CN219017876U

CN219017876U - Novel integrated CCS assembly and battery module thereof

Info

Publication number: CN219017876U
Application number: CN202223473772.6U
Authority: CN
Inventors: 陈睿; 王楠
Original assignee: Lishen Qingdao New Energy Co Ltd
Current assignee: Lishen Qingdao New Energy Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-12
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of power batteries, in particular to a novel integrated CCS (battery control system) component and a battery module thereof, comprising a busbar, an FFC component and an NTC component, wherein the busbar is welded on two sides of the FFC component, the NTC component is glued on the FFC component through heat conduction, the novel integrated CCS component further comprises an upper PET insulating film and a lower PET insulating film, and the busbar, the FFC component and the NTC component are clamped in the middle by the upper PET insulating film and the lower PET insulating film and then are connected together through a plastic buckle. The device replaces the injection molding workpiece of the original module, adopts the PET insulating film, can effectively avoid the risk of puncturing the battery cell due to the breakage of the plastic workpiece in the extrusion and collision test, and has the advantages of simple structure, scientific design and production cost reduction.

Description

Novel integrated CCS assembly and battery module thereof

Technical Field

The utility model relates to the technical field of power batteries, in particular to a novel integrated CCS assembly and a battery module thereof.

Background

The battery module, also called battery device, is an energy storage unit of the power battery pack, and can facilitate subsequent installation and use by modularizing a plurality of electric cores. The battery module has the advantages of high power and stable voltage output, and is widely applied to various industries.

The battery module comprises a CCS component (a battery module collecting integrated piece), the CCS component is complex in structure and mainly comprises structural components such as a support frame and a busbar, wherein the support frame in the prior art adopts a plastic structure, an upper support frame and a lower support frame are manufactured through an injection molding process, and the CCS component manufactured through the structure is thicker, heavier and higher in cost.

Disclosure of Invention

In order to effectively solve the problems in the background art, the utility model provides a novel integrated CCS assembly and a battery module thereof.

The specific technical scheme is as follows;

the utility model provides a novel integrated form CCS subassembly, includes busbar, FFC subassembly and NTC subassembly, the busbar welding is in FFC subassembly both sides, NTC subassembly is in through the heat conduction is glued on the FFC subassembly, still includes PET insulating film and lower PET insulating film, goes up PET insulating film and lower PET insulating film will busbar, FFC subassembly and NTC subassembly clamp are in the middle the back links together with plastics buckle.

Preferably, through holes are respectively arranged at corresponding positions on the upper PET insulating film and the lower PET insulating film, and the plastic buckles penetrate through the through holes to fix the upper PET insulating film and the lower PET insulating film together.

Preferably, the front end of the plastic buckle is provided with a conical head, the front end of the plastic buckle is opened inwards from the middle of the conical head, and the middle of the plastic buckle is reduced in diameter.

Preferably, the plastic fastener is sleeved with a gasket.

Preferably, the FFC assembly is provided with FFC positioning holes.

Preferably, the NTC component is provided with an NTC component positioning hole, and the lower PET insulating film is provided with an NTC component via hole.

Preferably, the busbar consists of a positive electrode copper aluminum composite bar, a negative electrode copper aluminum composite bar and a plurality of series aluminum bars.

The utility model provides a battery module, includes novel integrated form CCS subassembly, still includes electric core, end plate and curb plate will the electric core is fixed in the centre, and novel integrated form CCS subassembly is installed on the upper portion of electric core, electric core upper portion and the busbar welding that corresponds.

Preferably, the two end plates are respectively fixed with a positive output support and a negative output support, and are respectively connected with the corresponding positive copper-aluminum composite bars and the corresponding negative copper-aluminum composite bars.

Compared with the prior art, the utility model has the beneficial effects that: the device replaces the injection molding workpiece of the original module, adopts the PET insulating film, can effectively avoid the risk of puncturing the battery cell due to the breakage of the plastic workpiece in the extrusion and collision test, has simple structure and scientific design, reduces the production cost, lightens the weight of the module, and improves the production efficiency of the production line and the energy density of a battery system.

Drawings

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a schematic view of a portion of the components of the present utility model;

FIG. 4 is an exploded view of a CCS assembly and module provided by the present utility model;

FIG. 5 is a schematic diagram of a CCS assembly and a modular assembly according to the present utility model.

Detailed Description

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

The following detailed description of the utility model refers to the accompanying drawings and preferred embodiments. As shown in fig. 1-5, a novel integrated CCS assembly comprises an upper PET insulating film 1, a busbar 2, an FFC assembly 3, an NTC assembly 4, a lower PET insulating film 5, and a plastic buckle 6;

the busbar 2 is fixed with the tool through the busbar positioning hole 7, prevents that the busbar from rocking left and right and up and down, guarantees simultaneously concentric with electric core position, makes things convenient for later stage and the perfect welding of utmost point post. The busbar 2 comprises a positive electrode copper aluminum composite row and a negative electrode copper aluminum composite row and a series aluminum row. The positive and negative copper-aluminum composite bars are subjected to stamping and bending processes, surface treatment and ultrasonic welding. The serial aluminum rows are subjected to a stamping process and surface treatment.

The FFC assembly 3 is matched with the tooling column through the FFC positioning 8, and meanwhile, the contact between the nickel sheet on the FFC and the busbar is ensured, and laser welding is performed. The FFC is a flexible flat cable, has functions similar to those of a conventional FPC, and is lower in cost. The aluminum row and the nickel sheet are subjected to stamping, welding, forming and surface treatment.

The NTC component 4 is arranged in a special position, the temperature difference between the middle part and the outside in the module is maximum, two temperature points are respectively arranged, and meanwhile, the temperature of the two-dimensional code in the middle of the battery cell is the most accurate. The lower PET insulating film is provided with holes through the NTC component positioning holes 9, the NTC is adhered to the FFC through the heat conduction structure, the FFC is compressed through the epoxy resin plate and foam, the hot melting column is fixed, and the structural strength of the NTC position and the accuracy of temperature test are guaranteed through the structure.

After the busbar 2, the FFC component 3 and the NTC component 4 are laminated with the upper PET insulating film 1, the busbar and the FFC component are perfectly attached to the lower PET insulating film 5 through a hot pressing process, and the FFC nickel sheet and the aluminum bar are connected through laser welding, so that the CCS component assembly is completed.

The utility model also discloses a battery module, which comprises a battery cell 10, an end plate 11 and a side plate 12, wherein the module is a standard module with the length of 590mm, the width of 225mm and the height of 108mm, and is suitable for most mainstream products at present. Further, the positive and negative electrode output support 13 on the upper part of the battery module end plate is matched with the positive and negative electrode copper-aluminum composite bars in the CCS component to output electric energy. On the premise that the assembly of the lower frame of the module is completed, the aluminum row is sucked up through the sucker, is matched with the positioning hole of the battery core pole, falls to the position, and is finally welded and fixed. The mode is convenient to install, reduces error rate and improves production efficiency.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a novel integrated form CCS subassembly, includes busbar, FFC subassembly and NTC subassembly, the busbar welding is in FFC subassembly both sides, NTC subassembly is in through the heat conduction is glued on the FFC subassembly, its characterized in that: the bus bar, the FFC component and the NTC component are clamped in the middle and then connected together through plastic buckles.

2. The novel integrated CCS assembly as claimed in claim 1, wherein through holes are formed at corresponding positions of said upper and lower PET insulating films, respectively, and plastic snaps pass through said through holes to fix said upper and lower PET insulating films together.

3. The novel integrated CCS assembly according to claim 2, wherein said plastic clip has a front end with a tapered head, an opening inwardly from a middle of said tapered head, and a reduced diameter in said plastic clip.

4. The novel integrated CCS assembly as recited in claim 3, wherein said plastic clip is sleeved with a gasket.

5. The novel integrated CCS assembly as recited in claim 1, wherein said FFC assembly is provided with FFC locating holes.

6. The novel integrated CCS assembly as recited in claim 1, wherein said NTC assembly has NTC assembly locating holes formed therein and said lower PET insulating film has NTC assembly vias formed therein.

7. The novel integrated CCS assembly according to claim 1, wherein said buss bar is comprised of positive and negative copper aluminum composite bars and a plurality of series aluminum bars.

8. A battery module comprising the novel integrated CCS assembly of any one of claims 1-7, wherein: still include electric core, end plate and curb plate will the electric core is fixed in the centre, and novel integrated form CCS subassembly is installed on the upper portion of electric core, electric core upper portion and the busbar welding that corresponds.

9. The battery module according to claim 8, wherein: positive and negative output supports are respectively fixed on the two end plates and are respectively connected with the corresponding positive and negative copper-aluminum composite bars.