Battery information acquisition busbar
By integrating the control board and CCS assembly into one unit, and adopting a combination structure of blister bracket, FPC acquisition board, mica board and aluminum busbar, the problems of complex connection and large space occupation in the battery pack are solved, thereby improving production efficiency and cost.
Patent Information
- Application Number
- CN202423314315.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-31
AI Technical Summary
In existing battery packs, the connection method of the integrated busbar is complicated, costly, and requires a lot of space, resulting in a high overall weight and making it difficult to meet space and cost control requirements.
The control board and CCS assembly will be integrated into one unit, using a combination structure of vacuum-formed bracket, FPC acquisition board, mica plate and aluminum busbar, and fixed by nickel sheet connection and UV sealant to achieve the integration of the control board and CCS assembly.
It reduced production time, decreased the internal space occupied by the PACK, improved layout space, and achieved the goal of reducing costs and increasing efficiency.
Smart Images

Figure CN223911686U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to new energy power battery technical field, concretely relates to a battery information acquisition busbar. BACKGROUND
[0002] With the development of new energy technology, new energy technology is widely applied, and battery pack as an important part of new energy technology ensures the safety during use of battery pack, which becomes an important problem. In the prior art, the voltage and temperature of the battery are generally collected by using an integrated busbar (cells contact system, CCS for short) assembly, and the collected voltage and temperature information is sent to a battery monitoring unit to detect the voltage and temperature of the battery, thereby reducing the risk of fire of the battery.
[0003] The current conventional integrated scheme is an integrated busbar, and a connector is welded or inserted on the FPCA to connect a slave control board outside the module in a wire harness switching or direct insertion mode. The connection mode is complex, the cost is high, the space requirement of PACK arrangement is large, and the high weight of the whole pack caused by the large number of materials requires high control of space and cost. SUMMARY
[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a battery information acquisition busbar, which integrates the slave control board and the CCS assembly, reduces the production time of the client and the manufacturing end, reduces the space occupation of the client PACK, improves the arrangement space, and achieves the purpose of reducing cost and increasing efficiency.
[0005] The utility model discloses a battery information acquisition busbar, including the suction plastic support, FPC collection board, mica plate, slave control board and a plurality of aluminum row, the upper surface of suction plastic support is equipped with strip placement groove and a plurality of aluminum row placement groove, FPC collection board is fixed in the strip placement groove, the aluminum row placement groove sets up in the both sides of strip placement groove, the aluminum row is fixed in the aluminum row placement groove respectively, and FPC collection board both sides aluminum row all are connected with FPC collection board electric property, the mica plate is fixed in the suction plastic support and is connected with one end of FPC collection board, the slave control board is fixed with mica plate in suction plastic support, and the slave control board sets up in the upper of mica plate and is connected with FPC collection board.
[0006] Further, the bottom end face of the suction plastic support is also provided with an injection molding support, the upper end face of the injection molding support is provided with a plurality of circular rivet columns and a plurality of boss rivet columns, and the circular rivet columns and the boss rivet columns extend out of the upper end face of the suction plastic support.
[0007] Further, the mica plate comprises a first mica plate and a second mica plate, the first mica plate is clamped between the circular hot riveting columns and located on the upper end surface of the aluminum row, the second mica plate is clamped between the boss hot riveting columns and located above the first mica plate, the slave board is provided with a plurality of reserved positioning holes corresponding to the boss hot riveting column, and the slave board is fixed to the boss hot riveting column through the reserved positioning hole and located above the second mica plate.
[0008] Further, the aluminum row and the FPC collection plate are connected through a nickel sheet.
[0009] Further, the strip-shaped placement groove is provided with a plurality of first limiting columns, and the FPC collection plate is fixed in the strip-shaped placement groove through the first limiting column.
[0010] Further, the aluminum row placement groove is provided with a plurality of second limiting columns, and the aluminum row is fixed in the aluminum row placement groove through the second limiting column.
[0011] Further, the surface of the connection between the FPC collection plate and the slave board is provided with a welding spot, and the welding spot is coated with UV sealant.
[0012] Further, the connection between the FPC collection plate and the slave board is provided with a positioning hole for positioning the FPC collection plate and the slave board.
[0013] The beneficial effects of the utility model lie in that the collection busbar is integrated with the slave board and the CCS assembly, reduces the production time of the client and the manufacturing end, reduces the internal space occupation of the client PACK, improves the layout space, and achieves the purpose of reducing cost and increasing efficiency. ACCOUT OF DRAWINGS
[0014] Figure 1 It is the perspective view of the utility model;
[0015] Figure 2 It is the exploded view of the utility model;
[0016] Figure 3 It is the local structure schematic view of the utility model;
[0017] Figure 4 It is Figure 3 the exploded view of the local structure;
[0018] Figure 5 It is the exploded view of another local structure of the utility model;
[0019] Figure 6 It is the exploded view of still another local structure of the utility model;
[0020] Figure 7It is the structure schematic view of the injection support of the utility model.
[0021] The figure mark is: 1 - blister support, 11 - strip placement groove, 12 - aluminum row placement groove, 13 - first limit post, 14 - second limit post, 2 - FPC collection board, 21 - nickel sheet, 22 - welding spot, 23 - positioning hole, 3 - mica plate, 31 - first mica plate, 32 - second mica plate, 4 - slave board, 41 - reserved positioning hole, 5 - aluminum row, 6 - injection support, 61 - round riveting column, 62 - boss riveting column. DETAILED DESCRIPTION
[0022] For the convenience of understanding of those skilled in the art, the following is combined with the embodiment and the attached Figures 1-7 Further description of the utility model, the content mentioned in the implementation is not limited to the utility model.
[0023] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element.
[0024] When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0025] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0026] In addition, the terms "first", "second" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.
[0027] In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.
[0028] See Figures 1-7The utility model provides a kind of battery information acquisition busbar, including blister support 1, FPC acquisition board 2, mica plate 3, slave board 4 and several aluminum row 5, the upper surface of blister support 1 is equipped with strip-shaped placement groove 11 and several aluminum row placement groove 12, FPC acquisition board 2 is fixed in strip-shaped placement groove 11, aluminum row placement groove 12 is arranged in the both sides of strip-shaped placement groove 11, aluminum row 5 is respectively fixed in aluminum row placement groove 12, and FPC acquisition board 2 both sides aluminum row 5 are electrically connected with FPC acquisition board 2, mica plate 3 is fixed in blister support 1 and is connected with one end of FPC acquisition board 2, slave board 4 is fixed in blister support 1 with mica plate 3, and slave board 4 is arranged in the upper of mica plate 3 and is connected with the FPC acquisition board 2;Aluminum row 5 and FPC acquisition board 2 are connected by nickel sheet 21.
[0029] The acquisition busbar of the embodiment reduces the production time of the client and the manufacturing end by integrating the slave board 4 with the CCS assembly, reduces the space occupation of the PACK of the client, improves the layout space, and achieves the purpose of reducing cost and increasing efficiency. The blister support 1 used in the embodiment has a simple molding process and low cost, can effectively fix the FPC acquisition board 2, the mica plate 3, the slave board 4 and the aluminum row 5; the position support bracket of the slave board 4 uses an injection support 6, which can locally improve the support force and avoid deformation of the slave board 4 and damage to the components when the slave board 4 is subjected to external force; the aluminum row 5 used in the embodiment is embedded in the aluminum row placement groove 12 on the blister support 1 and is used for series connection of battery cells and high-voltage overcurrent; the FPC acquisition board 2 is used for signal acquisition main body, the FPC wire is welded with temperature sensor and nickel sheet 21; the added mica plate 3 has fireproof, insulating and temperature-resistant capabilities, and improves the protection of the slave board 4.
[0030] In the embodiment, the bottom end surface of the blister support 1 is further provided with an injection support 6, the upper end surface of the injection support 6 is provided with a plurality of circular rivet columns 61 and a plurality of boss rivet columns 62, and the circular rivet columns 61 and the boss rivet columns 62 extend out of the upper end surface of the blister support 1.
[0031] In the embodiment, the mica plate 3 includes a first mica plate 31 and a second mica plate 32, the first mica plate 31 is clamped between the circular rivet columns 61 and located on the upper end surface of the aluminum row 5, the second mica plate 32 is clamped between the boss rivet columns 62 and located above the first mica plate 31, the slave board 4 is provided with a plurality of reserved positioning holes 41 corresponding to the boss rivet columns 62, and the slave board 4 is fixed to the boss rivet columns 62 through the reserved positioning holes 41 and located above the second mica plate 32.
[0032] The upper end face of the injection molded support 6 is provided with a circular riveting column 61 and a boss riveting column 62 in the embodiment, the injection molded support 6 is embedded into the suction molded support 1 from the bottom during assembly, the mica plate 3 is designed to avoid the boss riveting column 62, is sleeved into the circular riveting column 61 of the injection molded support 6 from the front and is riveted and fixed, and the slave control plate 4 is sleeved into the boss riveting column 62 of the injection molded support 6 and is fixed; the boss riveting column 62 can form a gap between the slave control plate 4 and the mica plate 3, and damage is caused by mutual friction.
[0033] In the embodiment, the strip-shaped placement groove 11 is provided with a plurality of first limiting columns 13, and the FPC collection plate 2 is fixed in the strip-shaped placement groove 11 through the first limiting columns 13.
[0034] In the embodiment, the aluminum strip placement groove 12 is provided with a plurality of second limiting columns 14, and the aluminum strip 5 is fixed in the aluminum strip placement groove 12 through the second limiting columns 14.
[0035] In the embodiment, the surface of the connection part of the FPC collection plate 2 and the slave control plate 4 is provided with a welding point 22, and the welding point 22 is coated with UV sealing glue; the connection part of the FPC collection plate 2 and the slave control plate 4 is provided with a positioning hole 23 for positioning the FPC collection plate 2 and the slave control plate 4, and the slave control plate 4 is designed with the welding point 22 and the positioning hole 23 for positioning and welding the FPC collection plate 2 and the slave control plate 4.
[0036] In the embodiment, the FPC collection plate 2 is pre-fixed on the welding area of the slave control plate 4 by using UV sealing glue, and then the welding point 22 is welded and conducted with the slave control plate 4 through the Hotbar mode; meanwhile, the surface of the welding point 22 is sealed by UV glue, so as to achieve waterproof and dustproof.
[0037] The above embodiment is a preferred implementation scheme of the utility model, in addition to this, the utility model can be realized in other modes, and any obvious replacement without departing from the concept of the utility model is within the protection scope of the utility model.
Claims
1. A battery information acquisition busbar, characterized in that: The device includes a vacuum forming bracket, an FPC acquisition board, a mica plate, a slave control board, and several aluminum busbars. The upper surface of the vacuum forming bracket is provided with a strip-shaped placement groove and several aluminum busbar placement grooves. The FPC acquisition board is fixed in the strip-shaped placement groove. The aluminum busbar placement grooves are located on both sides of the strip-shaped placement groove, and the aluminum busbars are respectively fixed in the aluminum busbar placement grooves. The aluminum busbars on both sides of the FPC acquisition board are electrically connected to the FPC acquisition board. The mica plate is fixed to the vacuum forming bracket and connected to one end of the FPC acquisition board. The slave control board is fixed to the vacuum forming bracket together with the mica plate, and the slave control board is located above the mica plate and connected to the FPC acquisition board.
2. The battery information acquisition busbar according to claim 1, characterized in that: The bottom surface of the blister pack is also provided with an injection molded bracket, and the upper surface of the injection molded bracket is provided with a number of circular hot riveting posts and a number of boss hot riveting posts. The circular hot riveting posts and the boss hot riveting posts all penetrate the blister pack and extend out of the upper surface of the blister pack.
3. The battery information acquisition busbar according to claim 2, characterized in that: The mica plate includes a first mica plate and a second mica plate. The first mica plate is clamped between the circular hot riveting posts and located on the upper end face of the aluminum strip. The second mica plate is clamped between the boss hot riveting posts and located above the first mica plate. The slave control plate is provided with a plurality of reserved positioning holes corresponding to the boss hot riveting posts. The slave control plate is fixed to the boss hot riveting posts through the reserved positioning holes and located above the second mica plate.
4. The battery information acquisition busbar according to claim 1, characterized in that: The aluminum busbar and the FPC acquisition board are both connected by nickel strips.
5. A battery information acquisition busbar according to claim 1, characterized in that: The strip-shaped placement slot is provided with a plurality of first limiting posts, and the FPC acquisition board is fixed in the strip-shaped placement slot by the first limiting posts.
6. The battery information acquisition busbar according to claim 1, characterized in that: The aluminum busbar placement groove has several second limiting posts, and the aluminum busbar is fixed in the aluminum busbar placement groove by the second limiting posts.
7. A battery information acquisition busbar according to claim 1, characterized in that: The surface of the connection between the FPC acquisition board and the slave control board is provided with solder joints, and the solder joints are coated with UV sealant.
8. A battery information acquisition busbar according to claim 1, characterized in that: The connection between the FPC acquisition board and the slave control board is provided with positioning holes for positioning the FPC acquisition board and the slave control board.