FPC protection structure for power battery CCS

Abstract

The utility model discloses an FPC protection structure used on a power battery CCS, comprising an isolation plate, the isolation plate is provided with an aluminum bar, the isolation plate is also provided with an FPC assembly, and the FPC assembly is correspondingly covered with a protection plate; a plurality of connecting blocks are arranged on the two outer side edges of the protection plate at intervals, supporting columns are arranged between the two connecting blocks, and inserting columns are formed on the sides, away from the FPC assembly, of the connecting blocks; through holes matched with the inserting columns are formed in the isolation plate, and the inserting columns are inserted into the through holes in a matched mode and connected with the through holes in a fastened mode. According to the utility model, the protection structure is arranged to carry out local protection on the FPC, so that the cell is prevented from being extruded during expansion, and the FPC is prevented from being damaged; according to the protection structure, the risk that the FPC is damaged in the assembling process can be avoided, and in the working process, the problem that the FPC is damaged due to the fact that the battery cell expands and extrudes the FPC to the upper cover of the battery is avoided, so that the structure can reduce scrapping and faults, and therefore it is guaranteed that the FPC can work stably.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of FPC protection structure, especially a kind of FPC protection structure for power battery CCS. BACKGROUND

[0002] CCS component is an important component of new energy power battery module, and its function is to collect and measure the voltage and temperature information of battery cell component. In the conventional design, FPC is not protected by anything, and the upper part of FPC is the upper cover of the battery. When the battery cell expands, if the distance between FPC and the upper cover is not large enough, FPC can be easily squeezed, which can cause damage to FPC.

[0003] Therefore, a structure for protecting FPC on a power battery is proposed to solve the above problems. SUMMARY

[0004] To solve the above technical problems, the utility model adopts the technical scheme: a kind of FPC protection structure for power battery CCS, including isolation plate, aluminum bar is installed on isolation plate, FPC component is also installed on isolation plate, the upper part of FPC component is covered with protection plate correspondingly;

[0005] To solve the above technical problems, the utility model adopts the technical scheme: a kind of FPC protection structure for power battery CCS, including isolation plate, aluminum bar is installed on isolation plate, FPC component is also installed on isolation plate, the upper part of FPC component is covered with protection plate correspondingly;

[0006] A plurality of connecting blocks are arranged on the two outer sides of the protection plate, and a support column is arranged between the two connecting blocks. The side of the connecting block away from the FPC component forms an insertion column.

[0007] A through hole is formed in the isolation plate and matched with the insertion column. The insertion column is matched and inserted into the through hole and tightly connected.

[0008] Preferably, an elongated slot is formed in the center of the protection plate, and a plurality of support blocks are symmetrically formed on the two sides of the elongated slot. The support blocks are one-to-one corresponding to the support columns and the connecting blocks.

[0009] Preferably, the connecting blocks on the two outer sides of the protection plate are staggered, and an insertion column is vertically formed at the center of the outer side of the connecting block. The end of the insertion column is bent and extended horizontally to form a clamping block.

[0010] Preferably, the connecting blocks and the support columns are horizontally extended outward along the outer side of the protection plate, and the bottom surface of the connecting blocks and the support columns is formed with a groove.

[0011] Preferably, the connecting blocks are connected to the isolation plate by the clamping block.

[0012] Preferably, the support columns and the connecting blocks are distributed at equal intervals, and the bottom surfaces of the support columns, the connecting blocks and the support blocks are respectively in contact with the isolation plate.

[0013] Preferably, the support blocks are formed by extending outward along the side edges of the elongated grooves.

[0014] Preferably, the protective plate is a plastic protective plate.

[0015] The utility model provides a kind of FPC protection structure for power battery CCS, and FPC is partially protected by setting protection structure, to prevent cell swelling is extruded, to avoid FPC is damaged;The protection structure can avoid the risk that FPC is damaged in the assembly process, and in the working process, since the problem that FPC is broken due to the expansion of battery upper cover to cause FPC to be extruded to battery is avoided, so the structure can reduce the occurrence of scrap and failure, to ensure that FPC can stably work. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model.

[0017] Figure 2 It is Figure 1 The exploded structure schematic diagram.

[0018] Figure 3 It is Figure 1 The local structure schematic diagram.

[0019] Figure 4 It is Figure 3 The exploded structure schematic diagram.

[0020] Figure 5 It is the fixed structure schematic diagram of protective plate.

[0021] In the drawing: 1, isolation plate;2, FPC assembly;3, aluminum bar;4, protective plate;11, through hole;41, support column;42, connecting block;43, insertion column;44, clamping block;45, elongated groove. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0023] As Figure 1 , Figure 2 A kind of FPC protection structure for power battery CCS shown in the drawing, including isolation plate 1, aluminum bar 3 is installed on isolation plate 1, FPC assembly 2 is also installed on isolation plate 1, the upper side of FPC assembly 2 is covered with protective plate 4;

[0024] (Injection) isolation plate: used to support the bar, support fixed aluminum bar and FPC assembly for;

[0025] Aluminum bar: used to achieve the electrical connection between the battery;

[0026] FPC assembly: the nickel sheet on the assembly is connected with each aluminum bar by ultrasonic welding to achieve electrical connection performance, and also to achieve voltage acquisition and temperature acquisition functions;

[0027] The protection plate 4 is a plastic protection plate. The plastic protection plate is used to protect the FPC assembly and avoid damage to it.

[0028] By setting the protection plate to protect the FPC assembly, it is avoided to be damaged by extrusion, thereby ensuring the stable work of the battery.

[0029] As preferred, as shown in Figure 3 The two outer sides of the protection plate 4 are both provided with a plurality of connecting blocks 42 at intervals, and a supporting column 41 is arranged between the two connecting blocks 42. The side of the connecting block 42 away from the FPC assembly is formed with an insertion column 43;

[0030] By setting the supporting column 41 and the connecting block 42, the FPC assembly is covered and protected, and at the same time, the FPC assembly has a certain distance from the upper cover, thereby avoiding damage to the FPC assembly.

[0031] In order to improve the stability, as shown in Figure 4 A through hole 11 matched with the insertion column is formed on the isolation plate 1, and the insertion column 43 is matched and tightly connected with the through hole. By setting the insertion column and inserting it into the through hole 11, the fastening connection of the protection plate and the isolation plate is realized.

[0032] Further, the center of the protection plate 4 is formed with an elongated groove 45, and a plurality of supporting blocks are symmetrically formed on the two side edges of the elongated groove 45. The supporting blocks are horizontally extended outward along the side edges of the elongated groove, and the supporting blocks correspond one by one to the supporting columns 41 and the connecting blocks 42.

[0033] By setting the supporting blocks corresponding one by one to the supporting columns 41 and the connecting blocks 42, the protection effect on the FPC assembly is enhanced, thereby effectively avoiding the extrusion of the FPC assembly.

[0034] In order to enhance the stability of the protection plate, as shown in Figure 5 The connecting blocks 42 on the two outer sides of the protection plate 4 are staggered, the outer side center of the connecting block 42 is vertically downwardly formed with an insertion column 43, and the end of the insertion column 43 is bent and extended horizontally to form a clamping block 44. The connecting block 42 is clamped and connected with the isolation plate 1 through the clamping block 44.

[0035] The protection plate is fixed with the isolation plate through the clamping block (snap structure), and some support structures, such as the connecting block, the supporting column, the support and the support block, are arranged on the protection plate and supported on the isolation plate, so that the protection plate and the FPC assembly are kept at a certain distance.

[0036] The connecting blocks on both sides of the protection plate are staggered, so that the connection with the isolation plate is improved, the stability is increased, and the FPC assembly is better protected.

[0037] Further, the connecting block 42 and the supporting column 41 are formed by extending horizontally along the outer side of the protection plate, and the bottom surfaces of the connecting block 42 and the supporting column 41 are formed with grooves. The supporting column 41 and the connecting block 42 are distributed at equal intervals, and the bottom surfaces of the supporting column 41, the connecting block 42 and the support block are respectively in contact with the isolation plate.

[0038] The support structures arranged on the side edges of the protection plate are supported on the isolation plate, so that the protection plate and the FPC assembly are kept at a certain distance, the FPC assembly is prevented from being damaged when directly contacting the battery upper cover or other parts, and the FPC assembly is protected.

[0039] The utility model discloses a kind of FPC protection structures for power battery CCS, when completing the assembly of isolation plate, FPC assembly and aluminum bar, finally, plastic protection plate is assembled again, protection plate is buckled together with isolation plate by clamping block, protection plate covers FPC assembly and is supported on isolation plate by some support structures, so that protection plate and FPC assembly will keep the distance of support structure height, when assembling battery pack, even if other objects fall on CCS, FPC assembly will not be damaged. In addition, when cell expands after assembly is completed, FPC assembly is not extruded, but protection plate and upper cover contact together, guarantee FPC assembly is not extruded, so that the effect of protecting FPC assembly is achieved.

[0040] The above embodiment is not a limitation of the utility model, and the utility model is not limited to the above examples, and changes, modifications, additions or replacements made by the skilled in the art within the technical solution range of the utility model also belong to the protection range of the utility model.

Claims

1. A FPC protection structure for a power battery CCS, comprising an isolation plate (1), an aluminum bar (3) is installed on the isolation plate (1), characterized in that: The isolation plate (1) is further provided with an FPC assembly (2), and the FPC assembly (2) is covered by a protection plate (4) from above. A plurality of connecting blocks (42) are arranged on the two outer sides of the protection plate (4) at intervals, and a supporting column (41) is arranged between the two connecting blocks (42), and an inserting column (43) is formed on the side of the connecting block (42) away from the FPC assembly. A through hole (11) is formed in the isolation plate (1) and matched with the inserting column, and the inserting column (43) is matched and tightly connected in the through hole.

2. The FPC protection structure for use on a power cell CCS of claim 1, wherein: An elongated slot (45) is formed in the center of the protection plate (4), and a plurality of supporting blocks are symmetrically formed on the two sides of the elongated slot (45), and the supporting blocks are one-to-one corresponding to the supporting columns (41) and the connecting blocks (42).

3. The FPC protection structure for use on a power cell CCS of claim 1, wherein: The connecting blocks (42) on the two outer sides of the protection plate (4) are staggered, the center of the outer side of the connecting block (42) is vertically downwardly formed with an inserting column (43), the end of the inserting column (43) is horizontally bent and extended to form a clamping block (44).

4. The FPC protection structure for use on a power cell CCS of claim 1, wherein: The connecting block (42) and the supporting column (41) are horizontally extended outward along the outer side of the protection plate, and the bottom surface of the connecting block (42) and the supporting column (41) is formed with a groove.

5. The FPC protection structure for use on a power cell CCS of claim 3, wherein: The connecting block (42) is connected with the isolation plate (1) through the clamping block (44).

6. The FPC protection structure for use on a power cell CCS of claim 1, wherein: The supporting column (41) and the connecting block (42) are equally spaced, and the bottom surface of the supporting column (41), the connecting block (42) and the supporting block is respectively connected with the isolation plate.

7. The FPC protection structure for use on a power cell CCS of claim 2, wherein: The supporting block is horizontally extended outward along the side of the elongated slot.

8. The FPC protection structure for use on a power cell CCS of claim 1, wherein: The protection plate (4) is a plastic protection plate.

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