CN219658902U

CN219658902U - Separator and battery CCS assembly comprising same

Info

Publication number: CN219658902U
Application number: CN202320784191.XU
Authority: CN
Inventors: 沈晓宇; 陶岗; 梁甫兵
Original assignee: Huzhou Dongni New Energy Co ltd
Current assignee: Huzhou Dongni New Energy Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-09-08
Anticipated expiration: 2033-04-11

Abstract

A partition board and a battery CCS assembly formed by the partition board belong to the technical field of design and manufacture of new energy battery CCS assemblies, and the partition board comprises a plastic substrate sheet, wherein the plastic substrate sheet is divided into a plurality of aluminum row areas and FPCA areas, a plurality of sides of the aluminum row areas are provided with channels passing through the aluminum row areas, and the channels and the sides are sketched to form a convex membrane; the first plane where the convex membrane is positioned is parallel to the second plane where the bottom surface of the aluminum row area is positioned after the plastic substrate sheet is subjected to plastic suction treatment. The physical buckle formed by injection molding on the isolation plate is adjusted to be a plastic sucking forming elastic lug so as to realize the clamping of the aluminum plate.

Description

Separator and battery CCS assembly comprising same

Technical Field

The utility model belongs to the technical field of design and manufacture of new energy battery CCS assemblies, and particularly relates to a new energy battery CCS assembly and a partition plate used by the new energy battery CCS assembly.

Background

The isolation board applied to the existing CCS assembly adopts a serial aluminum row, an output electrode aluminum row and an acquisition circuit board which are carried by rivet positioning, and the rivet is pressed and fixed through a thermal riveting process.

The technology has the defects that a high Wen Fangshi hot-melt rivet is adopted in the hot riveting process, the electric power required by a hot press head is high, the energy consumption is high, the efficiency is low, and the investment of customized equipment is large.

In order to solve the technical problem in the prior art, a person skilled in the art is constantly dedicated to research and development of the technology, such as in a CCS assembly and a battery pack with publication number CN218472233U, a clamping protrusion is provided on the bracket body, and the connector is clamped on the bracket body through the clamping protrusion to overcome the problem in the prior art. But the joint protrusion on the support body is injection moulding in this kind of technical scheme, and its is with high costs, and production speed is slow, and the support body is the sheet product easily leads to connecting portion unable shaping in injection moulding moreover.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art, and the clamping of the aluminum plate is realized by adjusting the physical buckle formed by injection molding on the isolation plate into the plastic-sucking elastic lug.

In order to achieve the technical purpose, the following technical scheme is provided for realizing:

in a first aspect, a partition board is provided, including a plastic substrate sheet, wherein the plastic substrate sheet is divided into a plurality of aluminum row areas and an FPCA area, a plurality of sides of the aluminum row areas are provided with channels passing through the aluminum row areas, and the channels and the sides outline to form a convex membrane; the first plane where the convex membrane is positioned is parallel to the second plane where the bottom surface of the aluminum row area is positioned after the plastic substrate sheet is subjected to plastic suction treatment.

In an embodiment, the aluminum row region includes an open region communicating with the FPCA region through a passage, and a through hole is formed in a center of a bottom surface of the open region.

In an embodiment, the open area has at least three raised patches, at least one of which is located on the opposite side of the channel; two of which are located on either side of the channel.

In an embodiment, the aluminum row area further includes a closed area connected to the open area with a connecting edge between the open area and the closed area.

In an embodiment, a through hole is provided in the center of the bottom surface of the closed region.

In an embodiment, the closed region has at least two raised membranes, one on each side of the two ends of the connected edge.

At least three protruding diaphragms of open area and at least two protruding diaphragms of closed area cooperate together to realize the omnidirectional fixation to the aluminum sheet.

In an embodiment, the protruding diaphragm is rectangular in the first plane.

In an embodiment, the thickness of the plastic substrate sheet is 0.3mm to 0.8mm.

In a second aspect, a battery CCS assembly is provided, including any one of the separator plates of the first aspect, an aluminum row area of the separator plate is filled with aluminum row units, an FPCA module is disposed in an FPCA area of the separator plate, and the aluminum row units are connected in series through the FPCA module.

In an embodiment, the aluminum row units are connected on both sides of the FPCA module, wherein the connection points on the left side are staggered from the connection points on the right side. The aluminum row areas are uniformly distributed on two sides of the FPCA area, and channels on the left side of the FPCA area are staggered with channels on the right side of the FPCA area, so that staggered arrangement of aluminum row units on two sides is realized.

In an embodiment, a conductive member is disposed between the aluminum row unit and the FPCA module, the conductive member including a tab end welded to the aluminum row unit, and a wire end welded to the FPCA module.

In summary, the utility model has the following beneficial effects: the partition board is formed in a mode different from the conventional injection molding mode, the partition board is processed and formed by adopting a plastic sucking process, and the outline processing of the limit area is finished by adopting an auxiliary punching process.

In the CCS assembly aspect, the serial aluminum row and the output electrode aluminum row are fixed by adding a transverse bulge membrane in a local area, and the structure can be directly connected through an automatic device to fix the serial aluminum row and the output electrode aluminum row; the cost of the processing flow of the existing CCS assembly is reduced, and the processing efficiency is improved.

The staggered arrangement of the aluminum rows on two sides of the FPCA area realizes reasonable arrangement of the aluminum sheets, and avoids the reduction of voltage resistance among the aluminum sheets.

Therefore, the utility model removes the hot riveting process flow in the prior art and improves the fixing mode of the serial aluminum row and the output electrode aluminum row in the prior art.

Drawings

Fig. 1 is a schematic overall structure of the first embodiment;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a schematic overall structure of the fourth embodiment;

FIG. 4 is an enlarged schematic view at B in FIG. 3;

FIG. 5 is a schematic view of an installation structure of an aluminum busbar unit;

in fig. 1, 2, 3, 4, 5, 1 plastic substrate sheet, 2 aluminum row area, 3 channel, 4 bump diaphragm, 5 via, 6FPCA area, 7 aluminum row unit, 8FPCA module, 9 via, 21 open area, 22 closed area, 23 channel, 24 connected side.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1 and 2, a partition board comprises a plastic substrate sheet 1, wherein the plastic substrate sheet 1 is divided into a plurality of aluminum row areas 2 and an FPCA area 6, a plurality of sides of the aluminum row areas 2 are provided with grooves 3 passing through the aluminum row areas 2, and the grooves 3 and the sides outline to form a convex membrane 4; the first plane where the convex membrane 4 is positioned after the plastic substrate sheet 1 is subjected to plastic suction treatment is parallel to the second plane where the bottom surface of the aluminum row area 2 is positioned.

In this embodiment, it is first necessary to divide a plurality of aluminum row areas 2 and FPCA areas 6 on the plastic substrate sheet 1 in advance; and marking the position of the aluminum row area 2 where the protruding diaphragm 4 needs to be arranged, and then forming a channel 3 to outline the protruding diaphragm 4, wherein the first plane where the protruding diaphragm 4 is positioned is parallel to the second plane where the bottom surface of the aluminum row area 2 is positioned through plastic suction treatment, namely the first plane and the second plane are different planes.

In this embodiment, the aluminum row area 2 includes an open area 21 communicating with the FPCA area 6 through a passage 23, and a through hole 5 is opened at the center of the bottom surface of the open area 21. Preferably, the through holes 5 are circular holes.

In this embodiment, the open area 21 has three raised membranes 4, one on each side opposite the channel 23; with the remaining two sheets being located on either side of the channel 23.

In this embodiment, the aluminum row area 2 further includes a closed area 22 connected to the open area 21, with a connecting edge 24 between the open area 21 and the closed area 22.

In this embodiment, the center of the bottom surface of the closed region 22 is provided with a through hole 5. Preferably, the through holes 5 are circular holes.

In this embodiment, the closed region 22 has two raised membranes 4, one on each side of the two ends of the connecting edge 24.

In this embodiment, the protruding diaphragm 4 is rectangular in the first plane.

In the present embodiment, the thickness of the plastic substrate sheet 1 is 0.3mm. In the second embodiment, the thickness of the plastic substrate sheet 1 is 0.8mm. In the third embodiment, the thickness of the plastic substrate sheet 1 is 0.5mm.

In the fourth embodiment, as shown in fig. 3 and fig. 4, a battery CCS assembly includes a separator according to any one of the first embodiment, the second embodiment and the third embodiment, in which an aluminum row area 2 of the separator is filled with aluminum row units 7, an FPCA module 8 is disposed in an FPCA area 6 of the separator, and the aluminum row units 7 are connected in series through the FPCA module 8.

In this embodiment, the aluminum row regions are uniformly distributed on both sides of the FPCA region, and the channels on the left side of the FPCA region are staggered with the channels on the right side of the FPCA region. Preferably, the channels on the left side of the FPCA region are aligned with the occluded regions on the right side of the FPCA region; while the occluded region to the left of the FPCA region is aligned with the channel to the right of the FPCA region. In another embodiment, the channels to the left of the FPCA region and the channels to the right of the FPCA region are merely on different lines.

In this embodiment, a conductive member 9 is provided between the aluminum row unit 7 and the FPCA module 8, and the conductive member 9 includes a tab end welded to the aluminum row unit 7 and a wire end welded to the FPCA module 8.

In the embodiment, the aluminum row unit 7 is embedded into the aluminum row area 2 by an auxiliary installation tool, and the auxiliary tool firstly jacks up the convex membrane 4 on one side edge of the aluminum row area 2 as shown in fig. 5; preferably, the aid lifts up the raised membrane 4 on the opposite side of the channel 23 in the aluminum row area 2. The aluminum row unit 7 is firstly inserted into the channel 23 and the side edge bulge membrane 4 at the side of the channel 23, then the aluminum row unit 7 at the other side is pressed down, finally an auxiliary tool is drawn out, and the jacked bulge membrane 4 automatically resets to clamp the aluminum row unit 7.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The isolation board comprises a plastic substrate sheet (1), and is characterized in that the plastic substrate sheet (1) is divided into a plurality of aluminum row areas (2) and FPCA areas (6), a plurality of sides of the aluminum row areas (2) are provided with channels (3) passing through the aluminum row areas (2), and the channels (3) and the sides are sketched to form a convex membrane (4); after the plastic substrate sheet (1) is subjected to plastic suction treatment, a first plane where the protruding membrane (4) is located is parallel to a second plane where the bottom surface of the aluminum row area (2) is located.

2. A spacer plate according to claim 1, wherein the aluminum row area (2) comprises an open area (21) communicating with the FPCA area (6) through a channel (23), and a through hole (5) is provided in the bottom center of the open area (21).

3. A spacer according to claim 2, wherein said open area (21) has at least three of said raised membrane sheets (4), at least one of which is located on the opposite side of said channel (23);

two of which are located on either side of the channel (23).

4. A separator according to claim 2 or 3, characterized in that the aluminium row area (2) further comprises a closed area (22) connected to the open area (21), the open area (21) and the closed area (22) having a connecting edge (24) therebetween.

5. A spacer according to claim 4, wherein the centre of the bottom surface of the closed area (22) is provided with the through hole (5).

6. A spacer according to claim 5, wherein said closed area (22) has at least two said protruding membranes (4) located on said sides at each end of said connecting edge (24).

7. A spacer according to claim 6, wherein the thickness of the plastic substrate sheet (1) is 0.3mm to 0.8mm.

8. A battery CCS assembly, comprising a separator according to any one of claims 1 to 7, wherein said aluminum row region (2) of said separator is filled with aluminum row units (7), said FPCA region (6) of said separator is provided with FPCA modules (8), said aluminum row units (7) being connected in series by said FPCA modules (8).

9. A battery CCS assembly according to claim 8, characterized in that said aluminum row units (7) are connected on both sides of said FPCA module (8), wherein the connection points on the left side are offset from said connection points on the right side.

10. A battery CCS assembly according to claim 9, characterized in that a conducting member (9) is arranged between the aluminium row unit (7) and the FPCA module (8), said conducting member (9) comprising a tab end welded to the aluminium row unit (7) and a wire end welded to the FPCA module (8).