CN219610536U

CN219610536U - FPC device of soft package module

Info

Publication number: CN219610536U
Application number: CN202320529182.6U
Authority: CN
Inventors: 唐先念
Original assignee: Huading Guolian Sichuan Power Battery Co ltd
Current assignee: Huading Guolian Sichuan Power Battery Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-29
Anticipated expiration: 2033-03-17

Abstract

In the FPC device of the soft package module, an I-shaped FPC is provided with a middle section and a pair of wing sections which are arranged at two ends of the middle section and extend perpendicular to the middle section, and one side of each wing section far away from the middle section is provided with a plurality of extending strips perpendicular to the wing sections; at least one NTC is arranged in the intermediate section; the limiting holes are arranged on the extending strips and are in limiting fit with limiting columns of the battery cell module; the plug connector is arranged on one side of the wing section far away from the middle section; the arch structure is parallel to the middle section, is arranged on the upper surface of the wing section, is provided with a plurality of nickel plates, is arranged on the extension strip and is fixedly connected with the copper bar; the plurality of adhesive layers are arranged on the lower surface of the I-shaped FPC; the support is connected with the plug connector to be assembled on the battery cell module, the locating hole is connected with the locating pin of the battery cell module, the installation hole of the battery cell module is buckled by the installation buckle, and the plug connector is located by the locating boss. The FPC device is accurate in measurement and stable in installation.

Description

FPC device of soft package module

Technical Field

The utility model relates to the technical field of battery packs, in particular to an FPC device of a soft package module.

Background

The battery pack is an important component of a new energy technology, energy and power are provided for storage of a new energy automobile, the FPC is used as an important component in the battery pack, the function of collecting current and voltage is achieved, the temperature sensor arranged on the FPC can detect the surface temperature of the battery cell at any time, the irreplaceable function is achieved on the service life of the battery cell, the battery cell in the battery pack is always the highest in temperature in the middle of the battery cell, and the NTC arrangement position is placed in the middle of the battery cell so as to truly collect the temperature of the battery cell. The FPC of the large square module in the prior art is designed into a square shape to effectively cover each battery cell, but the FPC cannot integrate NTC so that the NTC is arranged in the middle of the battery cells to effectively collect the highest temperature of the battery cells.

The above information disclosed in the background section is only for enhancement of understanding of the background of the utility model and therefore may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to provide an FPC device of a soft package module, which overcomes the defects, can integrate NTC to accurately acquire the highest temperature of a current core and has stable installation of an FPC compression connector.

In order to achieve the above object, the present utility model provides the following technical solutions:

the FPC device of the soft package module comprises:

the I-shaped FPC is provided with a middle section and a pair of wing sections which are arranged at two ends of the middle section and extend perpendicular to the middle section, and a plurality of extending strips perpendicular to the wing sections are arranged on one side of the wing sections away from the middle section;

at least one NTC arranged at the intermediate section;

the limiting holes are arranged on the extension strips and are in limiting fit with limiting columns of the battery cell modules;

the plug connector is arranged on one side of the wing section away from the middle section;

an arch structure provided on an upper surface of the wing section in parallel with the intermediate section;

the nickel sheets are arranged on the extension strips and fixedly connected with the copper bars;

a plurality of glue layers which are arranged on the lower surface of the I-shaped FPC;

a bracket connecting the plug to be assembled to the cell module, the bracket comprising,

a positioning hole connected with the positioning pin of the battery core module,

mounting a buckle, which buckles the mounting hole of the battery cell module,

and the positioning boss is used for positioning the plug connector.

In the FPC device of the soft package module, the support is of an inverted L structure and comprises a horizontal plate and a vertical plate extending downwards from the horizontal plate, the positioning holes and the positioning bosses are distributed in the vertical plate, and the installation buckle is arranged on the horizontal plate.

In the FPC device of the soft package module, the back of the vertical plate is provided with a strip-shaped buckle and a reinforcing boss of the buckle battery cell module, and the strip-shaped buckle is provided with a first reinforcing rib.

In the FPC device of the soft package module, the back of the installation buckle is provided with the second reinforcing rib.

In the FPC device of the soft package module, the adhesive layer is a double-sided adhesive layer.

In the FPC device of the soft package module, the I-shaped FPC is of a symmetrical structure.

In the FPC device of the soft package module, the middle section and the wing sections are of plate-shaped structures.

In the FPC device of the soft package module, the extension strip array is distributed on one side of the wing section far away from the middle section.

In the FPC device of the soft package module, the extension strip is of a horizontal plate-shaped structure.

In the FPC device of the soft package module, the installation buckle is provided with a hook part.

In the FPC device of the soft package module, the FPC device of the soft package module is of a symmetrical structure.

In the technical scheme, the FPC device of the soft package module has the following beneficial effects: according to the PFC device with the NTC device, the NTC is arranged in the middle of the battery cells, the highest temperature of the battery cells is effectively collected, the I-shaped structure can effectively collect the voltages and currents of all groups of battery cells, the defect that the low-voltage connector of the FPC is difficult to arrange is overcome, and the bracket is ingeniously arranged on the battery cell module to provide stable support for the low-voltage connector of the FPC.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic front view of an FPC apparatus of the soft package module according to the present utility model.

Fig. 2 is a schematic diagram of a back structure of an FPC apparatus of the soft package module according to the present utility model.

Fig. 3 is a schematic structural diagram of an assembled copper bar and cell module of the FPC apparatus of the soft package module of the present utility model.

Fig. 4 is a schematic view of a first visual structure of a bracket of a connector of an FPC apparatus of the soft package module according to the present utility model.

Fig. 5 is a schematic view of a second visual structure of a bracket of a connector of an FPC apparatus of the soft package module according to the present utility model.

Fig. 6 is a schematic view of a third visual structure of a bracket of a connector of an FPC apparatus of the soft package module according to the present utility model.

Fig. 7 is a schematic diagram of an installation structure of a bracket and a cell module a of the FPC apparatus of the soft package module of the present utility model.

Fig. 8 is a schematic cross-sectional view of the flexible package module according to the present utility model after the mounting of the support and the cell module a.

Fig. 9 is a schematic structural diagram of a module B of the FPC apparatus of the soft package module after installation.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-9, in one embodiment, an FPC device of the present utility model includes,

an I-shaped FPC3 which is provided with a middle section and a pair of wing sections which are arranged at two ends of the middle section and extend perpendicular to the middle section, wherein one side of each wing section far away from the middle section is provided with a plurality of extending strips perpendicular to the wing sections;

at least one NTC3-3 arranged in the intermediate section;

the limiting holes 3-2 are arranged on the extension strips and are in limiting fit with the limiting columns 1-3 of the battery cell modules;

the plug connector 3-1 is arranged on one side of the wing section away from the middle section;

an arch 3-4 provided on the upper surface of the wing section parallel to the intermediate section;

the nickel plates 3-5 are arranged on the extension strips and fixedly connected with the copper bars;

a plurality of glue layers 3-6 which are arranged on the lower surface of the I-shaped FPC 3;

a holder 4 to which the plug 3-1 is connected to be assembled to the battery cell module, the holder 4 including,

a positioning hole 4-1 which is connected with the positioning pin 1-1 of the cell module,

a mounting buckle 4-2 which buckles the mounting hole 1-2 of the cell module,

a positioning boss 4-3 which positions the plug 3-1.

In the FPC device of the soft package module, the support 4 is of an inverted L structure and comprises a horizontal plate and a vertical plate extending downwards from the horizontal plate, the positioning holes 4-1 and the positioning bosses 4-3 are distributed on the vertical plate, and the mounting buckles 4-2 are arranged on the horizontal plate.

In the FPC device of the soft package module, the back of the vertical plate is provided with a strip-shaped buckle 4-5 for buckling the battery cell module and a reinforcing boss 4-7, and the strip-shaped buckle 4-5 is provided with a first reinforcing rib 4-6.

In the FPC device of the soft package module, the back of the installation buckle 4-2 is provided with the second reinforcing rib 4-4.

In the FPC device of the soft package module, the adhesive layers 3-6 are double-sided adhesive layers.

In the flexible package module FPC device, the I-shaped FPC3 is of a symmetrical structure.

In the flexible package module FPC device, the mounting buckle 4-2 is provided with a hook part.

In one embodiment, the FPC device of the soft package module comprises a support 4 of the FPC connector, a positioning hole 4-1 is designed on the support 4, and the pre-installation of the positioning hole 4-1 and a positioning pin 1-1 on the cell module 1 is realized; further, 2 mounting buckles 4-2 are further designed on the support 4, and second reinforcing ribs 4-4 are arranged on the back of the mounting buckles 4-2, so that the strength of the mounting position is improved; the clamping connection with the two mounting holes 1-2 on the cell module 1 is realized through the mounting buckle, further, a strip-shaped buckle 4-5 is designed at the lower part of the mounting bracket 4, the strip-shaped buckle 4-5 is connected with the connecting piece 1-4 on the cell module 1, and further, in order to prevent the strip-shaped buckle 4-5 from rebounding, a first reinforcing rib 4-6 is arranged at the back of the strip-shaped buckle, so that the strength of the strip-shaped buckle is increased, and meanwhile, the strip-shaped buckle is prevented from deforming and rebounding; thus, the bracket 4 and the module A are installed and fixed to form a module B; FIG. 8 is a cross-sectional view of c-c on module B; in order to strengthen the intensity of the bracket 4, the utility model is also provided with a strengthening boss 4-7; further, in order to facilitate the smooth installation of the plug connector on the subsequent FPC, a preset boss 4-3 is designed on the bracket 4, so as to realize the positioning of the plug connector 3-1 on the subsequent I-shaped FPC 3.

In one embodiment, as shown in fig. 1, an NTC3-3 is arranged in the middle of the i-shaped FPC3 and is used for acquiring the real temperature of the current core, further, limit holes 3-2 are designed on two sides of the i-shaped FPC3 and are used for limiting the limit posts 1-3 on the cell module 1, further, in order to prevent the subsequent cell expansion force from tearing the FPC, an arch structure 3-4 is designed on the PFC and prevent the subsequent damage to the FPC; furthermore, for truly collecting the current and voltage of the current core, nickel sheets 3-5 are designed among each group number and are fixedly connected with the copper bars 2 in a welding mode; further, double-sided adhesive tape 3-6 is designed on the back of the I-shaped FPC3 and is directly adhered to the battery cell module B to form a module D.

Finally, it should be noted that: the described embodiments are intended to be illustrative of only some, but not all, of the embodiments of the present utility model and, based on the embodiments herein, all other embodiments that may be made by those skilled in the art without the benefit of the present disclosure are intended to be within the scope of the present utility model.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a flexible package module's FPC device which characterized in that, it includes:

at least one NTC arranged at the intermediate section;

mounting a buckle, which buckles the mounting hole of the battery cell module,

and the positioning boss is used for positioning the plug connector.

2. The Flexible Printed Circuit (FPC) device of claim 1, wherein the bracket has an inverted-L structure and comprises a horizontal plate and a vertical plate extending vertically downward from the horizontal plate, the positioning holes and the positioning bosses are distributed on the vertical plate, and the mounting buckle is arranged on the horizontal plate.

3. The flexible printed circuit board (FPC) device of claim 2, wherein the back of the vertical plate is provided with a strip-shaped buckle and a reinforcing boss for buckling the battery cell module, and the strip-shaped buckle is provided with a first reinforcing rib.

4. The flexible printed circuit board (FPC) device of claim 1, wherein the back of the mounting buckle is provided with a second reinforcing rib.

5. The flexible printed circuit board (FPC) device of claim 1, wherein said adhesive layer is a double sided adhesive layer.

6. The flexible package module FPC device of claim 1, wherein said i-shaped FPC is of symmetrical configuration.

7. The flexible printed circuit board (FPC) device of claim 1, wherein said middle section and said wing sections are each of a plate-like structure.

8. The flexible printed circuit board (FPC) device of claim 1, wherein the array of extension strips is disposed on a side of the wing section away from the middle section.

9. The flexible printed circuit board (FPC) device of claim 1, wherein said extension bar has a horizontal plate-like structure.

10. The flexible printed circuit board (FPC) device of claim 1, wherein the mounting clip has a hook portion.