Search

CN-224204296-U - Busbar integrated component, battery module and battery pack

CN224204296UCN 224204296 UCN224204296 UCN 224204296UCN-224204296-U

Abstract

The utility model discloses a busbar integrated assembly, a battery module and a battery pack, wherein the busbar integrated assembly comprises a tray, busbars, FPC boards, fixing plates and fixing pieces, the busbars are fixed on the tray, the FPC boards are positioned on one sides of the busbars and are fixed on the tray, the FPC boards are electrically connected with the busbars, the fixing plates are positioned on one sides of the busbars, which are far away from the tray, one ends of the fixing plates are rotatably connected with the tray, the fixing pieces fix the fixing plates on the tray, and an acquisition assembly of the FPC boards is mounted on the fixing plates. According to the utility model, through the structural arrangement of the fixing plate, when the bus bars are welded, the fixing plate can be turned over to weld the bus bars, so that the normal welding of the bus bars is ensured, the connectors can be fixedly connected, the assembly is simple, the reliability is high, and the large-scale production is convenient.

Inventors

  • LI QIANQIAN
  • ZHANG CHENGUANG

Assignees

  • 上海轩邑新能源发展有限公司

Dates

Publication Date
20260505
Application Date
20250522

Claims (10)

  1. 1. The busbar integrated assembly comprises a tray (11), busbars (12) and FPC (flexible printed circuit) boards (13), and is characterized by further comprising a fixing plate (14), wherein the busbars (12) are fixed on the tray (11), the FPC boards (13) are located on one sides of the busbars (12) and are fixed on the tray (11), the FPC boards (13) are electrically connected with the busbars (12), the fixing plate (14) is located on one side, away from the tray, of the busbars (12) and one ends of the fixing plate (14) are rotatably connected with the tray (11), and an acquisition assembly of the FPC boards (13) is mounted on the fixing plate (14).
  2. 2. The busbar assembly according to claim 1, wherein the tray (11) has a strip structure, a rim (111) perpendicular to the tray (11) is integrally formed on one side in the length direction of the tray (11), the FPC board (13) is fixed on the rim (111) by a riveting process, the FPC board (13) has a folded rim perpendicular thereto, and nickel sheets are provided on the folded rim and electrically connected with the busbar (12).
  3. 3. The busbar assembly according to claim 2, wherein a rotating shaft (112) is provided on a side of the tray (11) near the edge (111), and a shaft sleeve (141) is provided on the fixing plate (14), and the shaft sleeve (141) is connected with the rotating shaft (112) in a rotating fit manner.
  4. 4. The busbar integrated assembly according to claim 1, further comprising a plastic rivet (15), wherein the fixing plate (14) is provided with a mounting hole (142), the busbar (12) covered by the fixing plate (14) is also provided with a via hole (121) coaxially arranged with the mounting hole (142), the tray (11) is provided with a through hole (113) coaxially arranged with the via hole (121), and the plastic rivet (15) sequentially penetrates through the mounting hole (142), the via hole (121) and the through hole (113) to fixedly connect the fixing plate (14) with the tray (11).
  5. 5. The busbar assembly of claim 1, further comprising an output electrode busbar (16), wherein the output electrode busbar (16) is secured to the tray (11) and electrically connected to the FPC board (13).
  6. 6. The busbar assembly according to claim 1, wherein the collection assembly of the FPC board (13) includes a connector (131) and a collection member (132) that are integrated together, a rivet (143) is provided on the fixing board (14), a receptacle (1321) that is adapted to the rivet (143) is provided on the collection member (132), and the rivet (143) extends into the receptacle (1321) and is fixed to the collection member (132) by hot riveting.
  7. 7. The busbar assembly according to claim 2, wherein the tray (11) is provided with mounting grooves (114) at intervals along the length direction thereof, and the busbar (12) is clamped in the mounting grooves (114).
  8. 8. Battery module, characterized in that it comprises a busbar assembly (1) according to any one of claims 1 to 7.
  9. 9. The battery module of claim 8, further comprising a plurality of battery cells (2) and two end plates (3), wherein the battery cells (2) are arranged side by side to form a battery pack, a heat insulation pad (4) is arranged between any two adjacent battery cells (2) and is bonded with the two adjacent battery cells (2), the two end plates (3) are respectively arranged on two sides of the width direction of the battery pack, foam (5) is bonded on one side, facing the battery cells (2), of the end plates (3) and is bonded with the battery cells (2), the number of the bus bar integrated assemblies (1) is two, and the two bus bar integrated assemblies (1) are respectively assembled on two sides of the length direction of the battery pack.
  10. 10. A battery pack, characterized in that it comprises the battery module according to claim 8 or 9.

Description

Busbar integrated component, battery module and battery pack Technical Field The utility model relates to the technical field of batteries, in particular to a busbar integrated assembly, a battery module and a battery pack. Background In order to improve the energy density of the battery pack, various enterprises have introduced a large module and CTP (Cell to Pack) technical scheme, and the CTP scheme of the blade battery is one of the main technical paths. Because the pole of blade battery sets up in the both sides of battery, need carry out the welding and the sampling of busbar in the side, this assembly degree of difficulty that has increased the battery package, and the requirement to production technology is higher. The current busbar integrated package structure is usually the assembly of tray, busbar and FPC board (flexible circuit board Flexible Printed Circuit, abbreviated as FPC), and FPC board and busbar parallel arrangement are on the tray, and the FPC board is located the upper end or the lower extreme of busbar, and nickel piece and the busbar welding on the FPC board are in the same place to gather the voltage and the temperature signal data of battery. However, when the Y, Z-direction space of the battery pack is limited and the bus bar needs to meet the larger overcurrent capacity, the integrated structure is not suitable for the reason that 1, when the bus bar needs to meet the larger overcurrent capacity, the size of the bus bar is necessarily increased, and the Z-direction space of the battery pack is insufficient, so that the FPC board cannot be arranged on the tray in parallel with the bus bar, and 2, because the Y, Z-direction space of the battery pack is insufficient, the connector of the FPC board can only be arranged in the X direction, and the connector interferes with a bus bar welding tool to influence the welding of the bus bar. How to ensure the welding of the bus bar and the battery pole, and not to influence the collection of battery signals and the fixation of connectors at the same time is a problem that needs to be considered in the design of the battery pack. Disclosure of utility model Based on the above, the utility model aims to provide a busbar integrated assembly, a battery module and a battery pack, which can ensure the welding of a busbar and a battery pole, and also do not influence the acquisition of battery signals and the fixation of a connector. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a busbar integrated assembly which further comprises a fixing plate and fixing pieces, wherein the busbars are fixed on a tray side by side, an FPC board is located on one side of each busbar and is fixed on the tray, the FPC board is electrically connected with each busbar, the fixing plate is located on one side, away from the tray, of each busbar, one end of the fixing plate is rotatably connected with the tray, the fixing pieces fix the fixing plates on the tray, and an acquisition assembly of the FPC board is mounted on the fixing plates. As a further improvement of the scheme, the tray is of a strip-shaped structure, one side of the length direction of the tray is integrally formed with a rim vertical to the tray, the FPC board is fixed on the rim through a riveting process, the FPC board is provided with a turnover edge vertical to the FPC board, and nickel sheets are arranged on the turnover edge and electrically connected with the bus bars. In order to avoid buckling deformation of the turning edge of the FPC board, the FPC board is riveted on the tray by adopting a riveting process. As a further improvement of the scheme, a rotating shaft is arranged on one side, close to the edge, of the tray, and a shaft sleeve is arranged on the fixing plate and is in rotating fit connection with the rotating shaft. As a further improvement of the scheme, the busbar integrated assembly further comprises a plastic rivet, the fixing plate is provided with a mounting hole, the busbar covered by the fixing plate is also provided with a via hole coaxially arranged with the mounting hole, the tray is provided with a through hole coaxially arranged with the via hole, and the plastic rivet sequentially penetrates through the mounting hole, the via hole and the through hole to fixedly connect the fixing plate with the tray. As a further improvement of the above aspect of the present utility model, the busbar assembly further includes an output electrode busbar, and the output electrode busbar is fixed on the tray and electrically connected to the FPC board. As a further improvement of the scheme, the acquisition assembly of the FPC board comprises an acquisition piece and a connector which are integrated together, the fixed board is provided with a riveting column, the acquisition piece is provided with a jack matched with the riveting column, and the riveting column stretches into the jack and is fi