CN220382446U - Flat cable connection structure and battery acquisition module - Google Patents

Abstract

The application provides a flat cable connection structure and a battery acquisition module, wherein the flat cable connection structure comprises an FFC flat cable, a transfer PCB and independent branches; the FFC flat cable comprises at least two connecting branches, the connecting branches extend along the length direction of the FFC flat cable, any one of the switching PCB is connected with one connecting branch and one independent branch, and the connecting branches and the independent branches form electric connection. In this application, through setting up to connect the branch with the switching PCB board of independent branch, so that connect the branch with independent branch forms the electricity and is connected, wherein, through setting up independent branch with the angle of connection of switching PCB board, can make connect the branch under the condition of not taking place to buckle, realize turning to and connect, thereby avoid insulating film and conductor on the FFC winding displacement receive the destruction because of bending, and then the extension FFC winding displacement and whole equipment's life.

Description

Flat cable connection structure and battery acquisition module

Technical Field

The application relates to the technical field of battery collection structures, in particular to a flat cable connection structure and a battery collection module.

Background

FFC is flexible flat cable, produces and is the straight state, when applying to the battery module, need buckle the branch of connecting to corresponding acquisition point through the mode of physically bending and weld, wherein, the mode that the branch of connecting was buckled can refer to FIG. 1, this kind of bending fashioned mode must lead to the fact deformation and damage to the branch of connecting, insulating film and the conductor of department of bending receive certain destruction, can produce certain influence and irreversible damage to FFC winding displacement's life and performance, also brought the adhesive film and the conductor fracture etc. bad risk for long-term use of product. In addition, the mode of connecting the branches on the FFC flat cable is low in production efficiency, high in labor cost and poor in consistency.

Therefore, it is necessary to provide a flat cable connection structure and a battery collection module, so as to avoid the need of bending branches on the FFC for connection.

Disclosure of Invention

In view of the above-mentioned shortcomings in the prior art, an object of the present utility model is to provide a flat cable connection structure and a battery collection module, so as to avoid the need of bending branches on an FFC for connection.

According to an embodiment of the present utility model, there is provided a first aspect of: the flat cable connection structure comprises an FFC flat cable, a transfer PCB and independent branches; the FFC flat cable comprises at least two connecting branches, wherein the connecting branches extend along the length direction of the FFC flat cable, one of the switching PCB is connected with one connecting branch and one independent branch, and the connecting branches and the independent branches form electric connection.

In a further aspect, the length direction of the independent branch is perpendicular to the length direction of the connecting branch.

In a further scheme, the connecting branch and the independent branch are welded with the adapting PCB.

In a further scheme, the transfer PCB comprises a first bonding pad and a second bonding pad, a first golden finger is arranged at the extending end of the connecting branch, the first golden finger is welded to the first bonding pad, a second golden finger is arranged at the connecting end of the independent branch and the transfer PCB, and the second golden finger is welded to the second bonding pad.

In a further scheme, the first bonding pad and the second bonding pad are positioned on the same board surface of the transfer PCB.

In a further scheme, the independent branch further comprises a third golden finger, and the third golden finger is located at one end, away from the second golden finger, of the independent branch.

In a further aspect, a plurality of the connection branches are arranged in a stepwise manner on the FFC flat cable.

In a further aspect, the length and width of each of the connection branches are the same.

On the other hand, the utility model also provides a battery acquisition module which comprises the flat cable connecting structure in any one of the schemes.

The utility model has the following beneficial effects:

through setting up the switching PCB board of connecting branch and independent branch to make connecting branch and independent branch form the electricity and be connected, wherein, through setting up the angle of connection of independent branch and switching PCB board, can make the connection branch on the FFC winding displacement realize turning to the connection under the condition of not taking place to buckle, thereby avoid insulating film and conductor on the FFC winding displacement to receive the destruction because of bending, and then extension FFC winding displacement and whole equipment's life.

Drawings

FIG. 1 is a schematic diagram of a prior art FFC flat cable for bending connection branches;

FIG. 2 is a schematic diagram of a flat cable connection structure according to an embodiment of the utility model;

fig. 3 is an enlarged view at a in fig. 2.

Reference numerals: 10. FFC flat cable; 11. a connection branch; 111. a first golden finger; 20. switching the PCB; 21. a first bonding pad; 22. a second bonding pad; 30. an independent branch; 31. a second golden finger; 32. a third golden finger;

Detailed Description

In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It is noted that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "are used to refer to the terms" length "," width "," upper "," lower "," front "," rear "," left "," right "," vertical "," and "lower".

The orientation or positional relationship indicated by horizontal "," vertical "," top "," bottom "," inner "," outer ", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and to simplify the description, and are not indicative or implying that the apparatus or components referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

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 application, the meaning of "a plurality" or "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Referring to fig. 1, fig. 1 is a schematic diagram of bending a connection branch 11 on an FFC flat cable 10 in the prior art, and the bending forming method inevitably causes deformation and damage to the connection branch 11 on the FFC flat cable 10, and the insulation film and the conductor at the bending position are damaged to a certain extent, so that the service life and performance of the FFC flat cable 10 are affected to a certain extent and damaged irreversibly, and bad risks such as adhesive film and conductor breakage are brought to long-term use of the product.

Referring to fig. 2 and 3, in order to avoid bending the connection branch 11 when the FFC flat cable 10 is connected, an embodiment of the present utility model provides a flat cable connection structure, which includes the FFC flat cable 10, the adapting PCB 20, and the independent branch 30. The FFC flat cable 10 includes at least two connection branches 11, the connection branches 11 extend along the length direction of the FFC flat cable 10, the number 0 of the adapting PCB boards 2 and the number of the independent branches 30 are not less than the number of the connection branches 11, preferably, the number of the adapting PCB boards 20 and the number of the independent branches 30 correspond to the number of the connection branches 11, wherein any adapting PCB board 20 connects one connection branch 11 with one independent branch 30, and the connection branches 11 and the independent branches 30 form an electrical connection.

In a preferred embodiment, referring to fig. 2, the length direction of the independent branch 30 is perpendicular to the length direction of the connecting branch 11, and in this embodiment, the connecting branch 11 can be used without bending instead of the use scenario that requires bending by 90 ° in the prior art.

Of course, in some other embodiments, the fixing angle of the independent branch 30 and the adapting PCB 20 can be adjusted according to the actual requirement.

In a preferred embodiment, the connecting branch 11 and the independent branch 30 are fixed together with the adapting PCB board 20 by soldering.

Specifically, referring to fig. 3, the transfer PCB 20 includes a first bonding pad 21 and a second bonding pad 22, a first gold finger 111 is disposed at an extension end of the connection branch 11, the first gold finger 111 is welded to the first bonding pad 21, a second gold finger 31 is disposed at a connection end of the independent branch 30 and the transfer PCB 20, and the second gold finger 31 is welded to the second bonding pad 22.

Specifically, the first bonding pad 21 and the second bonding pad 22 are located on the same board surface of the interposer PCB 20.

In a preferred embodiment, the independent branch 30 further includes a third gold finger 32, the third gold finger 32 is located at an end of the independent branch 30 facing away from the second gold finger 31, and the third gold finger 32 is used for making electrical connection with other components.

In a preferred embodiment, to solve the problems of low production efficiency, high labor cost, and poor consistency in manually handling the FFC flat cable 10 in the prior art, the flat cable connection structure may be manufactured using an automated solder device.

Preferably, in order to facilitate setting of coordinate parameters and performing soldering work in a process of an automated soldering apparatus, referring to fig. 2, a plurality of connection branches 11 may be regularly arranged on the FFC flat cable 10. Specifically, the plurality of connection branches 11 are arranged in a step shape on the FFC flat cable 10, wherein the length and width of each connection branch 11 are the same, and each first golden finger 111 may be set to a uniform specification.

Of course, it can be understood that, based on the concept of switching the connecting branches 11 and the independent branches 30 of the switching PCB 20, the arrangement design of the connecting branches 11 may have various shapes besides the above steps, and the lengths and the pitches of the connecting branches 11 may be designed according to practical requirements, which is not limited herein.

An embodiment of the present utility model further provides a battery collection module (CCS), where the battery collection module (CCS) includes the flat cable connection structure in any one of the above embodiments. The battery collection module (CCS) may be understood as a collection module of the cell voltage and the cell temperature, and outputs temperature and voltage information to a BMU (battery management unit) through a flat cable connection structure including the FFC flat cable 10, so that the BMU monitors the cells in real time.

Therefore, through setting up the switching PCB board 20 of connecting branch 11 and independent branch 30 to make connecting branch 11 and independent branch 30 form the electricity to be connected, wherein, through setting up the angle of connection of independent branch 30 and switching PCB board 20, can make the connecting branch 11 on FFC winding displacement 10 realize turning to the connection under the condition that does not take place to buckle, thereby avoid insulating film and conductor on the FFC winding displacement 10 to receive the destruction because of bending, and then extension FFC winding displacement 10 and whole equipment's life.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. The flat cable connection structure is characterized by comprising an FFC flat cable, a transfer PCB and independent branches; the FFC flat cable comprises at least two connecting branches, wherein the connecting branches extend along the length direction of the FFC flat cable, one of the switching PCB is connected with one connecting branch and one independent branch, and the connecting branches and the independent branches form electric connection.

2. The flat cable connection structure according to claim 1, wherein a length direction of the independent branch is perpendicular to a length direction of the connection branch.

3. The flat cable connection structure according to claim 1, wherein the connection branch and the independent branch are welded to the transfer PCB.

4. The flat cable connection structure according to claim 3, wherein the transfer PCB comprises a first bonding pad and a second bonding pad, a first golden finger is arranged at an extension end of the connection branch, the first golden finger is welded to the first bonding pad, a second golden finger is arranged at a connection end of the independent branch and the transfer PCB, and the second golden finger is welded to the second bonding pad.

5. The flat cable connection structure according to claim 4, wherein the first bonding pad and the second bonding pad are located on a same board surface of the transfer PCB.

6. The flat cable connection structure according to claim 4, wherein the independent branch further comprises a third golden finger, and the third golden finger is located at an end of the independent branch facing away from the second golden finger.

7. The flat cable connection structure according to any one of claims 1 to 6, wherein a plurality of the connection branches are arranged in a stepwise manner on the FFC flat cable.

8. The flat cable connection structure according to claim 7, wherein each of the connection branches has the same length and width.

9. A battery harvesting module comprising a flat cable connection structure according to any one of claims 1-8.