty of other components is reduced, the production efficiency is higher, and it has a great cost advantage.

[0024] Working principle: When using the CCS positioning structure applied to the battery module, first, the two rows of battery cells 2 arranged side by side in the battery module 1 are connected in groups through the series aluminum bus 4 to connect the battery cell poles 201. The blister plate 7 corresponds to the battery cell poles 201 through the limiting holes 701, and the precise positioning is performed through the 0.5mm positioning gap between the blister plate 7 and the battery cell poles 201 to achieve preliminary positioning in the X and Y directions. The FPC soft bus 3 is installed on the blister plate 7 to provide voltage and temperature collection functions for the battery module 1. The bus 5 is fixed on the blister plate 7, and the bus 5 is fixed to the high-voltage base 6 with screws. The rough positioning is performed through the 0.5mm gap between the bus 5 and the high-voltage base 6 to achieve the angle positioning of the CCS on the XY plane, and the installation positioning of the battery module 1 and the CCS are achieved, thereby completing a series of tasks.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A CCS positioning structure applied to a battery module, comprising a battery module (1), characterized in that: The battery module (1) is provided with two rows of battery cells (2) arranged in parallel, and the battery cells (2) are provided with battery cell poles (201). The upper end cover of the battery module (1) is provided with a blister disk (7), and the blister disk (7) is provided with a limiting hole (701) corresponding to the position of the battery cell pole (201). The upper end of the blister disk (7) is provided with an FPC soft row (3) respectively matched with the two rows of battery cells (2), and the FPC soft row (3) provides voltage and temperature collection functions. The blister disk (7) is also evenly spaced and fixed with series aluminum bars (4), and the series aluminum bars (4) are connected to a single battery cell pole (201) to form a group. High-voltage bases (6) are respectively provided at both ends of the battery module (1), and a bus bar (5) is connected to the high-voltage base (6), and the bus bar (5) constitutes the output pole of the battery module (1).

2. The CCS positioning structure applied to a battery module according to claim 1, characterized in that: The positioning gap between the battery cell pole (201) and the bottom of the blister plate (7) is 0.5 mm.

3. The CCS positioning structure applied to a battery module according to claim 1, characterized in that: The FPC soft row (3), the bus bar (5) and the blister plate (7) together form the CCS structure of the battery module (1).

4. The CCS positioning structure applied to a battery module according to claim 1, characterized in that: The busbar (5) is bent into a Z-shaped structure by punching, and the busbar (5) is clamped with the high-voltage base (6) and fixed by longitudinal through screws.

5. The CCS positioning structure applied to a battery module according to claim 1, characterized in that: The busbars (5) respectively correspond to the positions of one of the battery cell poles (201), and the busbars (5) and the blister plate (7) are also riveted and fixed.

6. The CCS positioning structure applied to a battery module according to claim 1, characterized in that: Four of the busbars (5) and four of the high-voltage bases (6) are provided, and a one-way gap between the busbars (5) and the high-voltage base (6) is 0.5 mm.

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